IGOR WAVES/D StartDateTime Duration LAT LONGT subMSA supMSA subCl supCl subBr supBr subNO3 supNO3 subSO4 supSO4 subnssSO4 supnssSO4 subOxalate supOxalate BEGIN 3288814845 39990 41.10968 -73.16056 NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN 3288862112 31200 40.99812 -73.45270 0.000 0.000 0.093 0.470 0.000 0.000 0.015 0.013 1.192 0.087 1.169 0.000 0.000 0.000 3288907500 33720 40.98068 -73.33315 NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN 3288950940 18660 41.02867 -73.31842 0.000 0.000 0.112 0.263 0.000 0.000 0.073 0.029 1.712 0.040 1.674 0.000 0.008 0.008 3289056420 57360 42.39382 -65.44318 0.000 0.000 0.407 4.908 0.002 0.011 0.069 0.275 0.802 0.619 0.720 0.000 0.006 0.006 3289120800 31800 43.03574 -61.50759 NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN 3289206780 32340 44.03978 -54.82848 0.000 0.000 0.395 4.017 0.000 0.000 0.058 0.273 0.491 0.498 0.413 0.000 0.005 0.005 3289244340 36540 44.41953 -51.76214 0.017 0.000 0.910 6.223 0.000 0.000 0.061 0.322 1.267 0.823 1.104 0.000 0.013 0.013 3289286400 35280 44.81162 -48.88311 0.005 0.000 0.808 3.552 0.000 0.008 0.040 0.055 0.567 0.393 0.421 0.000 0.005 0.005 3289326420 82320 46.49441 -44.67231 0.000 0.000 0.581 4.943 0.002 0.014 0.020 0.013 0.100 0.566 0.000 0.000 0.001 0.001 3289413180 74220 48.98467 -40.37952 0.002 0.000 0.433 4.036 0.001 0.009 0.014 0.030 0.344 0.489 0.277 0.000 0.002 0.002 3289492500 78060 51.91118 -35.43904 0.000 0.000 0.494 5.053 0.002 0.012 0.022 0.065 0.817 0.586 0.731 0.000 0.005 0.005 3289575660 78840 54.93598 -29.88145 0.002 0.000 1.038 9.332 0.000 0.025 0.027 0.026 0.261 1.335 0.095 0.000 0.000 0.000 3289659360 79020 56.88369 -26.17340 0.007 0.000 0.636 4.174 0.000 0.010 0.031 0.055 0.420 0.435 0.314 0.000 0.004 0.004 3289743120 83940 59.92114 -19.81546 0.009 0.000 0.372 2.536 0.000 0.000 0.022 0.058 0.252 0.322 0.176 0.000 0.002 0.002 3289831620 78300 62.24533 -14.51065 0.004 0.000 0.816 7.548 0.003 0.020 0.021 0.042 0.412 0.826 0.281 0.000 0.002 0.002 3289914600 82500 63.57591 -11.33008 0.008 0.000 0.694 6.584 0.002 0.015 0.017 0.047 0.813 0.753 0.692 0.000 0.004 0.004 3290003700 46980 65.09546 -5.35086 0.011 0.000 0.612 6.448 0.002 0.017 0.018 0.057 0.575 0.708 0.467 0.000 0.006 0.006 3290054880 34260 66.40592 -0.58061 0.019 0.000 0.397 2.105 0.000 0.004 0.022 0.050 0.521 0.259 0.445 0.000 0.005 0.005 3290093160 42420 67.46493 4.27528 0.015 0.000 0.222 1.845 0.000 0.005 0.014 0.051 0.427 0.223 0.381 0.000 0.003 0.003 3290140260 34860 68.44750 9.00379 0.018 0.000 0.383 3.067 0.000 0.007 0.038 0.181 0.751 0.363 0.675 0.000 0.005 0.005 3290179560 42600 69.53576 14.40346 0.014 0.000 0.428 3.307 0.000 0.008 0.037 0.177 1.219 0.412 1.127 0.000 0.009 0.009 3290227020 34080 70.41009 17.27277 0.006 0.000 0.610 4.866 0.000 0.014 0.033 0.157 1.278 0.569 1.207 0.166 0.015 0.015 3290265060 44280 70.53609 18.41663 0.002 0.000 0.924 4.897 0.005 0.013 0.018 0.020 0.670 0.576 0.517 0.000 0.006 0.006 3290316558 30762 70.49917 18.99966 0.002 0.000 0.381 3.285 0.005 0.008 0.009 0.015 0.878 0.399 0.794 0.000 0.007 0.007 3290352137 39732 70.86470 22.32839 0.001 0.000 0.523 2.053 0.000 0.005 0.010 0.011 0.401 0.239 0.308 0.000 0.000 0.000 3290399820 34500 71.23110 25.12695 0.012 0.001 0.000 0.000 0.269 0.838 0.015 0.015 0.558 0.108 0.508 0.000 0.007 0.007 3290438700 38820 71.23974 28.26154 0.014 0.000 0.218 1.108 0.000 0.016 0.032 0.049 1.569 0.156 1.510 0.000 0.010 0.010 3290482500 34800 70.36384 31.45766 0.010 0.000 0.184 1.041 0.000 0.000 0.052 0.065 1.303 0.129 1.261 0.000 0.026 0.026 3290522340 34020 69.92410 30.32826 0.012 0.000 0.272 1.933 0.000 0.000 0.059 0.137 1.303 0.289 1.239 0.000 0.022 0.022 3290570280 25560 70.97033 29.67792 0.003 0.000 0.559 1.521 0.006 0.005 0.029 0.014 1.662 0.223 1.537 0.000 0.012 0.012 3290614380 36000 70.87863 21.40424 0.011 0.000 0.442 1.417 0.000 0.000 0.035 0.016 1.512 0.206 1.413 0.000 0.021 0.021 3290657340 20520 70.27090 17.64024 0.013 0.000 0.390 1.166 0.000 0.000 0.029 0.020 1.382 0.170 1.289 0.000 0.012 0.012 3290743680 32820 70.80998 20.77659 0.026 0.003 0.102 0.230 0.000 0.000 0.084 0.122 1.401 0.079 1.373 0.034 0.014 0.014 3290953740 42360 72.27239 16.50654 0.020 0.000 0.046 0.107 0.000 0.000 0.027 0.049 1.218 0.072 1.207 0.048 0.008 0.008 3291000000 36240 74.54748 12.62466 0.006 0.000 0.150 0.282 0.000 0.000 0.038 0.039 0.894 0.069 0.863 0.016 0.005 0.005 3291039900 44040 76.76653 9.85129 0.007 0.000 0.331 1.457 0.002 0.000 0.024 0.024 0.680 0.174 0.615 0.000 0.004 0.004 3291088320 33720 79.03885 8.82781 0.004 0.000 0.179 1.064 0.000 0.000 0.024 0.023 0.819 0.145 0.782 0.000 0.007 0.007 3291125940 43530 80.20908 11.08882 0.004 0.000 0.092 0.205 0.003 0.000 0.043 0.018 1.146 0.046 1.113 0.008 0.011 0.011 3291173940 34440 80.09409 11.24362 0.000 0.000 0.001 0.000 0.000 0.000 0.000 0.000 0.336 0.007 0.344 0.025 0.000 0.000 3291226680 32580 79.03014 11.37904 0.013 0.000 0.357 0.611 0.004 0.000 0.050 0.024 1.109 0.093 1.034 0.000 0.017 0.017 3291263880 35760 79.02975 11.38919 0.008 0.000 0.329 1.122 0.003 0.000 0.036 0.039 1.213 0.114 1.138 0.000 0.009 0.009 3291303600 41820 78.16183 4.20082 0.010 0.000 0.412 1.789 0.003 0.003 0.040 0.055 0.995 0.156 0.914 0.000 0.011 0.011 3291378120 53760 