IGOR WAVES/D StartDateTime Duration LAT LONGT subNa supNa subNH4 supNH4 subK supK subMg supMg subCa supCa BEGIN 3288814845 39990 41.10968 -73.16056 NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN 3288862112 31200 40.99812 -73.45270 0.092 0.651 0.351 0.000 0.016 0.023 0.010 0.010 0.016 0.000 3288907500 33720 40.98068 -73.33315 NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN 3288950940 18660 41.02867 -73.31842 0.151 0.207 0.533 0.000 0.028 0.000 0.031 0.031 0.077 0.000 3289056420 57360 42.39382 -65.44318 0.324 2.773 0.231 0.000 0.046 0.137 0.027 0.027 0.039 0.098 3289120800 31800 43.03574 -61.50759 NaN NaN NaN NaN NaN NaN NaN NaN NaN NaN 3289206780 32340 44.03978 -54.82848 0.310 2.510 0.158 0.000 0.031 0.127 0.025 0.025 0.023 0.125 3289244340 36540 44.41953 -51.76214 0.644 3.471 0.312 0.000 0.100 0.165 0.058 0.058 0.028 0.141 3289286400 35280 44.81162 -48.88311 0.579 2.021 0.160 0.000 0.034 0.091 0.046 0.046 0.030 0.070 3289326420 82320 46.49441 -44.67231 0.405 2.635 0.007 0.000 0.018 0.128 0.038 0.038 0.026 0.110 3289413180 74220 48.98467 -40.37952 0.268 2.154 0.083 0.000 0.022 0.111 0.025 0.025 0.017 0.068 3289492500 78060 51.91118 -35.43904 0.341 2.635 0.182 0.000 0.025 0.118 0.032 0.032 0.025 0.094 3289575660 78840 54.93598 -29.88145 0.658 5.437 0.022 0.000 0.029 0.244 0.058 0.058 0.026 0.183 3289659360 79020 56.88369 -26.17340 0.419 2.349 0.100 0.000 0.029 0.108 0.032 0.032 0.022 0.063 3289743120 83940 59.92114 -19.81546 0.304 1.601 0.046 0.000 0.008 0.066 0.025 0.025 0.016 0.048 3289831620 78300 62.24533 -14.51065 0.520 3.907 0.065 0.000 0.035 0.185 0.047 0.047 0.032 0.111 3289914600 82500 63.57591 -11.33008 0.481 3.385 0.133 0.000 0.031 0.159 0.043 0.043 0.027 0.104 3290003700 46980 65.09546 -5.35086 0.427 3.485 0.126 0.000 0.027 0.165 0.041 0.041 0.021 0.113 3290054880 34260 66.40592 -0.58061 0.301 1.237 0.132 0.000 0.019 0.054 0.029 0.029 0.020 0.057 3290093160 42420 67.46493 4.27528 0.180 1.070 0.113 0.000 0.035 0.042 0.019 0.019 0.014 0.040 3290140260 34860 68.44750 9.00379 0.298 1.758 0.150 0.000 0.012 0.082 0.027 0.027 0.034 0.081 3290179560 42600 69.53576 14.40346 0.366 1.874 0.187 0.000 0.028 0.077 0.032 0.032 0.053 0.096 3290227020 34080 70.41009 17.27277 0.282 1.596 0.413 0.000 0.020 0.077 0.029 0.029 0.026 0.131 3290265060 44280 70.53609 18.41663 0.610 2.637 0.102 0.000 0.026 0.126 0.053 0.053 0.039 0.090 3290316558 30762 70.49917 18.99966 0.335 1.819 0.088 0.000 0.025 0.077 0.026 0.026 0.025 0.095 3290352137 39732 70.86470 22.32839 0.370 1.197 0.065 0.000 0.017 0.057 0.023 0.023 0.009 0.065 3290399820 34500 71.23110 25.12695 0.198 0.520 0.046 0.000 0.014 0.014 0.018 0.018 0.032 0.000 3290438700 38820 71.23974 28.26154 0.231 0.702 0.147 0.000 0.020 0.061 0.026 0.026 0.022 0.039 3290482500 34800 70.36384 31.45766 0.170 0.643 0.169 0.000 0.034 0.025 0.022 0.022 0.029 0.034 3290522340 34020 69.92410 30.32826 0.254 1.183 0.204 0.000 0.023 0.058 0.027 0.027 0.024 0.070 3290570280 25560 70.97033 29.67792 0.496 0.922 0.141 0.000 0.054 0.056 0.051 0.051 0.000 0.058 3290614380 36000 70.87863 21.40424 0.392 0.920 0.144 0.000 0.044 0.089 0.047 0.047 0.060 0.074 3290657340 20520 70.27090 17.64024 0.371 0.781 0.161 0.000 0.025 0.027 0.060 0.060 0.024 0.049 3290743680 32820 70.80998 20.77659 0.111 0.175 0.208 0.000 0.026 0.000 0.016 0.016 0.024 0.019 3290953740 42360 72.27239 16.50654 0.043 0.095 0.195 0.015 0.012 0.011 0.007 0.007 0.018 0.012 3291000000 36240 74.54748 12.62466 0.125 0.211 0.146 0.000 0.018 0.000 0.018 0.018 0.015 0.020 3291039900 44040 76.76653 9.85129 0.256 0.821 0.098 0.000 0.019 0.043 0.025 0.025 0.000 0.037 3291088320 33720 79.03885 8.82781 0.149 0.625 0.093 0.000 0.014 0.013 0.031 0.031 0.029 0.019 3291125940 43530 80.20908 11.08882 0.132 0.151 0.083 0.000 0.015 0.011 0.021 0.021 0.021 0.000 3291173940 34440 80.09409 11.24362 0.000 0.000 0.052 0.000 0.000 0.000 0.000 0.000 0.000 0.000 3291226680 32580 79.03014 11.37904 0.299 0.373 0.134 0.000 0.037 0.000 0.037 0.037 0.091 0.031 3291263880 35760 79.02975 11.38919 0.297 0.641 0.112 0.000 0.000 0.056 0.048 0.048 0.000 0.000 3291303600 41820 78.16183 4.20082 0.324 0.953 0.121 0.000 0.040 0.053 0.034 0.034 0.000 0.038 3291378120 53760 76.34704 -2.42478 0.217 0.130 0.156 0.000 0.027 0.000 0.022 0.022 0.000 0.000 3291435540 35880 75.65462 -2.89311 0.064 0.093 0.153 0.000 0.018 0.000 0.012 0.012 0.024 0.000 3291475140 49860 73.56340 -6.81856 0.057 0.359 0.046 0.000 0.000 0.023 0.000 0.000 0.000 0.000 3291531660 26160 70.95467 -7.80474 0.092 0.205 0.070 0.000 0.000 0.000 0.000 0.000 0.000 0.000 3291561480 43380 70.23685 -13.39988 0.034 0.027 0.073 0.000 0.000 0.000 0.009 0.009 0.000 0.000 3291608640 35100 69.88191 -16.26266 0.041 0.001 0.052 0.000 0.000 0.007 0.000 0.000 0.000 0.000 3291647700 43560 67.95429 -14.17951 0.490 2.774 0.398 0.000 0.033 0.147 0.050 0.050 0.020 0.114 3291696180 34620 65.58756 -12.62950 0.246 2.171 0.078 0.000 0.023 0.108 0.028 0.028 0.000 0.110 3291798900 19560 63.23890 -20.59021 0.479 6.451 0.560 0.000 0.096 0.307 0.046 0.046 0.028 0.205 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, Cations - 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, Cations - 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,"", subNa; SetScale y 0,0,"ug/m3", subNa X Note/NOCR subNa, "ACF_PROJECT:ICEALOT;" X Note/NOCR subNa, "ACF_PLATFORM:KNORR;" X Note/NOCR subNa, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subNa, "ACF_VERSION:0;" X Note/NOCR subNa, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subNa, "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 subNa, "ACF_LEGAL_MIN:0;" X Note/NOCR subNa, "ACF_LEGAL_MAX:50;" X Note/NOCR subNa, "ACF_UNITS:ug/m3;" X Note/NOCR