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Dataset Title: | PRELUDE LAKE NEAR YELLOWKNIFE |
Institution: | Canada Water Office (Dataset ID: ca_hydro_07SB017) |
Range: | longitude = -113.9735 to -113.9735°E, latitude = 62.58364 to 62.58364°N, time = 2019-10-01T00:00:00Z to 2024-11-14T19:30:00Z |
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Attributes { s { time { UInt32 _ChunkSizes 512; String _CoordinateAxisType "Time"; Float64 actual_range 1.569888e+9, 1.7316126e+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 62.58364, 62.58364; 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 -113.9735, -113.9735; String axis "X"; String ioos_category "Location"; String long_name "Longitude"; String standard_name "longitude"; String units "degrees_east"; } z { UInt32 _ChunkSizes 512; 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"; } water_surface_height_above_reference_datum_geoid_localstationdatum { UInt32 _ChunkSizes 512; Float64 _FillValue -9999.0; Float64 actual_range 1.0, 169.156; String ancillary_variables "water_surface_height_above_reference_datum_geoid_localstationdatum_qc_agg water_surface_height_above_reference_datum_geoid_localstationdatum_qc_tests"; String id "1002903"; String ioos_category "Other"; String long_name "Water Surface Height above Datum"; Float64 missing_value -9999.0; String platform "station"; String short_name "water_surface_height_above_reference_datum"; String standard_name "water_surface_height_above_reference_datum"; String standard_name_url "http://mmisw.org/ont/cf/parameter/water_surface_height_above_reference_datum"; String units "m"; String vertical_datum "LOCALSTATIONDATUM"; } water_surface_height_above_reference_datum_geoid_localstationdatum_qc_agg { UInt32 _ChunkSizes 4096; Int32 _FillValue -127; Int32 actual_range 2, 2; String flag_meanings "PASS NOT_EVALUATED SUSPECT FAIL MISSING"; Int32 flag_values 1, 2, 3, 4, 9; String ioos_category "Other"; String long_name "Water Surface Height above Datum QARTOD Aggregate Quality Flag"; Int32 missing_value -127; String short_name "water_surface_height_above_reference_datum_qc_agg"; String standard_name "aggregate_quality_flag"; } water_surface_height_above_reference_datum_geoid_localstationdatum_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 "Water Surface Height above Datum QARTOD Individual Tests"; String short_name "water_surface_height_above_reference_datum_qc_tests"; String standard_name "water_surface_height_above_reference_datum quality_flag"; } station { String cf_role "timeseries_id"; String ioos_category "Identifier"; String ioos_code "urn:ioos:station:com.axiomdatascience:101993"; String long_name "PRELUDE LAKE NEAR YELLOWKNIFE"; String short_name "ca_hydro_07SB017"; String type "fixed"; } } NC_GLOBAL { 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, NCCSV-1.2"; String creator_country "CAN"; String creator_email "None"; String creator_institution "Canada Water Office"; String creator_name "Canada Water Office"; String creator_sector "gov_federal"; String creator_type "institution"; String creator_url "https://wateroffice.ec.gc.ca/"; String defaultDataQuery "water_surface_height_above_reference_datum_geoid_localstationdatum_qc_agg,z,time,water_surface_height_above_reference_datum_geoid_localstationdatum&time>=max(time)-3days"; Float64 Easternmost_Easting -113.9735; String featureType "TimeSeries"; Float64 geospatial_lat_max 62.58364; Float64 geospatial_lat_min 62.58364; String geospatial_lat_units "degrees_north"; Float64 geospatial_lon_max -113.9735; Float64 geospatial_lon_min -113.9735; 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 Canada Water Office at https://dd.weather.gc.ca/hydrometric/ 2024-11-15T00:07:56Z https://dd.weather.gc.ca/hydrometric/ 2024-11-15T00:07:56Z http://erddap.aoos.org/tabledap/ca_hydro_07SB017.das"; Int32 id 101993; String infoUrl "https://sensors.ioos.us/#metadata/101993/station"; String institution "Canada Water Office"; 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 62.58364; String platform "fixed"; String platform_name "PRELUDE LAKE NEAR YELLOWKNIFE"; String platform_vocabulary "http://mmisw.org/ont/ioos/platform"; String processing_level "Level 2"; String publisher_country "CAN"; String publisher_email "None"; String publisher_institution "Canada Water Office"; String publisher_name "Canada Water Office"; String publisher_sector "gov_federal"; String publisher_type "institution"; String publisher_url "https://wateroffice.ec.gc.ca/"; String references "https://wateroffice.ec.gc.ca/report/real_time_e.html?stn=07SB017,https://dd.weather.gc.ca/hydrometric/,"; String sourceUrl "https://dd.weather.gc.ca/hydrometric/"; Float64 Southernmost_Northing 62.58364; String standard_name_vocabulary "CF Standard Name Table v72"; String station_id "101993"; String summary "Timeseries data from 'PRELUDE LAKE NEAR YELLOWKNIFE' (ca_hydro_07SB017)"; String time_coverage_end "2024-11-14T19:30:00Z"; String time_coverage_start "2019-10-01T00:00:00Z"; String title "PRELUDE LAKE NEAR YELLOWKNIFE"; Float64 Westernmost_Easting -113.9735; } }
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.