76.34704 -2.42478 0.009 0.000 0.245 0.171 0.000 0.000 0.077 0.032 1.023 0.048 0.968 0.015 0.013 0.013 3291435540 35880 75.65462 -2.89311 0.011 0.000 0.055 0.086 0.002 0.000 0.049 0.048 0.858 0.041 0.842 0.018 0.011 0.011 3291475140 49860 73.56340 -6.81856 0.006 0.000 0.073 0.613 0.000 0.000 0.010 0.026 0.224 0.096 0.209 0.005 0.003 0.003 3291531660 26160 70.95467 -7.80474 0.010 0.000 0.147 0.314 0.000 0.000 0.021 0.026 0.295 0.055 0.272 0.003 0.006 0.006 3291561480 43380 70.23685 -13.39988 0.008 0.000 0.044 0.037 0.000 0.000 0.020 0.015 0.224 0.013 0.215 0.006 0.005 0.005 3291608640 35100 69.88191 -16.26266 0.006 0.000 0.066 0.019 0.000 0.000 0.015 0.012 0.202 0.013 0.192 0.013 0.005 0.005 3291647700 43560 67.95429 -14.17951 0.034 0.002 0.681 4.944 0.000 0.004 0.064 0.668 1.618 0.661 1.495 0.000 0.021 0.021 3291696180 34620 65.58756 -12.62950 0.021 0.002 0.330 3.987 0.000 0.000 0.028 0.168 0.311 0.483 0.249 0.000 0.006 0.006 3291798900 19560 63.23890 -20.59021 0.095 0.002 0.487 12.045 0.000 0.024 0.192 1.538 1.805 1.337 1.685 0.000 0.000 0.000 END X SetScale/P x 0,1,"", StartDateTime; SetScale y 0,0,"dat", StartDateTime X Note StartDateTime, "ACF_PROJECT:ICEALOT;ACF_PLATFORM:KNORR;ACF_DATA_TYPE:TIMESERIES-1D;ACF_VERSION:0;ACF_SUBMIT_DATE:05-NOV-2008;ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov" X SetScale/P x 0,1,"", Duration; SetScale y 0,0,"seconds", Duration X Note Duration, "ACF_PROJECT:ICEALOT;ACF_PLATFORM:KNORR;ACF_DATA_TYPE:TIMESERIES-1D;ACF_VERSION:0;ACF_SUBMIT_DATE:05-NOV-2008;ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov" X SetScale/P x 0,1,"", LAT; SetScale y 0,0,"Deg", LAT X Note/NOCR LAT, "ACF_PROJECT:ICEALOT;" X Note/NOCR LAT, "ACF_PLATFORM:KNORR;" X Note/NOCR LAT, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR LAT, "ACF_VERSION:0;" X Note/NOCR LAT, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR LAT, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR LAT, "ACF_LEGAL_MIN:-90;" X Note/NOCR LAT, "ACF_LEGAL_MAX:90;" X Note/NOCR LAT, "ACF_UNITS:Deg;" X Note/NOCR LAT, "ACF_INSTRUMENT:GPS;" X Note/NOCR LAT, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR LAT, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR LAT, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR LAT, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR LAT, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR LAT, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR LAT, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR LAT, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR LAT, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR LAT, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR LAT, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR LAT, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR LAT, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR LAT, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR LAT, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR LAT, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR LAT, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR LAT, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR LAT, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR LAT, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", LONGT; SetScale y 0,0,"Deg", LONGT X Note/NOCR LONGT, "ACF_PROJECT:ICEALOT;" X Note/NOCR LONGT, "ACF_PLATFORM:KNORR;" X Note/NOCR LONGT, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR LONGT, "ACF_VERSION:0;" X Note/NOCR LONGT, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR LONGT, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR LONGT, "ACF_LEGAL_MIN:-180;" X Note/NOCR LONGT, "ACF_LEGAL_MAX:360;" X Note/NOCR LONGT, "ACF_UNITS:Deg;" X Note/NOCR LONGT, "ACF_INSTRUMENT:GPS;" X Note/NOCR LONGT, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR LONGT, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR LONGT, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR LONGT, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR LONGT, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR LONGT, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR LONGT, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR LONGT, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR LONGT, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR LONGT, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR LONGT, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR LONGT, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR LONGT, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR LONGT, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR LONGT, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR LONGT, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR LONGT, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR LONGT, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR LONGT, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR LONGT, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subMSA; SetScale y 0,0,"ug/m3", subMSA X Note/NOCR subMSA, "ACF_PROJECT:ICEALOT;" X Note/NOCR subMSA, "ACF_PLATFORM:KNORR;" X Note/NOCR subMSA, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subMSA, "ACF_VERSION:0;" X Note/NOCR