subNa, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subNa, "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 subNa, "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 subNa, " 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 subNa, "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 subNa, "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 subNa, "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 subNa, "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 subNa, "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 subNa, "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 subNa, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subNa, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subNa, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subNa, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subNa, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subNa, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subNa, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subNa, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subNa, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subNa, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subNa, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supNa; SetScale y 0,0,"ug/m3", supNa X Note/NOCR supNa, "ACF_PROJECT:ICEALOT;" X Note/NOCR supNa, "ACF_PLATFORM:KNORR;" X Note/NOCR supNa, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supNa, "ACF_VERSION:0;" X Note/NOCR supNa, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supNa, "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 supNa, "ACF_LEGAL_MIN:0;" X Note/NOCR supNa, "ACF_LEGAL_MAX:50;" X Note/NOCR supNa, "ACF_UNITS:ug/m3;" X Note/NOCR supNa, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supNa, "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 supNa, "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 supNa, " 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 supNa, "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 supNa, "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 supNa, "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 supNa, "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 supNa, "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 supNa, "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 supNa, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supNa, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supNa, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supNa, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supNa, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supNa, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supNa, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supNa, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supNa, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supNa, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supNa, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subNH4; SetScale y 0,0,"ug/m3", subNH4 X Note/NOCR subNH4, "ACF_PROJECT:ICEALOT;" X Note/NOCR subNH4, "ACF_PLATFORM:KNORR;" X Note/NOCR subNH4, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subNH4, "ACF_VERSION:0;" X Note/NOCR subNH4, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subNH4, "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 subNH4, "ACF_LEGAL_MIN:0;" X Note/NOCR subNH4, "ACF_LEGAL_MAX:50;" X Note/NOCR subNH4, "ACF_UNITS:ug/m3;" X Note/NOCR subNH4, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subNH4, "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 subNH4, "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 subNH4, " 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 subNH4, "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 subNH4, "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 subNH4, "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 subNH4, "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 subNH4, "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 subNH4, "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 subNH4, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subNH4, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subNH4, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subNH4, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subNH4, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subNH4, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subNH4, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subNH4, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subNH4, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subNH4, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subNH4, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supNH4; SetScale y 0,0,"ug/m3", supNH4 X Note/NOCR supNH4, "ACF_PROJECT:ICEALOT;" X Note/NOCR supNH4, "ACF_PLATFORM:KNORR;" X Note/NOCR supNH4, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supNH4, "ACF_VERSION:0;" X Note/NOCR supNH4, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supNH4, "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 supNH4, "ACF_LEGAL_MIN:0;" X Note/NOCR supNH4, "ACF_LEGAL_MAX:50;" X Note/NOCR supNH4, "ACF_UNITS:ug/m3;" X Note/NOCR supNH4, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supNH4, "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 supNH4, "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 supNH4, " 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 supNH4, "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 supNH4, "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 supNH4, "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 supNH4, "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 supNH4, "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 