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ERDDAP
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Dataset Title: | 44258 Halifax Harbour
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Institution: | Environment Canada (Dataset ID: ca_weather_44258) |
Information: | Summary ![]() ![]() ![]() |
Attributes { s { time { String _CoordinateAxisType "Time"; Float64 actual_range 1.4308308e+9, 1.5507108e+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"; } latitude { String _CoordinateAxisType "Lat"; Float64 actual_range 44.5, 44.5; String axis "Y"; String ioos_category "Location"; String long_name "Latitude"; String standard_name "latitude"; String units "degrees_north"; } longitude { String _CoordinateAxisType "Lon"; Float64 actual_range -63.4, -63.4; String axis "X"; String ioos_category "Location"; String long_name "Longitude"; String standard_name "longitude"; String units "degrees_east"; } station { String cf_role "timeseries_id"; String ioos_category "Identifier"; } wind_speed { Float64 _FillValue -9999.99; String ioos_category "Other"; String long_name "Wind Speed"; Float64 missing_value -9999.99; String standard_name "wind_speed"; String units "knot"; String urn "http://mmisw.org/ont/cf/parameter/wind_speed"; } sea_surface_dominant_wave_period { Float64 _FillValue -9999.99; String ioos_category "Other"; String long_name "Dominant Wave Period"; Float64 missing_value -9999.99; String standard_name "sea_surface_dominant_wave_period"; String units "s"; String urn "http://mmisw.org/ont/fake/parameter/sea_surface_dominant_wave_period"; } air_pressure { Float64 _FillValue -9999.99; String ioos_category "Other"; String long_name "Barometric Pressure"; Float64 missing_value -9999.99; String standard_name "air_pressure"; String units "millibars"; String urn "http://mmisw.org/ont/cf/parameter/air_pressure"; } wind_from_direction { Float64 _FillValue -9999.99; String ioos_category "Other"; String long_name "Wind From Direction"; Float64 missing_value -9999.99; String standard_name "wind_from_direction"; String units "degrees"; String urn "http://mmisw.org/ont/cf/parameter/wind_from_direction"; } sea_water_temperature { Float64 _FillValue -9999.99; String ioos_category "Other"; String long_name "Water Temperature"; Float64 missing_value -9999.99; String standard_name "sea_water_temperature"; String units "degree_Fahrenheit"; String urn "http://mmisw.org/ont/cf/parameter/sea_water_temperature"; } sea_surface_wave_significant_height { Float64 _FillValue -9999.99; String ioos_category "Other"; String long_name "Significant Wave Height"; Float64 missing_value -9999.99; String standard_name "sea_surface_wave_significant_height"; String units "ft"; String urn "http://mmisw.org/ont/cf/parameter/sea_surface_wave_significant_height"; } wind_speed_of_gust { Float64 _FillValue -9999.99; String ioos_category "Other"; String long_name "Wind Gust"; Float64 missing_value -9999.99; String standard_name "wind_speed_of_gust"; String units "knot"; String urn "http://mmisw.org/ont/cf/parameter/wind_speed_of_gust"; } air_temperature { Float64 _FillValue -9999.99; String ioos_category "Other"; String long_name "Air Temperature"; Float64 missing_value -9999.99; String standard_name "air_temperature"; String units "degree_Fahrenheit"; String urn "http://mmisw.org/ont/cf/parameter/air_temperature"; } depth { String _CoordinateAxisType "Height"; String _CoordinateZisPositive "down"; Float64 actual_range 0.0, 0.0; String axis "Z"; String ioos_category "Location"; String long_name "Depth"; String positive "down"; String standard_name "depth"; String units "m"; } } NC_GLOBAL { String cdm_data_type "TimeSeries"; String cdm_timeseries_variables "wind_speed,sea_surface_dominant_wave_period,air_pressure,wind_from_direction,sea_water_temperature,sea_surface_wave_significant_height,wind_speed_of_gust,air_temperature"; String Conventions "COARDS, CF-1.6, ACDD-1.3, NCCSV-1.0"; Float64 Easternmost_Easting -63.4; String featureType "TimeSeries"; Float64 geospatial_lat_max 44.5; Float64 geospatial_lat_min 44.5; String geospatial_lat_units "degrees_north"; Float64 geospatial_lon_max -63.4; Float64 geospatial_lon_min -63.4; String geospatial_lon_units "degrees_east"; Float64 geospatial_vertical_max 0.0; Float64 geospatial_vertical_min 0.0; String geospatial_vertical_positive "down"; String geospatial_vertical_units "m"; String history "2019-02-21T04:19:34Z http://sensors.axds.co/stationsensorservice/ 2019-02-21T04:19:34Z http://erddap.sensors.ioos.us/erddap/tabledap/ca_weather_44258.html"; String infoUrl "http://axiomdatascience.com"; String institution "Environment Canada"; 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 44.5; String sourceUrl "http://sensors.axds.co/stationsensorservice/"; Float64 Southernmost_Northing 44.5; String summary "Timeseries data from '(44258) Halifax Harbour' (urn:ioos:station:ca.weather:44258)"; String time_coverage_end "2019-02-21T01:00:00Z"; String time_coverage_start "2015-05-05T13:00:00Z"; String title "44258 Halifax Harbour"; Float64 Westernmost_Easting -63.4; } }
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.