subMSA, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subMSA, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subMSA, "ACF_LEGAL_MIN:0;" X Note/NOCR subMSA, "ACF_LEGAL_MAX:50;" X Note/NOCR subMSA, "ACF_UNITS:ug/m3;" X Note/NOCR subMSA, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subMSA, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR subMSA, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR subMSA, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR subMSA, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR subMSA, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR subMSA, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR subMSA, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR subMSA, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR subMSA, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR subMSA, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subMSA, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subMSA, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subMSA, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subMSA, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subMSA, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subMSA, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subMSA, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subMSA, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subMSA, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subMSA, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supMSA; SetScale y 0,0,"ug/m3", supMSA X Note/NOCR supMSA, "ACF_PROJECT:ICEALOT;" X Note/NOCR supMSA, "ACF_PLATFORM:KNORR;" X Note/NOCR supMSA, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supMSA, "ACF_VERSION:0;" X Note/NOCR supMSA, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supMSA, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supMSA, "ACF_LEGAL_MIN:0;" X Note/NOCR supMSA, "ACF_LEGAL_MAX:50;" X Note/NOCR supMSA, "ACF_UNITS:ug/m3;" X Note/NOCR supMSA, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supMSA, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR supMSA, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR supMSA, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR supMSA, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR supMSA, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR supMSA, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR supMSA, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR supMSA, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR supMSA, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR supMSA, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supMSA, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supMSA, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supMSA, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supMSA, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supMSA, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supMSA, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supMSA, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supMSA, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supMSA, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supMSA, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subCl; SetScale y 0,0,"ug/m3", subCl X Note/NOCR subCl, "ACF_PROJECT:ICEALOT;" X Note/NOCR subCl, "ACF_PLATFORM:KNORR;" X Note/NOCR subCl, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subCl, "ACF_VERSION:0;" X Note/NOCR subCl, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subCl, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subCl, "ACF_LEGAL_MIN:0;" X Note/NOCR subCl, "ACF_LEGAL_MAX:50;" X Note/NOCR subCl, "ACF_UNITS:ug/m3;" X Note/NOCR subCl, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subCl, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR subCl, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR subCl, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR subCl, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR subCl, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR subCl, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR subCl, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR subCl, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR subCl, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR subCl, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subCl, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subCl, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subCl, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subCl, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subCl, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subCl, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subCl, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subCl, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subCl, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subCl, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supCl; SetScale y 0,0,"ug/m3", supCl X Note/NOCR supCl, "ACF_PROJECT:ICEALOT;" X Note/NOCR supCl, "ACF_PLATFORM:KNORR;" X Note/NOCR supCl, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supCl, "ACF_VERSION:0;" X Note/NOCR