supNH4, "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 supNH4, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supNH4, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supNH4, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supNH4, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supNH4, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supNH4, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supNH4, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supNH4, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supNH4, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supNH4, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supNH4, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subK; SetScale y 0,0,"ug/m3", subK X Note/NOCR subK, "ACF_PROJECT:ICEALOT;" X Note/NOCR subK, "ACF_PLATFORM:KNORR;" X Note/NOCR subK, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subK, "ACF_VERSION:0;" X Note/NOCR subK, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subK, "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 subK, "ACF_LEGAL_MIN:0;" X Note/NOCR subK, "ACF_LEGAL_MAX:50;" X Note/NOCR subK, "ACF_UNITS:ug/m3;" X Note/NOCR subK, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subK, "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 subK, "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 subK, " 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 subK, "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 subK, "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 subK, "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 subK, "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 subK, "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 subK, "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 subK, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subK, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subK, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subK, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subK, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subK, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subK, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subK, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subK, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subK, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subK, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supK; SetScale y 0,0,"ug/m3", supK X Note/NOCR supK, "ACF_PROJECT:ICEALOT;" X Note/NOCR supK, "ACF_PLATFORM:KNORR;" X Note/NOCR supK, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supK, "ACF_VERSION:0;" X Note/NOCR supK, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supK, "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 supK, "ACF_LEGAL_MIN:0;" X Note/NOCR supK, "ACF_LEGAL_MAX:50;" X Note/NOCR supK, "ACF_UNITS:ug/m3;" X Note/NOCR supK, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supK, "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 supK, "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 supK, " 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 supK, "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 supK, "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 supK, "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 supK, "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 supK, "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 supK, "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 supK, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supK, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supK, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supK, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supK, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supK, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supK, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supK, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supK, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supK, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supK, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subMg; SetScale y 0,0,"ug/m3", subMg X Note/NOCR subMg, "ACF_PROJECT:ICEALOT;" X Note/NOCR subMg, "ACF_PLATFORM:KNORR;" X Note/NOCR subMg, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subMg, "ACF_VERSION:0;" X Note/NOCR subMg, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subMg, "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 subMg, "ACF_LEGAL_MIN:0;" X Note/NOCR subMg, "ACF_LEGAL_MAX:50;" X Note/NOCR subMg, "ACF_UNITS:ug/m3;" X Note/NOCR subMg, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subMg, "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 subMg, "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 subMg, " 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 subMg, "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 subMg, "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 subMg, "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 subMg, "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 subMg, "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 subMg, "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 subMg, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subMg, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subMg, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subMg, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subMg, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subMg, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subMg, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subMg, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subMg, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subMg, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subMg, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supMg; SetScale