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Dataset Title:  Coastal Endurance: Washington Shelf Surface Mooring: Near Surface Instrument
Frame: Seawater pH
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Institution:  Ocean Observatories Initiative (OOI)   (Dataset ID: ooi-ce07shsm-rid26-06-phsend000)
Range: longitude = -124.55202 to -124.55202°E, latitude = 46.98472 to 46.98472°N, time = 2015-04-05T17:30:00Z to 2024-12-04T02:30:00Z
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | 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 {
  time {
    UInt32 _ChunkSizes 512;
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.428255e+9, 1.7332794e+9;
    String axis "T";
    String calendar "gregorian";
    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";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 46.98472, 46.98472;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -124.55202, -124.55202;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  z {
    UInt32 _ChunkSizes 510;
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float64 _FillValue NaN;
    Float64 actual_range 0.0, 0.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Altitude";
    String positive "up";
    String standard_name "altitude";
    String units "m";
  }
  sea_water_practical_salinity {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range 22.6713996515, 33.2816986554;
    String ancillary_variables "sea_water_practical_salinity_qc_agg sea_water_practical_salinity_qc_tests";
    String id "1019880";
    String ioos_category "Other";
    String long_name "Salinity";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "sea_water_practical_salinity";
    String standard_name "sea_water_practical_salinity";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_practical_salinity";
    String units "1e-3";
  }
  sea_water_practical_salinity_qc_agg {
    UInt32 _ChunkSizes 4096;
    Int32 _FillValue -127;
    Int32 actual_range 2, 4;
    String flag_meanings "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Int32 flag_values 1, 2, 3, 4, 9;
    String ioos_category "Other";
    String long_name "Salinity QARTOD Aggregate Quality Flag";
    Int32 missing_value -127;
    String references "http://oceanobservatories.org/quality-control/";
    String short_name "sea_water_practical_salinity_qc_agg";
    String standard_name "aggregate_quality_flag";
  }
  sea_water_practical_salinity_qc_tests {
    UInt32 _ChunkSizes 512;
    Int32 _FillValue 0;
    String comment "11-character string with results of individual QARTOD tests. 1: Gap Test, 2: Syntax Test, 3: Location Test, 4: Gross Range Test, 5: Climatology Test, 6: Spike Test, 7: Rate of Change Test, 8: Flat-line Test, 9: Multi-variate Test, 10: Attenuated Signal Test, 11: Neighbor Test";
    String flag_meanings "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Int32 flag_values 1, 2, 3, 4, 9;
    String ioos_category "Other";
    String long_name "Salinity QARTOD Individual Tests";
    String references "http://oceanobservatories.org/quality-control/";
    String short_name "sea_water_practical_salinity_qc_tests";
    String standard_name "sea_water_practical_salinity quality_flag";
  }
  sea_water_ph_reported_on_total_scale {
    UInt32 _ChunkSizes 512;
    Float64 _FillValue -9999.0;
    Float64 actual_range -6.4740685872, 16.7742191415;
    String ancillary_variables "sea_water_ph_reported_on_total_scale_qc_agg sea_water_ph_reported_on_total_scale_qc_tests";
    String id "1019881";
    String ioos_category "Other";
    String long_name "pH";
    Float64 missing_value -9999.0;
    String platform "station";
    String short_name "sea_water_ph_reported_on_total_scale";
    String standard_name "sea_water_ph_reported_on_total_scale";
    String standard_name_url "http://mmisw.org/ont/cf/parameter/sea_water_ph_reported_on_total_scale";
    String units "1";
  }
  sea_water_ph_reported_on_total_scale_qc_agg {
    UInt32 _ChunkSizes 4096;
    Int32 _FillValue -127;
    Int32 actual_range 1, 4;
    String flag_meanings "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Int32 flag_values 1, 2, 3, 4, 9;
    String ioos_category "Other";
    String long_name "pH QARTOD Aggregate Quality Flag";
    Int32 missing_value -127;
    String references "http://oceanobservatories.org/quality-control/";
    String short_name "sea_water_ph_reported_on_total_scale_qc_agg";
    String standard_name "aggregate_quality_flag";
  }
  sea_water_ph_reported_on_total_scale_qc_tests {
    UInt32 _ChunkSizes 512;
    Int32 _FillValue 0;
