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Dataset Title:  EMODnet Digital Bathymetry (DTM 2020) - FULL - NetCDF Subscribe RSS
Institution:  On behalf of the EMODnet project, http://www.emodnet-bathymetry.eu/.   (Dataset ID: emodnet_bathy_2020_full)
Range: longitude = -35.999477 to 42.999477°E, latitude = 15.000521 to 89.99948°N, altitude = -8106.423 to 99997.0m
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Subset | Data Access Form | Files
 
Graph Type:  ?
X Axis: 
Y Axis: 
Color: 
-1+1
 
Constraints ? Optional
Constraint #1 ?
Optional
Constraint #2 ?
       
       
       
       
       
 
Server-side Functions ?
 distinct() ?
? ("Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.Hover here to see a list of options. Click on an option to select it.")
 
Graph Settings
Marker Type:   Size: 
Color: 
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Draw land mask: 
Y Axis Minimum:   Maximum:   
 
(Please be patient. It may take a while to get the data.)
 
Optional:
Then set the File Type: (File Type information)
and
or view the URL:
(Documentation / Bypass this form ? )
    Click on the map to specify a new center point. ?
Zoom: 
[The graph you specified. Please be patient.]

 

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 {
  longitude {
    String _CoordinateAxisType "Lon";
    Float64 _FillValue NaN;
    Float64 actual_range -35.99947916666667, 42.999479166657686;
    String axis "X";
    Float64 colorBarMaximum 180.0;
    Float64 colorBarMinimum -180.0;
    String ioos_category "Location";
    String long_name "Longitude";
    String sdn_P02_urn "SDN:P02::ALAT";
    String sdn_parameter_name "Longitude east";
    String sdn_parameter_urn "SDN:P01::ALONZZ01";
    String sdn_uom_name "Degrees east";
    String sdn_uom_urn "SDN:P06::DEGE";
    String standard_name "longitude";
    String units "degrees_east";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float64 _FillValue NaN;
    Float64 actual_range 15.000520833333335, 89.99947916665815;
    String axis "Y";
    Float64 colorBarMaximum 90.0;
    Float64 colorBarMinimum -90.0;
    String ioos_category "Location";
    String long_name "Latitude";
    String sdn_P02_urn "SDN:P02::ALAT";
    String sdn_parameter_name "Latitude north";
    String sdn_parameter_urn "SDN:P01::ALATZZ01";
    String sdn_uom_name "Degrees north";
    String sdn_uom_urn "SDN:P06::DEGN";
    String standard_name "latitude";
    String units "degrees_north";
  }
  crs {
    Float64 _FillValue 9.969209968386869e+36;
    String comment "see Appendix F of cf convention 1.6";
    String epsg_code "EPSG:4326";
    String grid_mapping_name "latitude_longitude";
    Float64 inverse_flattening 298.257223563;
    String ioos_category "Unknown";
    String long_name "grid mapping";
    Float64 semi_major_axis 6378137.0;
  }
  altitude {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "up";
    Float32 _FillValue NaN;
    Float32 actual_range -8106.423, 99997.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Elevation relative to sea level";
    Float32 missing_value NaN;
    String positive "up";
    String sdn_P02_urn "SDN:P02::MBAN";
    String sdn_parameter_name "Sea-floor height (above Lowest Astronomical Tide datum) {bathymetric height}";
    String sdn_parameter_urn "SDN:P01::HGHTALAT";
    String sdn_uom_name "Metres";
    String sdn_uom_urn "SDN:P06::ULAA";
    String source_name "elevation";
    String standard_name "altitude";
    String units "m";
  }
  value_count {
    Int32 _FillValue -1;
    Int32 actual_range -32756, 3599927;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Number of values used to compute the resulting elevation over the cell";
    Int32 valid_range 0, 2147483646;
  }
  cdi_index {
    Int32 _FillValue -1;
    Int32 actual_range 0, 40000;
    String ancillary_variables "cdi_reference";
    String ioos_category "Unknown";
    String long_name "CDI index of this cell. matching CDI information is retrieved from cdi_reference variable";
  }
  interpolation_flag {
    Byte _FillValue 127;
    String _Unsigned "false";
    Byte actual_range 0, 1;
    Float64 colorBarMaximum 1.5;
    Float64 colorBarMinimum 0.0;
    String flag_meaning "not_interpolated interpolated";
    Byte flag_values 0, 1;
    String ioos_category "Quality";
    String long_name "Indicator of cell processed as extrapolation of the neighbouring cells (absence of real soundings data).";
    Byte valid_range 0, 1;
  }
  elevation_max {
    Float32 _FillValue NaN;