y 0,0,"ug/m3", supMg X Note/NOCR supMg, "ACF_PROJECT:ICEALOT;" X Note/NOCR supMg, "ACF_PLATFORM:KNORR;" X Note/NOCR supMg, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supMg, "ACF_VERSION:0;" X Note/NOCR supMg, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supMg, "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 supMg, "ACF_LEGAL_MIN:0;" X Note/NOCR supMg, "ACF_LEGAL_MAX:50;" X Note/NOCR supMg, "ACF_UNITS:ug/m3;" X Note/NOCR supMg, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supMg, "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 supMg, "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 supMg, " 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 supMg, "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 supMg, "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 supMg, "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 supMg, "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 supMg, "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 supMg, "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 supMg, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supMg, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supMg, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supMg, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supMg, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supMg, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supMg, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supMg, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supMg, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supMg, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supMg, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", subCa; SetScale y 0,0,"ug/m3", subCa X Note/NOCR subCa, "ACF_PROJECT:ICEALOT;" X Note/NOCR subCa, "ACF_PLATFORM:KNORR;" X Note/NOCR subCa, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR subCa, "ACF_VERSION:0;" X Note/NOCR subCa, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR subCa, "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 subCa, "ACF_LEGAL_MIN:0;" X Note/NOCR subCa, "ACF_LEGAL_MAX:50;" X Note/NOCR subCa, "ACF_UNITS:ug/m3;" X Note/NOCR subCa, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR subCa, "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 subCa, "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 subCa, " 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 subCa, "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 subCa, "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 subCa, "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 subCa, "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 subCa, "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 subCa, "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 subCa, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR subCa, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR subCa, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR subCa, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR subCa, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR subCa, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR subCa, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR subCa, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR subCa, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR subCa, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR subCa, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI." X SetScale/P x 0,1,"", supCa; SetScale y 0,0,"ug/m3", supCa X Note/NOCR supCa, "ACF_PROJECT:ICEALOT;" X Note/NOCR supCa, "ACF_PLATFORM:KNORR;" X Note/NOCR supCa, "ACF_DATA_TYPE:TIMESERIES-1D;" X Note/NOCR supCa, "ACF_VERSION:0;" X Note/NOCR supCa, "ACF_SUBMIT_DATE:05-NOV-2008;" X Note/NOCR supCa, "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 supCa, "ACF_LEGAL_MIN:0;" X Note/NOCR supCa, "ACF_LEGAL_MAX:50;" X Note/NOCR supCa, "ACF_UNITS:ug/m3;" X Note/NOCR supCa, "ACF_INSTRUMENT:2-stage impactor -- ion chromatographic analysis;" X Note/NOCR supCa, "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 supCa, "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 supCa, " 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 supCa, "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 supCa, "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 supCa, "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 supCa, "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 supCa, "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 supCa, "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 supCa, "t al., Sci. Total Environ., 13, 245 - 261, 1979. Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.;" X Note/NOCR supCa, "ICARTT_DATA_SOURCE_DESCRIPTION:Aerosol Chemistry Data, Cations - collected with 2 stage impactors during ICEALOT 2008;" X Note/NOCR supCa, "ICARTT_TIME_DESCRIPTION:irregular time interval;" X Note/NOCR supCa, "ICARTT_BELOW_DETECTION_LEVEL_INDICATOR:0;" X Note/NOCR supCa, "ICARTT_VERSION_0:Initial version, no comments;" X Note/NOCR supCa, "ICARTT_USED_TO_DETERMINE_THE_SUB-_AND_SUPERMICROMETER_CONCENTRATIONS_OF_CL-,_BR-,_NO3-,_SO4:, methanesulfonate;" X Note/NOCR supCa, "ICARTT_MISSION_NAME:ICEALOT 2008;" X Note/NOCR supCa, "ICARTT_LOCATION:North Atlantic;" X Note/NOCR supCa, "ICARTT_DM_CONTACT_INFO:J Johnson, email: james.e.johnson@noaa.gov, phone: 206-526-6355;" X Note/NOCR supCa, "ICARTT_PROJECT_INFO:ICEALOT 2008-- March 19 - April 24, 2008;" X Note/NOCR supCa, "ICARTT_STIPULATIONS_ON_USE:Use of these data require prior ok from PI."