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Dataset Title:  Physical State of the Sea - Belgian Coastal Zone - COHERENS UKMO Subscribe RSS
Institution:  Royal Belgian Institute of Natural Sciences, Directorate Natural Environment, Marine Forecasting Centre   (Dataset ID: BCZ_HydroState_V1)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
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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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.4832288e+9, 1.7342172e+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";
    Float32 actual_range 51.0, 51.91667;
    String axis "Y";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 2.083333, 4.214285;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  bottom_baroclinic_eastward_sea_water_velocity {
    Float32 _FillValue 0.0;
    Float32 _fillValue 0.0;
    String cell_methods "sigma-level: mean";
    String coherens_name "U2ATC";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Currents";
    String long_name "Eastwards_velocity";
    Float32 missing_value 0.0;
    String standard_name "bottom_baroclinic_eastward_sea_water_velocity";
    String units "m s-1";
  }
  surface_baroclinic_eastward_sea_water_velocity {
    Float32 _FillValue 0.0;
    Float32 _fillValue 0.0;
    String cell_methods "sigma-level: mean";
    String coherens_name "U2ATC";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Currents";
    String long_name "Eastwards_velocity";
    Float32 missing_value 0.0;
    String standard_name "surface_baroclinic_eastward_sea_water_velocity";
    String units "m s-1";
  }
  bottom_baroclinic_northward_sea_water_velocity {
    Float32 _FillValue 0.0;
    Float32 _fillValue 0.0;
    String cell_methods "sigma-level: mean";
    String coherens_name "V2ATC";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Currents";
    String long_name "Northwards_velocity";
    Float32 missing_value 0.0;
    String standard_name "bottom_baroclinic_northward_sea_water_velocity";
    String units "m s-1";
  }
  surface_baroclinic_northward_sea_water_velocity {
    Float32 _FillValue 0.0;
    Float32 _fillValue 0.0;
    String cell_methods "sigma-level: mean";
    String coherens_name "V2ATC";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Currents";
    String long_name "Northwards_velocity";
    Float32 missing_value 0.0;
    String standard_name "surface_baroclinic_northward_sea_water_velocity";
    String units "m s-1";
  }
  sea_surface_height_above_sea_level {
    Float32 _FillValue 0.0;
    Float32 _fillValue 0.0;
    String coherens_name "ZETA2";
    Float64 colorBarMaximum 2.0;
    Float64 colorBarMinimum -2.0;
    String ioos_category "Sea Level";
    String long_name "Surface_elevation_above_MSL";
    Float32 missing_value 0.0;
    String standard_name "sea_surface_height_above_sea_level";
    String units "m";
  }
  sea_surface_salinity {
    Float32 _FillValue 0.0;
    Float32 _fillValue 0.0;
    String coherens_name "SSS";
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String ioos_category "Salinity";
    String long_name "Sea_surface_salinity";
    Float32 missing_value 0.0;
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  sea_surface_temperature {
    Float32 _FillValue 0.0;
    Float32 _fillValue 0.0;
    String coherens_name "SST";
    Float64 colorBarMaximum 305.0;
    Float64 colorBarMinimum 273.0;
    String ioos_category "Temperature";
    String long_name "Sea_surface_temperature";
    Float32 missing_value 0.0;
    String standard_name "sea_surface_temperature";
    String units "K";
  }
  bottom_upward_sea_water_velocity {
    Float32 _FillValue 0.0;
    Float32 _fillValue 0.0;
    String cell_methods "sigma-level: mean";
    String coherens_name "W2PHYS";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Currents";
    String long_name "Upward Vertical Velocity";
    Float32 missing_value 0.0;
    String standard_name "bottom_upward_sea_water_velocity";
    String units "m s-1";
  }
  surface_upward_sea_water_velocity {
    Float32 _FillValue 0.0;
    Float32 _fillValue 0.0;
    String cell_methods "sigma-level: mean";
    String coherens_name "W2PHYS";
    Float64 colorBarMaximum 0.5;
    Float64 colorBarMinimum -0.5;
    String ioos_category "Currents";
    String long_name "Upward Vertical Velocity";
    Float32 missing_value 0.0;
    String standard_name "surface_upward_sea_water_velocity";
    String units "m s-1";
  }
  NC_GLOBAL {
    String CDI "Climate Data Interface version 1.9.6 (https://code.mpimet.mpg.de/projects/cdi)";
    String cdm_data_type "Grid";
    String CDO "Climate Data Operators version 1.9.6 (https://code.mpimet.mpg.de/projects/cdo)";
    String comments "Visit the website of the MFC at http://www.marineforecasts.be";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creation_date "Dataset updated twice daily";
    String creator_name "MFC ODNature RBINS";
    String creator_type "institution";
    Float64 Easternmost_Easting 4.214285;
    Float64 geospatial_lat_max 51.91667;
    Float64 geospatial_lat_min 51.0;
    Float64 geospatial_lat_resolution 0.006944469696969723;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 4.214285;
    Float64 geospatial_lon_min 2.083333;
    Float64 geospatial_lon_resolution 0.011904759776536314;
    String geospatial_lon_units "degrees_east";
    String history 
"Operational Forecasts based on model COHERENS V1 (v8.7). For more info on the COHERENS model, please visit http://odnature.naturalsciences.be/coherens/
2024-12-11T10:40:17Z (local files)
2024-12-11T10:40:17Z https://erddap.naturalsciences.be/griddap/BCZ_HydroState_V1.das";
    String history_of_appended_files 
"Tue Dec 10 20:22:06 2024: Appended file /home/optos/optos_bcz/spool/tmp20241214_202412140000.nc had following \"history\" attribute:
Tue Dec 10 20:22:06 2024: ncpdq -a time,sigma-level,lat,lon -v baroclinic_eastward_sea_water_velocity /home/optos/best_hydro/results/MUMM_bcz_baroclinic_eastward_sea_water_velocity_202412140000.nc /home/optos/optos_bcz/spool/tmp20241214_202412140000.nc
";
    String infoUrl "http://www.marineforecasts.be";
    String institution "Royal Belgian Institute of Natural Sciences, Directorate Natural Environment, Marine Forecasting Centre";
    String keywords "baroclinic, bottom_baroclinic_eastward_sea_water_velocity, bottom_baroclinic_northward_sea_water_velocity, bottom_upward_sea_water_velocity, climate, coherens, currents, data, density, earth, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Salinity/Density > Salinity, Earth Science > Oceans > Sea Surface Topography > Sea Surface Height, eastward, eastwards, elevation, forecast, forecasts, height, level, mean, mfc, msl, national, northward, northwards, nos, ocean, oceans, odnature, practical, rbins, salinity, science, sea, sea level, sea_surface_height_above_sea_level, sea_surface_salinity, sea_surface_temperature, sea_water_practical_salinity, seawater, service, surface, surface_baroclinic_eastward_sea_water_velocity, surface_baroclinic_northward_sea_water_velocity, surface_upward_sea_water_velocity, temperature, time, topography, upward, velocity, vertical, water, www.naturalsciences.be";
    String keywords_vocabulary "GCMD Science Keywords";
    String license 
"This dataset is licensed under a <b>Creative Commons Attribution 4.0 International License</b>. <br/>
<a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\"><img alt=\"Creative Commons License\" style=\"border-width:0\" src=\"https://i.creativecommons.org/l/by/4.0/88x31.png\" /></a>