supCl, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supCl, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supCl, "ACF_LEGAL_MIN:0;" X Note/NOCR supCl, "ACF_LEGAL_MAX:50;" X Note/NOCR supCl, "ACF_UNITS:ug/m3;" X Note/NOCR supCl, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supCl, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR supCl, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR supCl, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR supCl, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR supCl, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR supCl, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR supCl, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR supCl, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR supCl, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR supCl, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supCl, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supCl, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supCl, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supCl, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supCl, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supCl, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supCl, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supCl, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supCl, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supCl, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subBr; SetScale y 0,0,"ug/m3", subBr X Note/NOCR subBr, "ACF_PROJECT:ICEALOT;" X Note/NOCR subBr, "ACF_PLATFORM:KNORR;" X Note/NOCR subBr, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subBr, "ACF_VERSION:0;" X Note/NOCR subBr, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subBr, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subBr, "ACF_LEGAL_MIN:0;" X Note/NOCR subBr, "ACF_LEGAL_MAX:50;" X Note/NOCR subBr, "ACF_UNITS:ug/m3;" X Note/NOCR subBr, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subBr, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR subBr, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR subBr, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR subBr, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR subBr, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR subBr, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR subBr, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR subBr, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR subBr, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR subBr, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subBr, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subBr, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subBr, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subBr, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subBr, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subBr, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subBr, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subBr, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subBr, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subBr, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supBr; SetScale y 0,0,"ug/m3", supBr X Note/NOCR supBr, "ACF_PROJECT:ICEALOT;" X Note/NOCR supBr, "ACF_PLATFORM:KNORR;" X Note/NOCR supBr, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supBr, "ACF_VERSION:0;" X Note/NOCR supBr, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supBr, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supBr, "ACF_LEGAL_MIN:0;" X Note/NOCR supBr, "ACF_LEGAL_MAX:50;" X Note/NOCR supBr, "ACF_UNITS:ug/m3;" X Note/NOCR supBr, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supBr, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR supBr, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR supBr, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR supBr, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR supBr, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR supBr, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR supBr, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR supBr, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR supBr, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR supBr, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supBr, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supBr, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supBr, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supBr, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supBr, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supBr, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supBr, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supBr, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supBr, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supBr, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subNO3; SetScale y 0,0,"ug/m3", subNO3 X Note/NOCR subNO3, "ACF_PROJECT:ICEALOT;" X Note/NOCR subNO3, "ACF_PLATFORM:KNORR;" X Note/NOCR subNO3, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subNO3, "ACF_VERSION:0;" X Note/NOCR subNO3, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subNO3, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subNO3, "ACF_LEGAL_MIN:0;" X