    Float32 actual_range -142884.0, 240.6;
    String ioos_category "Location";
    String long_name "max elevation value over a cell, relative to Lowest Astronomical Tide";
    Float32 missing_value NaN;
    String sdn_uom_name "Metres";
    String sdn_uom_urn "SDN:P06::ULAA";
    String standard_name "altitude";
    String units "m";
  }
  elevation_min {
    Float32 _FillValue NaN;
    Float32 actual_range -142884.0, 234.84;
    String ioos_category "Location";
    String long_name "min elevation value over a cell, relative to Lowest Astronomical Tide";
    Float32 missing_value NaN;
    String sdn_uom_name "Metres";
    String sdn_uom_urn "SDN:P06::ULAA";
    String standard_name "altitude";
    String units "m";
  }
  stdev {
    Float32 _FillValue NaN;
    Float32 actual_range -1.0, 696832.7;
    Float64 colorBarMaximum 50.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Statistics";
    String long_name "Standard Deviation of elevation data over cell";
    Float32 missing_value NaN;
    String sdn_uom_name "Metres";
    String sdn_uom_urn "SDN:P06::ULAA";
    String units "m";
  }
 }
  NC_GLOBAL {
    String cdm_data_type "Other";
    String comment "The data in the EMODnet Grid should not be used for navigation or any purpose relating to safety at sea.";
    String Conventions "SeaDataNet_1.0 CF1.6, COARDS, ACDD-1.3";
    String creator_name "SeaDataNet";
    String creator_url "https://www.seadatanet.org/";
    String dtm_convention_version "1.0";
    Float64 Easternmost_Easting 42.999479166657686;
    Float64 geospatial_lat_max 89.99947916665815;
    Float64 geospatial_lat_min 15.000520833333335;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 42.999479166657686;
    Float64 geospatial_lon_min -35.99947916666667;
    String geospatial_lon_units "degrees_east";
    Float64 geospatial_vertical_max 99997.0;
    Float64 geospatial_vertical_min -8106.423;
    String geospatial_vertical_positive "up";
    String geospatial_vertical_units "m";
    String grid_mapping_comment "see Appendix F of cf convention 1.6";
    String grid_mapping_epsg_code "EPSG:4326";
    Float64 grid_mapping_inverse_flattening 298.257223563;
    String grid_mapping_long_name "grid mapping";
    String grid_mapping_name "latitude_longitude";
    Float64 grid_mapping_semi_major_axis 6378137.0;
    String history 
"Tue Aug 29 07:27:14 2023: ncea -d lat,53.42,53.42 -d lon,-10.866,-10.866 D3_2020.nc out_fred3.nc
NetCDF file created with NC_Makegrid version 1.0 (Dec 2020)
2024-05-26T23:39:43Z (local files)
2024-05-26T23:39:43Z https://erddap.emodnet.eu/tabledap/emodnet_bathy_2020_full.das";
    String infoUrl "https://www.seadatanet.org/";
    String institution "On behalf of the EMODnet project, http://www.emodnet-bathymetry.eu/.";
    String keywords "absence, altitude, astronomical, atmosphere, bathymetry.eu, behalf, cdi, cdi_index, cell, cells, compute, crs, data, deviation, earth, Earth Science > Atmosphere > Altitude > Station Height, elevation, elevation_max, elevation_min, emodnet, extrapolation, grid, height, index, indicator, information, interpolation_flag, latitude, longitude, lowest, mapping, matching, max, min, neighbouring, number, over, processed, project, quality, real, reference, relative, resulting, retrieved, science, soundings, standard, standard deviation, station, statistics, stdev, tide, used, value, value_count, values, variable, www.emodnet, www.emodnet-bathymetry.eu";
    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.";
    String NCO "netCDF Operators version 4.9.1 (Homepage = http://nco.sf.net, Code = https://github.com/nco/nco)";
    Float64 Northernmost_Northing 89.99947916665815;
    String references "WORK IN PROGRESS 2020 lastest release is DOI: 10.12770/18ff0d48-b203-4a65-94a9-5fd8b0ec35f6";
    String source "source of the data can be found in the dataset or in the documentation available from  http://www.emodnet-bathymetry.eu/";
    String sourceUrl "(local files)";
    Float64 Southernmost_Northing 15.000520833333335;
    String standard_name_vocabulary "CF Standard Name Table v70";
    String subsetVariables "crs";
    String summary "The data in the EMODnet Grid should not be used for navigation or any purpose relating to safety at sea.";
    String title "EMODnet Digital Bathymetry (DTM 2020) - FULL - NetCDF";
    Float64 Westernmost_Easting -35.99947916666667;
  }
}

 

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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