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Dataset Title:  PMEL Atmospheric Chemistry NEAQAS2002 15 minute data Subscribe RSS
Institution:  PMEL Atmospheric Chemistry   (Dataset ID: FifteenMinute_277d_92cd_36db)
Range: longitude = -79.945 to -67.3175°E, latitude = 32.6675 to 44.5171°N, time = 2002-07-12T17:52:30Z to 2002-08-10T22:52:30Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form
 
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Things You Can Do With Your Graphs

Well, you can do anything you want with your graphs, of course. But some things you might not have considered are:

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 1.02649635e+9, 1.02901995e+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 -79.945, -67.3175;
    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 NEAQS2002_nph_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 280.055, 292.6825;
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String history "From NEAQS2002_nph_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 32.6675, 44.5171;
    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 NEAQS2002_nph_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 15.0, 15.0;
    Int32 epic_code 628;
    Float32 gap_value -99.0;
    String history "From NEAQS2002_nph_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";
  }
  ASSP_1877 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 1002.28, 1026.02;
    Int32 epic_code 1877;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Aerosol Scat Nephelometer Pressure";
    Float32 max_value 1050.0;
    Float32 min_value 950.0;
    Float32 missing_value -1.0e+34;
    String name "ASSP";
    String plot_lab "NephP";
    String units "mbar";
  }
  ASST_1875 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 15.3, 35.6;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    Int32 epic_code 1875;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer with viasala sensor";
    String long_name "Aerosol Scat Nephelometer Temp";
    Float32 max_value 50.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "ASST";
    String plot_lab "NephT";
    String standard_name "sea_surface_temperature";
    String units "degC";
  }
  ASSRH_1876 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 42.0, 58.6;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    Int32 epic_code 1876;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer with viasala sensor";
    String long_name "Aerosol Scat Nephelometer RH";
    Float32 max_value 100.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "ASSRH";
    String plot_lab "NephRH";
    String standard_name "relative_humidity";
    String units "percent";
  }
  ASB_1861 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 6.6972, 378.3842;
    Int32 epic_code 1861;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Aerosol Scat Blue";
    Float32 max_value 250.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "ASB";
    String plot_lab "ScatBlue";
    String units "Mm-1";
  }
  ASG_1862 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 4.4345, 277.3362;
    Int32 epic_code 1862;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Aerosol Scat Green";
    Float32 max_value 250.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "ASG";
    String plot_lab "ScatGreen";
    String units "Mm-1";
  }
  ASR_1863 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 1.3767, 191.0996;
    Int32 epic_code 1863;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Aerosol Scat Red";
    Float32 max_value 250.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "ASR";
    String plot_lab "ScatRed";
    String units "Mm-1";
  }
  ABSB_1864 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.8368, 29.3817;
    Int32 epic_code 1864;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Aerosol Back Scat Blue";
    Float32 max_value 100.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "ABSB";
    String plot_lab "BkSctB";
    String units "Mm-1";
  }
  ABSG_1865 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.5591, 22.4129;
    Int32 epic_code 1865;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Aerosol Back Scat Green";
    Float32 max_value 100.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "ABSG";
    String plot_lab "BkSctG";
    String units "Mm-1";
  }
  ABSR_1866 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 1.0e-4, 19.8919;
    Int32 epic_code 1866;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Aerosol Back Scat Red";
    Float32 max_value 100.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "ABSR";
    String plot_lab "BkSctR";
    String units "Mm-1";
  }
  SASB_1867 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 4.3629, 357.6245;
    Int32 epic_code 1867;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Submicron AeroScat Blue";
    Float32 max_value 250.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "SASB";
    String plot_lab "SubmSctB";
    String units "Mm-1";
  }
  SASG_1868 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 3.2618, 258.4382;
    Int32 epic_code 1868;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Submicron AeroScat Green";
    Float32 max_value 250.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "SASG";
    String plot_lab "SubmSctG";
    String units "Mm-1";
  }
  SASR_1869 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.7123, 168.135;
    Int32 epic_code 1869;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Submicron AeroScat Red";
    Float32 max_value 250.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "SASR";
    String plot_lab "SubmSctR";
    String units "Mm-1";
  }
  SBSB_1870 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.537, 28.0857;
    Int32 epic_code 1870;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Submicron Aero BkScat Blue";
    Float32 max_value 100.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "SBSB";
    String plot_lab "SubBkSctB";
    String units "Mm-1";
  }
  SBSG_1871 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.4391, 22.4307;
    Int32 epic_code 1871;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Submicron Aero BkScat Green";
    Float32 max_value 100.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "SBSG";
    String plot_lab "SubBkSctG";
    String units "Mm-1";
  }
  SBSR_1872 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 0.1411, 17.7431;
    Int32 epic_code 1872;
    Float32 gap_value -999.0;
    String history "From NEAQS2002_nph_copy";
    String instr_id "TSI Model 3563 Nephelometer";
    String long_name "Submicron Aero BkScat Red";
    Float32 max_value 100.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "SBSR";
    String plot_lab "SubBkSctR";
    String units "Mm-1";
  }
  S_41 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 29.2454, 36.2099;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    Int32 epic_code 41;
    Float32 gap_value -999.0;
    String generic_name "sal";
    String history "From NEAQS2002_sw_copy";
    String instr_id "Ship Thermosalinograph";
    String long_name "SALINITY (PSU)";
    Float32 max_value 45.0;
    Float32 min_value 0.0;
    Float32 missing_value -1.0e+34;
    String name "S";
    String plot_lab "Salinity";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  T_25 {
    Float32 _FillValue -1.0e+34;
    Float32 actual_range 9.6921, 29.6709;
    Int32 epic_code 25;
    Float32 gap_value -999.0;
    String generic_name "temp";
    String history "From NEAQS2002_sw_copy";
    String instr_id "Ship Thermosalinograph";
    String long_name "SST (C)";
    Float32 max_value 45.0;
    Float32 min_value -10.0;
    Float32 missing_value -1.0e+34;
    String name "T";
    String plot_lab "SST";
    String units "C";
  }
 }
  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 "16:20  5-MAY-03";
    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 -67.3175;
    String featureType "Trajectory";
    String FILE_START_TIME "2002 07 12 17 52";
    String FILE_STOP_TIME "2001 08 10 22 52";
    Float64 geospatial_lat_max 44.5171;
    Float64 geospatial_lat_min 32.6675;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -67.3175;
    Float64 geospatial_lon_min -79.945;
    String geospatial_lon_units "degrees_east";
    String history 
"FERRET V7.01  22-Aug-16
2024-04-19T18:32:58Z (local files)
2024-04-19T18:32:58Z https://data.pmel.noaa.gov/pmel/tabledap/FifteenMinute_277d_92cd_36db.das";
    String infoUrl "http://saga.pmel.noaa.gov/";
    String institution "PMEL Atmospheric Chemistry";
    String keywords "ABSB_1864, ABSG_1865, ABSR_1866, aero, aeroscat, aerosol, ASB_1861, ASG_1862, ASR_1863, ASSP_1877, ASSRH_1876, ASST_1875, atmosphere, atmospheric, back, bkscat, blue, chemistry, data, density, DUR_628, duration, Earth Science > Atmosphere > Atmospheric Water Vapor > Humidity, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Salinity/Density > Salinity, environmental, green, humidity, laboratory, latitude, lon360, longitude, marine, minute, neaqas2002, nephelometer, noaa, ocean, oceans, pacific, pmel, practical, pressure, psu, red, relative, relative_humidity, S_41, salinity, sample, SASB_1867, SASG_1868, SASR_1869, SBSB_1870, SBSG_1871, SBSR_1872, scat, sea, sea_surface_temperature, sea_water_practical_salinity, seawater, sst, submicron, surface, T_25, temperature, time, traj, trajectory, unit, vapor, 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 44.5171;
    String PLATFORM "RONALD_H_BROWN";
    String PROJECT "ACEASIA";
    String REMARK_01 "Aerosol Light Scattering Data";
    String REMARK_02 "Contact person:  Trish Quinn, quinn@pmel.noaa.gov";
    String REMARK_03 "Measurements of aerosol scattering and hemispheric backscattering coefficients w";
    String REMARK_04 "made with an integrating nephelometer (Model 3563, TSI Inc.) at wavelengths of 4";
    String REMARK_05 "550, and 700 nm at approximately 55% RH.  Data are reported at the measurement R";
    String REMARK_06 "0degC, and 1013 mb.  Values measured directly by the nephelometer were corrected";
    String REMARK_07 "for an offset determined by measuring filtered air over a period of several hour";
    String REMARK_08 "[Anderson and Ogren, 1998]. Data have been corrected for angular non-idealities,";
    String REMARK_09 "including truncation errors and nonlambertian response, of the nephelometer usin";
    String REMARK_10 "the method of Anderson and Ogren [1998].";
    String REMARK_11 "Measurement RH:";
    String REMARK_12 "The measurement RH was controlled to near 55% RH. The RH was measured inside the";
    String REMARK_13 "nephelometer sensing volume.  The measurement RH, T, and P values are given in t";
    String REMARK_14 "data file.";
    String REMARK_15 "Inlet:";
    String REMARK_16 "Two single-stage Berner impactors, one with a D50,aero(55% RH) of 1.1 um and one";
    String REMARK_17 "with a D50,aero(55% RH) of 10 um were placed upstream of the nephelometer. An";
    String REMARK_18 "automated valve switched between the two impactors every 15 minutes so that";
    String REMARK_19 "sampling alternated between sub-1 um and sub-10 um aerosol.";
    String REMARK_20 "The valve switched at even 15 minute times (00, 15, 30, and 45 minutes after the";
    String REMARK_21 "Averaging interval:  15 min";
    String REMARK_22 "The averaging interval centers at the above 15 minutes times (00, 15, 30, and 45";
    String REMARK_23 "so that each 15 min averaging period had 7.5 minutes in each state.";
    String REMARK_24 "Time stamp:  Decimal day of year where DOY 75.5 is noon on March 16th.  Time giv";
    String REMARK_25 "is the mid-point of the 15 min averaging interval.";
    String REMARK_26 "Calibration:  The neph was calibrated with air and CO2 during the campaign at th";
    String REMARK_27 "beginning, middle, and end.";
    String REMARK_28 "Anderson and Ogren, Aer. Sci. Tech., 29, 57 - 69, 1998.";
    String source "Trish Quinn/NOAA-PMEL Patricia.K.Quinn@noaa.gov";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 32.6675;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String SUBMIT_DATE "05-May-2003";
    String subsetVariables "traj, id";
    String summary "Pacific Marine Environmental Laboratory (PMEL) Atmospheric Chemistry New England Air Quality Study - 2002 15 minute data";
    String time_coverage_end "2002-08-10T22:52:30Z";
    String time_coverage_start "2002-07-12T17:52:30Z";
    String TIME_PAR "year month day hour minute second";
    String title "PMEL Atmospheric Chemistry NEAQAS2002 15 minute data";
    String version "1";
    Float64 Westernmost_Easting -79.945;
  }
}

 

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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