Note/NOCR subNO3, "ACF_LEGAL_MAX:50;" X Note/NOCR subNO3, "ACF_UNITS:ug/m3;" X Note/NOCR subNO3, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subNO3, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR subNO3, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR subNO3, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR subNO3, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR subNO3, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR subNO3, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR subNO3, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR subNO3, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR subNO3, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR subNO3, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subNO3, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subNO3, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subNO3, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subNO3, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subNO3, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subNO3, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subNO3, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subNO3, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subNO3, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subNO3, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supNO3; SetScale y 0,0,"ug/m3", supNO3 X Note/NOCR supNO3, "ACF_PROJECT:ICEALOT;" X Note/NOCR supNO3, "ACF_PLATFORM:KNORR;" X Note/NOCR supNO3, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supNO3, "ACF_VERSION:0;" X Note/NOCR supNO3, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supNO3, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supNO3, "ACF_LEGAL_MIN:0;" X Note/NOCR supNO3, "ACF_LEGAL_MAX:50;" X Note/NOCR supNO3, "ACF_UNITS:ug/m3;" X Note/NOCR supNO3, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supNO3, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR supNO3, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR supNO3, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR supNO3, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR supNO3, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR supNO3, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR supNO3, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR supNO3, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR supNO3, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR supNO3, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supNO3, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supNO3, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supNO3, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supNO3, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supNO3, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supNO3, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supNO3, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supNO3, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supNO3, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supNO3, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subSO4; SetScale y 0,0,"ug/m3", subSO4 X Note/NOCR subSO4, "ACF_PROJECT:ICEALOT;" X Note/NOCR subSO4, "ACF_PLATFORM:KNORR;" X Note/NOCR subSO4, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subSO4, "ACF_VERSION:0;" X Note/NOCR subSO4, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subSO4, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subSO4, "ACF_LEGAL_MIN:0;" X Note/NOCR subSO4, "ACF_LEGAL_MAX:50;" X Note/NOCR subSO4, "ACF_UNITS:ug/m3;" X Note/NOCR subSO4, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subSO4, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR subSO4, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR subSO4, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR subSO4, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR subSO4, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR subSO4, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR subSO4, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR subSO4, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR subSO4, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR subSO4, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subSO4, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subSO4, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subSO4, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subSO4, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subSO4, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subSO4, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subSO4, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subSO4, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subSO4, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subSO4, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supSO4; SetScale y 0,0,"ug/m3", supSO4 X Note/NOCR supSO4, "ACF_PROJECT:ICEALOT;" X Note/NOCR supSO4, "ACF_PLATFORM:KNORR;" X Note/NOCR supSO4, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supSO4, "ACF_VERSION:0;" X Note/NOCR supSO4, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supSO4, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supSO4, "ACF_LEGAL_MIN:0;" X