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Dataset Title:  PMEL Atmospheric Chemistry NEAQAS2004 Experiment irregular 1 data Subscribe RSS
Institution:  PMEL Atmospheric Chemistry   (Dataset ID: IrregularTime1_ffad_c628_d611)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Make a graph
 
Variable ?   Optional
Constraint #1 ?
Optional
Constraint #2 ?
   Minimum ?
   or a List of Values ?
   Maximum ?
 
 traj ?      
   - +  ?
 id (trajectory id) ?      
   - +  ?
 time (UTC) ?          2004-07-06T01:00:20Z    2004-08-11T16:49:44Z
  < slider >
 longitude (degrees_east) ?          -71.05103    -66.16325
  < slider >
 lon360 (longitude 360, degrees_east) ?          288.949    293.8367
 latitude (degrees_north) ?          41.82591    44.35424
  < slider >
 DUR_628 (Sample Duration, min) ?          200.3    1380.5
 MSA_1956 (ug/m^3) ?          0.0    0.2474
 MSA_1957 (ug/m^3) ?          0.0    0.0546
 Cl_1944 (ug/m^3) ?          0.0    0.08
 Cl_1945 (ug/m^3) ?          0.0    4.125
 Br_1989 (ug/m^3) ?          0.0    0.0431
 Br_1990 (ug/m^3) ?          0.0    0.0221
 NO3_1947 (ug/m^3) ?          0.0    0.211
 NO3_1948 (ug/m^3) ?          0.0    3.349
 SO4_1950 (ug/m^3) ?          0.0    24.645
 SO4_1951 (ug/m^3) ?          0.0    3.466
 nssSO4_1953 (PSU) ?          0.0    24.639
 nssSO4_1954 (PSU) ?          0.0    3.466
 Oxlate_1986 (ug/m^3) ?          0.0    0.183
 Oxlate_1987 (ug/m^3) ?          0.0    0.114
 Na_1920 (ug/m^3) ?          0.0    0.343
 Na_1921 (ug/m^3) ?          0.0    2.942
 NH4_1923 (ug/m^3) ?          0.0    3.905
 NH4_1924 (ug/m^3) ?          0.0    0.289
 K_1926 (ug/m^3) ?          0.0    0.14
 K_1927 (ug/m^3) ?          0.0    0.087
 Mg_1929 (ug/m^3) ?          0.0    0.0301
 Mg_1930 (ug/m^3) ?          0.0    0.3058
 Ca_1932 (ug/m^3) ?          0.0    0.0961
 Ca_1933 (ug/m^3) ?          0.0    0.1011
 OC_1959 (ug/m^3) ?              
 
