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ERDDAP > tabledap > Make A Graph ?

Dataset Title:  West Coast Observing System (WCOS) ADCP Station Data, 2004-2008 Subscribe RSS
Institution:  NOAA NMSP   (Dataset ID: nmspWcosAdcpS)
Range: longitude = -120.35229 to -119.66934°E, latitude = 33.89511 to 34.059277°N, time = 2004-10-11T16:11:53Z to 2008-07-02T09:37:35Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
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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 {
  station {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String long_name "Station";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 actual_range -120.352284, -119.66934;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 actual_range 33.89511, 34.059275;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.097511113e+9, 1.214991455e+9;
    String axis "T";
    String cf_role "profile_id";
    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";
  }
  Pressure {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float64 _FillValue 9999.0;
    Float64 actual_range 14.896, 19.718;
    String axis "Z";
    Float64 colorBarMaximum 5000.0;
    Float64 colorBarMinimum 0.0;
    String description "pressure measured at the ADCP sensor, measured in decibars with a precision defined as the effective resolution of the instrument.";
    String ioos_category "Pressure";
    String long_name "Sea Water Pressure";
    String standard_name "sea_water_pressure";
    String units "dbar";
  }
  Pressure_flag {
    Byte actual_range 0, 0;
    String description "flag for data column, 0: no problems, 1: bad data due to malfunction or fouling, 2: suspicious data, 9: missing data";
    String ioos_category "Quality";
    String long_name "Pressure Flag";
    String standard_name "sea_water_pressure status_flag";
  }
  Temperature {
    Float64 _FillValue 9999.0;
    Float64 actual_range 9.11, 23.31;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String description "seawater temperature from ADCP sensor";
    String ioos_category "Temperature";
    String long_name "Sea Water Temperature";
    String quantity "Temperature";
    String standard_name "sea_water_temperature";
    String units "degree_C";
  }
  Temperature_flag {
    Byte actual_range 0, 9;
    String description "flag for data column, 0: no problems, 1: bad data due to malfunction or fouling, 2: suspicious data, 9: missing data";
    String ioos_category "Quality";
    String long_name "Temperature Flag";
    String standard_name "sea_water_temperature status_flag";
  }
  WaterDepth {
    Float64 _FillValue 9999.0;
    Float64 actual_range 15.4, 20.2;
    String description "Fluctuating water depth (sea floor to sea surface distance) at measurement site, in meters, as determined by location of sea surface from ADCP pressure measurements,or if pressure is unavailable, the maximum in ADCP echo intensity.";
    String ioos_category "Bathymetry";
    String long_name "Water Depth";
    String positive "down";
    String standard_name "sea_floor_depth_below_sea_level";
    String units "m";
  }
  WaterDepth_flag {
    Byte actual_range 0, 0;
    String description "flag for data column, 0: no problems, 1: bad data due to malfunction or fouling, 2: suspicious data, 9: missing data";
    String ioos_category "Quality";
    String long_name "Water Depth Flag";
  }
 }
  NC_GLOBAL {
    String cdm_altitude_proxy "Pressure";
    String cdm_data_type "TimeSeriesProfile";
    String cdm_profile_variables "time";
    String cdm_timeseries_variables "station, longitude, latitude";
    String Conventions "COARDS, CF-1.6, ACDD-1.3";
    Float64 Easternmost_Easting -119.66934;
    String featureType "TimeSeriesProfile";
    Float64 geospatial_lat_max 34.059275;
    Float64 geospatial_lat_min 33.89511;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -119.66934;
    Float64 geospatial_lon_min -120.352284;
    String geospatial_lon_units "degrees_east";
    String history 
"Created by the NCDDC PISCO ADCP Profile to converter on 2009/00/11 15:00 CST.
2018-08-15T12:44:33Z https://data.nodc.noaa.gov/thredds/catalog/nmsp/wcos/catalog.html
2018-08-15T12:44:33Z http://coastwatch.pfeg.noaa.gov/tabledap/nmspWcosAdcpS.das";
    String infoUrl "ftp://ftp.nodc.noaa.gov/nodc/archive/arc0006/0002039/1.1/about/WCOS_project_document_phaseI_20060317.pdf";
    String institution "NOAA NMSP";
    String keywords "adcp, bathymetry, below, coast, data, depth, Earth Science > Oceans > Bathymetry/Seafloor Topography > Bathymetry, Earth Science > Oceans > Ocean Pressure > Water Pressure, Earth Science > Oceans > Ocean Temperature > Water Temperature, flag, floor, identifier, level, nmsp, noaa, observing, ocean, oceans, pressure, sea, sea_floor_depth_below_sea_level, sea_water_pressure, sea_water_pressure status_flag, sea_water_temperature, sea_water_temperature status_flag, seafloor, seawater, station, status, system, temperature, time, topography, water, wcos, west, west coast";
    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 34.059275;
    String sourceUrl "https://data.nodc.noaa.gov/thredds/catalog/nmsp/wcos/catalog.html";
    Float64 Southernmost_Northing 33.89511;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String subsetVariables "station, longitude, latitude";
    String summary 
"The West Coast Observing System (WCOS) project provides access to temperature and currents data collected at four of the five National Marine Sanctuary sites, including Olympic Coast, Gulf of the Farallones, Monterey Bay, and Channel Islands. A semi-automated end-to-end data management system transports and transforms the data from source to archive, making the data acessible for discovery, access and analysis from multiple Internet points of entry.

The stations (and their code names) are San Miguel North (BAY), Santa Rosa North (BEA), Cuyler Harbor (CUY), Pelican/Prisoners Area (PEL), San Miguel South (SMS), Santa Rosa South (SRS), Valley Anch (VAL).";
    String time_coverage_end "2008-07-02T09:37:35Z";
    String time_coverage_start "2004-10-11T16:11:53Z";
    String title "West Coast Observing System (WCOS) ADCP Station Data, 2004-2008";
    String Version "2";
    Float64 Westernmost_Easting -120.352284;
  }
}

 

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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