Project/Cruise: RITS 94

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Aerosol Chemistry Distributions
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  • VESSEL: NOAA Ship Surveyor
  • DEPARTED: Seattle, Washington on November 20, 1993
  • VIA:
    • Tahiti on December 13-17, 1993
    • Palmer Station, Antarctica on January 3-4, 1994
  • ARRIVED: Punta Arenas, Chile on January 7, 1994

The allocation of the variables in each file is shown in the table below. For all cruises the data are available in several formats and can be downloaded by clicking on the ACF IGOR CDF and/or ICT link in the download column.

The data are stored in a native ascii ACF format, defined by our group. The same data are also available as an IGOR text file (.itx). IGOR is a scientific graphing, data analysis package from Wavemetrics Inc. The plotting section of this site uses the ACF data converted into a binary netCDF file format. While not directly viewable the file may be downloaded by clicking on the "CDF" link. Projects starting in 2004 also have data available in the ICARTT data format. To download click on "ICT". The ICARTT files are ascii files that are based on the NASA AMES standard.

Most ASCII, netCDF, and ICARTT files for this cruise have a time resolution of 1 minute. If available, one second data files are listed under the link "ICT_1s". These one second data files in ICARTT format are zip compressed, but still large, of order 100 Mbytes.

Some data files from recent cruises may be password protected. To obtain a password, please contact Jim Johnson or Timothy Bates.

Moving the cursor over an "Info Icon" and/or clicking provides additional information on the variables.

Filename Download Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter Parameter
RITS94_atm ACF   IGOR   CDF   Ship Latitude Latitude Ship Ship Longitude Longitude
RITS94_atm_v11 ACF   IGOR   CDF   Air Temperature from RMYoung sensor SN30333 calibrated 9/29/93 AirTemp (C) Barometric Pressure from Qualimetrics 7105-A BaroP (mbar) Humidity from RMYoung sensor SN30333 calibrated 9/29/93 RH (%) Insolation from Epply Radiometer SN12946 Insolation(Wm-2) Wind Speed from Qualimetrics Skyvane 2100, Ship Gyrocompass, GPS WindS (m/s) Wind Direction from Qualimetrics Skyvane 2100, Ship Gyrocompass, GPS WindD Eastward Wind from Qualimetrics Skyvane 2100, Ship Gyrocompass, GPS WindU (m/s) Northward Wind from Qualimetrics Skyvane 2100, Ship Gyrocompass, GPS WindV (m/s) Wind Speed relative to Ship from Qualimetrics Skyvane 2100 RelWindS (m/s) Wind Dirn relative to Bow (-90/0/+90 from port/ahead/starboard) RelWindD Ship Speed over Ground from GPS GPS-Speed (kt) Ship Course over Ground from GPS GPS-Course Aerosol Scattering Blue ScatBlue (Mm-1) Aerosol Scattering Green ScatGreen (Mm-1) Aerosol Scattering Red ScatRed (Mm-1) Condensation Nuclei Dp > 12 microns CN (cm-3) Ultrafine Condensation Nuclei Dp > 3 microns UFCN (cm-3) Ozone from Dasibi 1008 AH and TECO 49 O_3 (ppb)
RITS94_sw ACF   IGOR   CDF   Sea Surface Temperature from Ship Thermosalinograph SST (C) Sea Surface Salinity from Ship Thermosalinograph SAL (psu) Nitrate in Seawater from Underway Autoanalzyer NO_3sw (uM) Ammonium in Seawater from Underway Autoanalzyer NH_4sw (uM) Discrete samples and underway continuous fluorescence Chl (ug/L)
RITS94_ch4co ACF   IGOR   CDF   CH4 in Air from PMEL GC System CH_4air (ppb) pCH4 in Air from PMEL GC System pCH_4air (uatm) CH4 in Seawater from PMEL GC System CH_4sw (nM) pCH4 in Seawater from PMEL GC System pCH_4sw (uatm) CO in Air from PMEL GC System COair (ppb) pCO in Air from PMEL GC System pCOair (uatm) CO in Seawater from PMEL GC System COsw (nM) pCO in Seawater from PMEL GC System pCOsw (uatm)
RITS94_dms_v11 ACF   IGOR   CDF   DMS in Air from PMEL DMS System DMSair (ppt) DMS in Seawater from PMEL DMS System DMSsw (nM)

U.S.Dept of Commerce / NOAA / OAR / PMEL / Atmospheric Chemistry