Note/NOCR supSO4, "ACF_LEGAL_MAX:50;" X Note/NOCR supSO4, "ACF_UNITS:ug/m3;" X Note/NOCR supSO4, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supSO4, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR supSO4, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR supSO4, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR supSO4, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR supSO4, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR supSO4, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR supSO4, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR supSO4, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR supSO4, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR supSO4, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supSO4, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supSO4, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supSO4, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supSO4, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supSO4, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supSO4, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supSO4, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supSO4, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supSO4, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supSO4, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subnssSO4; SetScale y 0,0,"ug/m3", subnssSO4 X Note/NOCR subnssSO4, "ACF_PROJECT:ICEALOT;" X Note/NOCR subnssSO4, "ACF_PLATFORM:KNORR;" X Note/NOCR subnssSO4, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subnssSO4, "ACF_VERSION:0;" X Note/NOCR subnssSO4, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subnssSO4, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subnssSO4, "ACF_LEGAL_MIN:0;" X Note/NOCR subnssSO4, "ACF_LEGAL_MAX:50;" X Note/NOCR subnssSO4, "ACF_UNITS:ug/m3;" X Note/NOCR subnssSO4, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subnssSO4, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR subnssSO4, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR subnssSO4, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR subnssSO4, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR subnssSO4, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR subnssSO4, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR subnssSO4, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR subnssSO4, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR subnssSO4, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR subnssSO4, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subnssSO4, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subnssSO4, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subnssSO4, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subnssSO4, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subnssSO4, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subnssSO4, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subnssSO4, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subnssSO4, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subnssSO4, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subnssSO4, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supnssSO4; SetScale y 0,0,"ug/m3", supnssSO4 X Note/NOCR supnssSO4, "ACF_PROJECT:ICEALOT;" X Note/NOCR supnssSO4, "ACF_PLATFORM:KNORR;" X Note/NOCR supnssSO4, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supnssSO4, "ACF_VERSION:0;" X Note/NOCR supnssSO4, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supnssSO4, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supnssSO4, "ACF_LEGAL_MIN:0;" X Note/NOCR supnssSO4, "ACF_LEGAL_MAX:50;" X Note/NOCR supnssSO4, "ACF_UNITS:ug/m3;" X Note/NOCR supnssSO4, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supnssSO4, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR supnssSO4, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR supnssSO4, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR supnssSO4, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR supnssSO4, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR supnssSO4, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR supnssSO4, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR supnssSO4, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR supnssSO4, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR supnssSO4, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supnssSO4, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supnssSO4, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supnssSO4, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supnssSO4, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supnssSO4, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supnssSO4, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supnssSO4, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supnssSO4, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supnssSO4, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supnssSO4, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subOxalate; SetScale y 0,0,"ug/m3", subOxalate X Note/NOCR subOxalate, "ACF_PROJECT:ICEALOT;" X