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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  traj {
    Float64 actual_range 1.0, 1.0;
    String axis "E";
    String long_name "Traj";
    String point_spacing "even";
  }
  id {
    String cf_role "trajectory_id";
    String long_name "trajectory id";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.08907562e+9, 1.0922429840000002e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "Time";
    String standard_name "time";
    String time_origin "01-JAN-1970 00:00:00";
    String units "seconds since 1970-01-01T00:00:00Z";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 _FillValue -1.0e+34;
    Float32 actual_range -71.05103, -66.16325;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    Int32 epic_code 502;
    String FORTRAN_format "f10.4";
    Float32 gap_value -999.0;
    String generic_name "lon";
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "GPS";
    String ioos_category "Location";
    String long_name "Longitude";
    Float32 max_value 360.0;
    Float32 min_value -180.0;
    Float32 missing_value -1.0e+34;
    String name "LON";
    String plot_lab "LONGT";
    String standard_name "longitude";
    String units "degrees_east";
  }
  lon360 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 288.949, 293.8367;
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String long_name "longitude 360";
    Float32 missing_value -1.0e+34;
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 41.82591, 44.35424;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    Int32 epic_code 500;
    String FORTRAN_format "f10.4";
    Float32 gap_value -999.0;
    String generic_name "lat";
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "GPS";
    String ioos_category "Location";
    String long_name "Latitude";
    Float32 max_value 90.0;
    Float32 min_value -90.0;
    Float32 missing_value -1.0e+34;
    String name "LAT";
    String plot_lab "LAT";
    String standard_name "latitude";
    String units "degrees_north";
  }
  DUR_628 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 200.3, 1380.5;
    Int32 epic_code 628;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "*";
    String long_name "Sample Duration";
    Float32 max_value 59.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "DUR";
    String plot_lab "Duration";
    String units "min";
  }
  MSA_1956 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.2474;
    Int32 epic_code 1956;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Methane Sulfonic Acid";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "MSA";
    String plot_lab "subMSA";
    String units "ug/m^3";
  }
  MSA_1957 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.0546;
    Int32 epic_code 1957;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Methane Sulfonic Acid";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "MSA";
    String plot_lab "supMSA";
    String units "ug/m^3";
  }
  Cl_1944 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.08;
    Int32 epic_code 1944;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Chloride";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Cl";
    String plot_lab "subCl";
    String units "ug/m^3";
  }
  Cl_1945 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 4.125;
    Int32 epic_code 1945;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Chloride";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Cl";
    String plot_lab "supCl";
    String units "ug/m^3";
  }
  Br_1989 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.0431;
    Int32 epic_code 1989;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Bromide";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Br";
    String plot_lab "subBr";
    String units "ug/m^3";
  }
  Br_1990 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.0221;
    Int32 epic_code 1990;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Bromide";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Br";
    String plot_lab "supBr";
    String units "ug/m^3";
  }
  NO3_1947 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.211;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    Int32 epic_code 1947;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Nitrate";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "NO3";
    String plot_lab "subNO3";
    String standard_name "mole_concentration_of_nitrate_in_sea_water";
    String units "ug/m^3";
  }
  NO3_1948 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 3.349;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    Int32 epic_code 1948;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Nitrate";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "NO3";
    String plot_lab "supNO3";
    String standard_name "mole_concentration_of_nitrate_in_sea_water";
    String units "ug/m^3";
  }
  SO4_1950 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 24.645;
    Int32 epic_code 1950;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Sulfate";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "SO4";
    String plot_lab "subSO4";
    String units "ug/m^3";
  }
  SO4_1951 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 3.466;
    Int32 epic_code 1951;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Sulfate";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "SO4";
    String plot_lab "supSO4";
    String units "ug/m^3";
  }
  nssSO4_1953 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 24.639;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    Int32 epic_code 1953;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol non-Seasalt Sulfate";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "nssSO4";
    String plot_lab "subnssSO4";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  nssSO4_1954 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 3.466;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    Int32 epic_code 1954;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol non-Seasalt Sulfate";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "nssSO4";
    String plot_lab "supnssSO4";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  Oxlate_1986 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.183;
    Int32 epic_code 1986;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Oxalate";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Oxlate";
    String plot_lab "subOxalate";
    String units "ug/m^3";
  }
  Oxlate_1987 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.114;