This means you are free to share and adapt the licensed material, but you must give RBINS/MFC appropriate credits, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. In addition, you may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.";
    String NCO "netCDF Operators version 4.7.9 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)";
    Float64 Northernmost_Northing 51.91667;
    String source "optos based on COHERENS V1 (v8.7)";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 51.0;
    String standard_name_vocabulary "CF Standard Name Table v29";
    String summary "This dataset contains the operational 3D baroclinic hydrodynamical COHERENS forecasts for the Belgian part of the North Sea. The domain covers the latitudes 51 to 51.9 and the longitudes 2.1 to 4.2 The grid has a resolution of 1.2e-2 deg in longitude and 6.9e-3 deg in latitude. The data is provided every hour. The sea surface is forced by the 6-hourly meteo forecasts provided by the UKMO";
    String time_coverage_end "2024-12-14T23:00:00Z";
    String time_coverage_start "2017-01-01T00:00:00Z";
    String title "Physical State of the Sea - Belgian Coastal Zone - COHERENS UKMO";
    Float64 Westernmost_Easting 2.083333;
  }
}

 

Using griddap to Request Data and Graphs from Gridded Datasets

griddap lets you request a data subset, graph, or map from a gridded dataset (for example, sea surface temperature data from a satellite), via a specially formed URL. griddap uses the OPeNDAP (external link) Data Access Protocol (DAP) (external link) and its projection 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.

griddap request URLs must be in the form
https://coastwatch.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://coastwatch.pfeg.noaa.gov/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2002-06-01T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a data variable name (e.g., analysed_sst), followed by [(start):stride:(stop)] (or a shorter variation of that) for each of the variable's dimensions (for example, [time][latitude][longitude]).

For details, see the griddap Documentation.


 
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