Project/Cruise: MAGE 92

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  • VESSEL: R/V JOHN VICKERS
  • DEPARTED: Los Angeles on 21 February 1992
  • VIA:
    • Nuka Hiva, Marquesas Islands,
      11-12 March 1992
  • ARRIVED: Los Angeles on 25 March 1992
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
MAGE92_atm_v10 ACF   IGOR   CDF   Ship Latitude Latitude Ship Ship Longitude Longitude Qualimetrics RTD sensor, atmospheric chemistry group AirTemp (C) Barometric Pressure Ship Bridge Barometer BaroP (mbar) Qualimetrics LiCl cell, atmospheric chemistry group RH (%) Insolation from Epply Radiometer SN12946 Insolation(Wm-2) Wind Speed from Qualimetrics Skyvane 2100, GPS WindS (m/s) Wind Direction from Qualimetrics Skyvane 2100, GPS WindD Eastward Wind from Qualimetrics Skyvane 2100, GPS WindU (m/s) Northward Wind from Qualimetrics Skyvane 2100, 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 Condensation Nuclei Dp > 12 microns CN (cm-3) Ultrafine Condensation Nuclei Dp > 3 microns UFCN (cm-3) Ozone from Dasibi 1008 AH Ozone (pcpb)
MAGE92_co_v10 ACF   IGOR   CDF   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)
MAGE92_dms_v0 ACF   IGOR   CDF   DMS in Air from PMEL DMS System DMSair (ppt) DMS in Seawater from PMEL DMS System DMSsw (nM)
MAGE92_AERO-SUBMICRON_v0 ACF   IGOR   CDF   Submicron Aerosol Chloride from filter pack SubCl(ug/m3) Submicron Aerosol Nitrate from filter pack SubNO3(ug/m3) Submicron Aerosol Sulfate from filter pack SubSO4(ug/m3) Submicron Aerosol non-seasalt Sulfate from 2-Stage Impactor SubnnsSO4(ug/m3) Submicron Aerosol Sodium from filter pack SubNa(ug/m3) Submicron Aerosol Ammonium from filter pack SubNH4(ug/m3) Submicron Aerosol Potassium from filter pack SubK(ug/m3)

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