Note/NOCR subOxalate, "ACF_PLATFORM:KNORR;" X Note/NOCR subOxalate, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subOxalate, "ACF_VERSION:0;" X Note/NOCR subOxalate, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subOxalate, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR subOxalate, "ACF_LEGAL_MIN:0;" X Note/NOCR subOxalate, "ACF_LEGAL_MAX:50;" X Note/NOCR subOxalate, "ACF_UNITS:ug/m3;" X Note/NOCR subOxalate, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subOxalate, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR subOxalate, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR subOxalate, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR subOxalate, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR subOxalate, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR subOxalate, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR subOxalate, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR subOxalate, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR subOxalate, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR subOxalate, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subOxalate, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subOxalate, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subOxalate, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subOxalate, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subOxalate, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subOxalate, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subOxalate, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subOxalate, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subOxalate, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subOxalate, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supOxalate; SetScale y 0,0,"ug/m3", supOxalate X Note/NOCR supOxalate, "ACF_PROJECT:ICEALOT;" X Note/NOCR supOxalate, "ACF_PLATFORM:KNORR;" X Note/NOCR supOxalate, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supOxalate, "ACF_VERSION:0;" X Note/NOCR supOxalate, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supOxalate, "ACF_SOURCE:Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,Seattle,WA 98115 /email: patricia.k.quinn@noaa.gov;" X Note/NOCR supOxalate, "ACF_LEGAL_MIN:0;" X Note/NOCR supOxalate, "ACF_LEGAL_MAX:50;" X Note/NOCR supOxalate, "ACF_UNITS:ug/m3;" X Note/NOCR supOxalate, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supOxalate, "ACF_REMARK: Aerosol Ion Chemistry Data Contact persons: Tim Bates, tim.bates@noaa.gov-- Trish Quinn, patricia.k.quinn@noaa.gov Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air " X Note/NOCR supOxalate, "at <25% RH were (MSA-), oxalate (Ox-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 2 to 23 hours. The RH of the sampled air stream was measured a few inches upstream from the impactor." X Note/NOCR supOxalate, " The 50% aerodynamic cutoff diameters, D50,aero, were 1.1 and 10 um. Submicrometer refers to particles with Daero < 1.1 um at <25% RH and supermicrometer refers to particles with 1.1 um < Daero < 10 u" X Note/NOCR supOxalate, "m at <25% RH. The impaction stage at the inlet of the impactor was coated with silicone grease to prevent the bounce of larger particles onto the downstream stages. Tedlar films were used as the colle" X Note/NOCR supOxalate, "ction substrate in the impaction stage and a Millipore Fluoropore filter (1.0-um pore size) was used for the backup filter. Films were cleaned in an ultrasonic bath in 10% H2O2 for 30 min, rinsed in d" X Note/NOCR supOxalate, "istilled, deionized water, and dried in an NH3- and SO2-free glove box. Filters and films were wetted with 1 mL of spectral grade methanol. An additional 5 mLs of distilled deionized water were added " X Note/NOCR supOxalate, "to the solution and the substrates were extracted by sonicating for 30 min. The extracts were analyzed by ion chromatography [Quinn et al., 1998]. All handling of the substrates was done in the glove " X Note/NOCR supOxalate, "box. Blank levels were determined by loading an impactor with substrates but not drawing any air through it. Non-sea salt sulfate concentrations were calculated from Na+ concentrations and the ratio o" X Note/NOCR supOxalate, "f sulfate to sodium in seawater. Concentrations are reported as ug/m3 at STP (25C and 1 atm). Values below the detection limit are denoted with a -8888, missing data are denoted with a -9999. Berner e" X Note/NOCR supOxalate, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supOxalate, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Anions - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supOxalate, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supOxalate, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supOxalate, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supOxalate, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supOxalate, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supOxalate, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supOxalate, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supOxalate, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supOxalate, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI."