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Dataset Title:  PMEL Atmospheric Chemistry ATOMIC Seawater 1 minute data Subscribe RSS
Institution:  NOAA PMEL Atmospheric Chemistry   (Dataset ID: EUREC4A_ATOMIC_RonBrown_PMEL_Seawater_v0)
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 ?
 
 time (UTC) ?          2020-01-07T18:00:00Z    2020-02-11T23:59:00Z
  < slider >
 trajectory_id ?      
   - +  ?
 latitude (degrees_north) ?          12.7865    15.8652
  < slider >
 longitude (degrees_east) ?          -59.6588    -50.9246
  < slider >
 sea_surface_temperature (degree_C) ?          25.9269    28.0324
 salinity (Sea Surface Salinity, PSU) ?          34.6112    36.7404
 chlorophyll (Sea Surface Chlorophyll, mg m-3) ?          0.0573893    1.08591
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")

File type: (more information)

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The Dataset Attribute Structure (.das) for this Dataset

Attributes {
 s {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.57842e+9, 1.58146554e+9;
    String axis "T";
    String calendar "gregorian";
    Float64 colorBarMaximum 1.582e+9;
    Float64 colorBarMinimum 1.578e+9;
    String history "50";
    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";
  }
  trajectory_id {
    String cf_role "trajectory_id";
    String ioos_category "Identifier";
    String long_name "trajectory id";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue -1.0e+34;
    Float64 actual_range 12.7865, 15.8652;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String comment "In the one minute files the position is treated somewhat differently from all the other data. The position given is the ship's position at the start of the one minute 'averaging' period. All other data are a true average. The PMEL GPS was the primary source. The Ship's GPS was used when there were missing data in the PMEL record.";
    String epic_code "500";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float64 valid_max 90.0;
    Float64 valid_min -90.0;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue -1.0e+34;
    Float64 actual_range -59.6588, -50.9246;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String comment "In the one minute files the position is treated somewhat differently from all the other data. The position given is the ship's position at the start of the one minute 'averaging' period. All other data are a true average. The PMEL GPS was the primary source. The Ship's GPS was used when there were missing data in the PMEL record.";
    String epic_code "502";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float64 valid_max 180.0;
    Float64 valid_min -180.0;
  }
  sea_surface_temperature {
    Float64 _FillValue -1.0e+34;
    Float64 actual_range 25.9269, 28.0324;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String comment "sea_surface_temperature is from the ship’s Hull Probe (SBT38, calibrated on Sep. 17, 2019), salinity is from the ship's SeaBird  thermosalinograph (SBE 45, calibrated on Sep. 25, 2019). The temperature probe and water inlet for the thermosalinograph were located 5.3 meters below the water line. The underway chlorophyll data are from the ship’s Seapoint fluorometer, which was calibrated by the factory on Nov. 21, 2019.";
    String epic_code "25";
    String ioos_category "Temperature";
    String long_name "Sea Surface Temperature";
    Float64 missing_value -999.0;
    String standard_name "sea_surface_temperature";
    String units "degree_C";
    Float64 valid_max 50.0;
    Float64 valid_min -5.0;
  }
  salinity {
    Float64 _FillValue -1.0e+34;
    Float64 actual_range 34.6112, 36.7404;
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String comment "sea_surface_temperature is from the ship’s Hull Probe (SBT38, calibrated on Sep. 17, 2019), salinity is from the ship's SeaBird  thermosalinograph (SBE 45, calibrated on Sep. 25, 2019). The temperature probe and water inlet for the thermosalinograph were located 5.3 meters below the water line. The underway chlorophyll data are from the ship’s Seapoint fluorometer, which was calibrated by the factory on Nov. 21, 2019.";
    String epic_code "41";
    String ioos_category "Salinity";
    String long_name "Sea Surface Salinity";
    Float64 missing_value -999.0;
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
    Float64 valid_max 100.0;
    Float64 valid_min 0.0;
  }
  chlorophyll {
    Float64 _FillValue -1.0e+34;
    Float64 actual_range 0.0573893, 1.08591;
    Float64 colorBarMaximum 30.0;
    Float64 colorBarMinimum 0.03;
    String colorBarScale "Log";
    String comment "sea_surface_temperature is from the ship’s Hull Probe (SBT38, calibrated on Sep. 17, 2019), salinity is from the ship's SeaBird  thermosalinograph (SBE 45, calibrated on Sep. 25, 2019). The temperature probe and water inlet for the thermosalinograph were located 5.3 meters below the water line. The underway chlorophyll data are from the ship’s Seapoint fluorometer, which was calibrated by the factory on Nov. 21, 2019.";
    String epic_code "933";
    String ioos_category "Ocean Color";
    String long_name "Sea Surface Chlorophyll";
    Float64 missing_value -999.0;
    String standard_name "mass_concentration_of_chlorophyll_in_sea_water";
    String units "mg m-3";
    Float64 valid_max 200.0;
    Float64 valid_min 0.0;
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.7.4,hdf5=1.10.6";
    String cdm_data_type "Trajectory";
    String cdm_trajectory_variables "trajectory_id";
    String contributor_name "Coffman, Derek;Johnson, James;Quinn, Patricia;Bates, Tim;Upchurch, Lucia";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "james.e.johnson@noaa.gov";
    String creator_name "Johnson, James";
    String creator_url "https://saga.pmel.noaa.gov";
    String date_created "2020-11-30T17:24:23Z";
    Float64 Easternmost_Easting -50.9246;
    String featureType "Trajectory";
    Float64 geospatial_lat_max 15.8652;
    Float64 geospatial_lat_min 12.7865;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -50.9246;
    Float64 geospatial_lon_min -59.6588;
    String geospatial_lon_units "degrees_east";
    String history 
"file created by NOAA/PMEL/ACG
2024-05-24T17:46:33Z (local files)
2024-05-24T17:46:33Z https://data.pmel.noaa.gov/pmel/erddap/tabledap/EUREC4A_ATOMIC_RonBrown_PMEL_Seawater_v0.html";
    String infoUrl "https://saga.pmel.noaa.gov";
    String institution "NOAA PMEL Atmospheric Chemistry";
    String keywords "atmospheric, atomic, chemistry, chlorophyll, color, concentration, data, density, earth, Earth Science > Oceans > Ocean Chemistry > Chlorophyll, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Salinity/Density > Salinity, environmental, identifier, laboratory, latitude, longitude, marine, mass, mass_concentration_of_chlorophyll_in_sea_water, minute, noaa, ocean, ocean color, oceans, pacific, pmel, practical, salinity, science, sea, sea_surface_temperature, sea_water_practical_salinity, seawater, surface, temperature, time, trajectory, trajectory_id, water";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "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.";
    Float64 Northernmost_Northing 15.8652;
    String platform "RHBrown";
    String product_version "0";
    String project "ATOMIC";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 12.7865;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "trajectory_id";
    String summary "ATOMIC (Atlantic Tradewind Ocean Atmosphere Mesoscale Interaction Campaign) 2020 Field campaign: Surface meteorological and ship navigation collected from the RV Ronald H. Brown by the National Oceanic and Atmospheric Administration (NOAA) Pacific Marine Environmental Laboratory (PMEL) Atmospheric Chemistry Group in the tropical North Atlantic ocean from 2020-01-09 to 2020-02-13";
    String time_coverage_end "2020-02-11T23:59:00Z";
    String time_coverage_start "2020-01-07T18:00:00Z";
    String title "PMEL Atmospheric Chemistry ATOMIC Seawater 1 minute data";
    Float64 Westernmost_Easting -59.6588;
    Float64 Westernnmost_Easting -59.6588;
  }
}

 

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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