    String comment "11-character string with results of individual QARTOD tests. 1: Gap Test, 2: Syntax Test, 3: Location Test, 4: Gross Range Test, 5: Climatology Test, 6: Spike Test, 7: Rate of Change Test, 8: Flat-line Test, 9: Multi-variate Test, 10: Attenuated Signal Test, 11: Neighbor Test";
    String flag_meanings "PASS NOT_EVALUATED SUSPECT FAIL MISSING";
    Int32 flag_values 1, 2, 3, 4, 9;
    String ioos_category "Other";
    String long_name "pH QARTOD Individual Tests";
    String references "http://oceanobservatories.org/quality-control/";
    String short_name "sea_water_ph_reported_on_total_scale_qc_tests";
    String standard_name "sea_water_ph_reported_on_total_scale quality_flag";
  }
  station {
    String cf_role "timeseries_id";
    String ioos_category "Identifier";
    String ioos_code "urn:ioos:station:com.axiomdatascience:103824";
    String long_name "Coastal Endurance: Washington Shelf Surface Mooring: Near Surface Instrument Frame: Seawater pH";
    String short_name "ooi-ce07shsm-rid26-06-phsend000";
    String type "buoy";
  }
 }
  NC_GLOBAL {
    String _NCProperties "version=2,netcdf=4.7.4,hdf5=1.10.6";
    String cdm_data_type "TimeSeries";
    String cdm_timeseries_variables "station,longitude,latitude";
    String contributor_email "feedback@axiomdatascience.com";
    String contributor_name "Axiom Data Science";
    String contributor_role "processor";
    String contributor_role_vocabulary "NERC";
    String contributor_url "https://www.axiomdatascience.com";
    String Conventions "IOOS-1.2, CF-1.6, ACDD-1.3";
    String creator_institution "Ocean Observatories Initiative (OOI)";
    String creator_name "Ocean Observatories Initiative (OOI)";
    String creator_sector "gov_federal";
    String creator_type "institution";
    String creator_url "https://oceanobservatories.org/";
    String defaultDataQuery "sea_water_ph_reported_on_total_scale,sea_water_ph_reported_on_total_scale_qc_agg,z,time,sea_water_practical_salinity_qc_agg,sea_water_practical_salinity&time>=max(time)-3days";
    Float64 Easternmost_Easting -124.55202;
    String featureType "TimeSeries";
    Float64 geospatial_lat_max 46.98472;
    Float64 geospatial_lat_min 46.98472;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -124.55202;
    Float64 geospatial_lon_min -124.55202;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 0.0;
    Float64 geospatial_vertical_min 0.0;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_units "m";
    String history 
"Downloaded from Ocean Observatories Initiative (OOI) at https://ooinet.oceanobservatories.org/data_access/?search=CE07SHSM-RID26-06-PHSEND000
2024-12-10T01:16:46Z https://ooinet.oceanobservatories.org/data_access/?search=CE07SHSM-RID26-06-PHSEND000
2024-12-10T01:16:46Z https://erddap.dataexplorer.oceanobservatories.org/tabledap/ooi-ce07shsm-rid26-06-phsend000.das";
    Int32 id 103824;
    String infoUrl "https://sensors.ioos.us/#metadata/103824/station";
    String institution "Ocean Observatories Initiative (OOI)";
    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.";
    String naming_authority "com.axiomdatascience";
    Float64 Northernmost_Northing 46.98472;
    String platform "buoy";
    String platform_name "Coastal Endurance: Washington Shelf Surface Mooring: Near Surface Instrument Frame: Seawater pH";
    String platform_vocabulary "http://mmisw.org/ont/ioos/platform";
    String processing_level "Level 2";
    String publisher_institution "Ocean Observatories Initiative (OOI)";
    String publisher_name "Ocean Observatories Initiative (OOI)";
    String publisher_sector "gov_federal";
    String publisher_type "institution";
    String publisher_url "https://oceanobservatories.org/";
    String references "https://ooinet.oceanobservatories.org/data_access/?search=CE07SHSM-RID26-06-PHSEND000,https://ooinet.oceanobservatories.org/data_access/?search=CE07SHSM-RID26-06-PHSEND000,http://oceanobservatories.org/quality-control/";
    String sourceUrl "https://ooinet.oceanobservatories.org/data_access/?search=CE07SHSM-RID26-06-PHSEND000";
    Float64 Southernmost_Northing 46.98472;
    String standard_name_vocabulary "CF Standard Name Table v72";
    String station_id "103824";
    String summary "Timeseries data from 'Coastal Endurance: Washington Shelf Surface Mooring: Near Surface Instrument Frame: Seawater pH' (ooi-ce07shsm-rid26-06-phsend000)";
    String time_coverage_end "2024-12-04T02:30:00Z";
    String time_coverage_start "2015-04-05T17:30:00Z";
    String title "Coastal Endurance: Washington Shelf Surface Mooring: Near Surface Instrument Frame: Seawater pH";
    Float64 Westernmost_Easting -124.55202;
  }
}

 

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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