    Int32 epic_code 1987;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-AN_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Oxalate";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Oxlate";
    String plot_lab "supOxalate";
    String units "ug/m^3";
  }
  Na_1920 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.343;
    Int32 epic_code 1920;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Sodium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Na";
    String plot_lab "subNa";
    String units "ug/m^3";
  }
  Na_1921 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 2.942;
    Int32 epic_code 1921;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Sodium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Na";
    String plot_lab "supNa";
    String units "ug/m^3";
  }
  NH4_1923 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 3.905;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    Int32 epic_code 1923;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Ammonium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "NH4";
    String plot_lab "subNH4";
    String standard_name "mole_concentration_of_ammonium_in_sea_water";
    String units "ug/m^3";
  }
  NH4_1924 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.289;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    Int32 epic_code 1924;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Ammonium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "NH4";
    String plot_lab "supNH4";
    String standard_name "mole_concentration_of_ammonium_in_sea_water";
    String units "ug/m^3";
  }
  K_1926 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.14;
    Int32 epic_code 1926;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Potassium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "K";
    String plot_lab "subK";
    String units "ug/m^3";
  }
  K_1927 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.087;
    Int32 epic_code 1927;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Potassium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "K";
    String plot_lab "supK";
    String units "ug/m^3";
  }
  Mg_1929 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.0301;
    Int32 epic_code 1929;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Magnesium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Mg";
    String plot_lab "subMg";
    String units "ug/m^3";
  }
  Mg_1930 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.3058;
    Int32 epic_code 1930;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Magnesium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Mg";
    String plot_lab "supMg";
    String units "ug/m^3";
  }
  Ca_1932 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.0961;
    Int32 epic_code 1932;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Submicron Aerosol Calcium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Ca";
    String plot_lab "subCa";
    String units "ug/m^3";
  }
  Ca_1933 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.0, 0.1011;
    Int32 epic_code 1933;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_AERO-CAT_v0_copy";
    String instr_id "2-stage impactor -- ion chromatographic analysis";
    String long_name "Soluble Supermicron Aerosol Calcium";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "Ca";
    String plot_lab "supCa";
    String units "ug/m^3";
  }
  OC_1959 {
    Float32 _FillValue -1.0e+34;
    Int32 epic_code 1959;
    Float32 gap_value -999.0;
    String history "From NEAQS2004_IMP-OCEC_v1_copy";
    String instr_id "Filter/Impactor Collection - Sunset Labs thermal/optical analyzer";
    String long_name "Submicron Aerosol Organic Carbon";
    Float32 max_value 20.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "OC";
    String note_01 "UNCERTAINTY=+/-13%";
    String note_02 "Lower Limit of Detection= 0.1 to 0.8 ug/m3";
    String plot_lab "subOC";
    String units "ug/m^3";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "traj, id";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creation_date "14:09 24-JUN-05";
    String creator_email "pmel.info@noaa.gov";
    String creator_name "PMEL Atmospheric Chemistry";
    String creator_url "https://www.pmel.noaa.gov/";
    String DATA_TYPE "TIMESERIES-1D";
    Float64 Easternmost_Easting -66.16325;
    String featureType "Trajectory";
    String FILE_START_TIME "2004 07 06 01 00";
    String FILE_STOP_TIME "2004 08 11 22 50";
    Float64 geospatial_lat_max 44.35424;
    Float64 geospatial_lat_min 41.82591;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -66.16325;
    Float64 geospatial_lon_min -71.05103;
    String geospatial_lon_units "degrees_east";
    String history 
"FERRET V7.01  22-Aug-16
2023-09-29T00:38:15Z (local files)
2023-09-29T00:38:15Z https://data.pmel.noaa.gov/pmel/erddap/tabledap/IrregularTime1_ffad_c628_d611.html";
    String infoUrl "http://saga.pmel.noaa.gov/";
    String institution "PMEL Atmospheric Chemistry";
    String keywords "acid, aerosol, air, ammonia, ammonium, atmospheric, Br_1989, Br_1990, bromide, Ca_1932, Ca_1933, calcium, carbon, chemistry, chloride, Cl_1944, Cl_1945, concentration, data, density, DUR_628, duration, Earth Science > Oceans > Ocean Chemistry > Ammonia, Earth Science > Oceans > Ocean Chemistry > Nitrate, Earth Science > Oceans > Salinity/Density > Salinity, england, environmental, irregular, K_1926, K_1927, laboratory, latitude, lon360, longitude, magnesium, marine, methane, Mg_1929, Mg_1930, mole, mole_concentration_of_ammonium_in_sea_water, mole_concentration_of_nitrate_in_sea_water, MSA_1956, MSA_1957, n02, Na_1920, Na_1921, new, nh4, NH4_1923, NH4_1924, nitrate, no3, NO3_1947, NO3_1948, noaa, non, non-seasalt, nssSO4_1953, nssSO4_1954, OC_1959, ocean, oceans, organic, oxalate, Oxlate_1986, Oxlate_1987, pacific, pmel, potassium, practical, quality, salinity, sample, sea, sea_water_practical_salinity, seasalt, seawater, SO4_1950, SO4_1951, sodium, soluble, study, submicron, sulfate, sulfonic, supermicron, time, traj, trajectory, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"Data Licenses / Data Usage Restrictions
The data may be used and redistributed for free but is not intended
for legal use, since it may contain inaccuracies. Neither the data
Contributor, ERD, NOAA, nor the United States Government, nor any
of their employees or contractors, makes any warranty, express or
implied, including warranties of merchantability and fitness for a
particular purpose, or assumes any legal liability for the accuracy,
completeness, or usefulness, of this information.

Unless otherwise noted, data served through this ERDDAP server are 
not quality controlled.  Users may need to do quality control when using 
these data. These data are made available at the users own risk.";
    Float64 Northernmost_Northing 44.35424;
    String PLATFORM "RONALD_H_BROWN";
    String PROJECT "NEAQS2002";
    String REMARK_01 "Data Source Description= Aerosol Chemistry Data, Anions - collected with 2 stage";
    String REMARK_02 "Time Description= irregular time interval";
    String REMARK_03 "Other=";
    String REMARK_04 "Version 0= Initial version, no comments";
    String REMARK_05 "NOAA PMEL Chemistry Data - collected with 2 stage impactors";
    String REMARK_06 "Contact persons:  Trish Quinn, patricia.k.quinn@noaa.gov; Kristen Schulz, Kriste";
    String REMARK_07 "  Two-stage multi-jet cascade impactors (Berner et al., 1979) sampling air at 55";
    String REMARK_08 "used to determine the sub- and supermicron concentrations of Cl-, NO3-, SO4=, me";
    String REMARK_09 "(MSA-), Na+, NH4+, K+, Mg+2, and Ca+2. Sampling periods ranged from 4 to 6 hours";
    String REMARK_10 "sampled air stream was measured a few inches upstream from the impactor.  The 50";
    String REMARK_11 "cutoff diameters, D50,aero, were 1.1 and 10 um.  Submicron refers to particles w";
    String REMARK_12 "at 55% RH and supermicron refers to particles with 1.1 um < Daero < 10 um at 55%";
    String REMARK_13 "     The impaction stage at the inlet of the impactor was coated with silicone g";
    String REMARK_14 "the bounce of larger particles onto the downstream stages.  Tedlar films were us";
    String REMARK_15 "collection substrate in the impaction stage and a Millipore Fluoropore filter (1";
    String REMARK_16 "was used for the backup filter.  Films were cleaned in an ultrasonic bath in 10%";
    String REMARK_17 "rinsed in distilled, deionized water, and dried in an NH3- and SO2-free glove bo";
    String REMARK_18 "films were wetted with 1 mL of spectral grade methanol.  An additional 5 mLs of";
    String REMARK_19 "deionized water were added to the solution and the substrates were extracted by";
    String REMARK_20 "The extracts were analyzed by ion chromatography [Quinn et al., 1998].  All hand";
    String REMARK_21 "substrates was done in the glove box.  Blank levels were determined by loading a";
    String REMARK_22 "substrates but not drawing any air through it.";
    String REMARK_23 "     Non-sea salt sulfate concentrations were calculated from Na+ concentrations";
    String REMARK_24 "of sulfate to sodium in seawater.";
    String REMARK_25 "Concentrations are reported as ug/m3 at STP (25C and 1 atm).";
    String REMARK_26 "Berner et al., Sci. Total Environ., 13,  245 - 261, 1979.";
    String REMARK_27 "Quinn et al., J. Geophys. Res., 105, 6785 - 6805, 2000.";
    String source "Quinn, Patricia K/NOAA-PMEL/Phone: 206-526-6892 /Address: 7600 Sand Pt. Wy. NE,S";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 41.82591;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String SUBMIT_DATE "24-JUNE-2005";
    String subsetVariables "traj, id";
    String summary "Pacific Marine Environmental Laboratory (PMEL) Atmospheric Chemistry New England Air Quality Study - 2004 irregular 1 data";
    String time_coverage_end "2004-08-11T16:49:44Z";
    String time_coverage_start "2004-07-06T01:00:20Z";
    String TIME_PAR "year month day hour minute second";
    String title "PMEL Atmospheric Chemistry NEAQAS2004 Experiment irregular 1 data";
    String version "0";
    Float64 Westernmost_Easting -71.05103;
  }
}

 

Using tabledap to Request Data and Graphs from Tabular Datasets

tabledap lets you request a data subset, a graph, or a map from a tabular dataset (for example, buoy data), via a specially formed URL. tabledap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its selection constraints (external link).

The URL specifies what you want: the dataset, a description of the graph or the subset of the data, and the file type for the response.

Tabledap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/tabledap/pmelTaoDySst.htmlTable?longitude,latitude,time,station,wmo_platform_code,T_25&time>=2015-05-23T12:00:00Z&time<=2015-05-31T12:00:00Z
Thus, the query is often a comma-separated list of desired variable names, followed by a collection of constraints (e.g., variable<value), each preceded by '&' (which is interpreted as "AND").

For details, see the tabledap Documentation.


 
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