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Dataset Title:  Northwest Atlantic regional climatology : salinity Annual 1.00
degree (salinity annual one), 0000
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Institution:  NCEI   (Dataset ID: noaa_nodc_2289_19a6_2195)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (UTC) ?      1    (just one value)
  < slider >
 depth (m) ?      102    54.45545 (uneven)
  < slider >
 latitude (degrees_north) ?      34    1.0 (even)
  < slider >
 longitude (degrees_east) ?      41    1.0 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables)
 s_an (Objectively analyzed mean fields for salinity at standard depth levels., PSU) ?
 s_mn (PSU) ?
 s_dd (1) ?
 s_sd (1) ?
 s_se (1) ?
 s_oa (statistical mean value minus the objectively analyzed mean value for salinity., 1) ?
 s_gp (1) ?

File type: (more info)

(Documentation / Bypass this form) ?
 
(Please be patient. It may take a while to get the data.)


 

The Dataset Attribute Structure (.das) for this Dataset

Attributes {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range -6.21516672e+10, -6.21516672e+10;
    String axis "T";
    String climatology "climatology_bounds";
    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";
  }
  depth {
    String _CoordinateAxisType "Height";
    String _CoordinateZisPositive "down";
    Float32 actual_range 0.0, 5500.0;
    String axis "Z";
    String ioos_category "Location";
    String long_name "Depth";
    String positive "down";
    String standard_name "depth";
    String units "m";
  }
  latitude {
    String _CoordinateAxisType "Lat";
    Float32 actual_range 32.5, 65.5;
    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 -79.5, -39.5;
    String axis "X";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  s_an {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "area: mean depth: mean time: mean";
    Float64 colorBarMaximum 37.0;
    Float64 colorBarMinimum 32.0;
    String grid_mapping "crs";
    String ioos_category "Sea Level";
    String long_name "Objectively analyzed mean fields for salinity at standard depth levels.";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  s_mn {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "area: mean depth: mean time: mean";
    Float64 colorBarMaximum 150.0;
    Float64 colorBarMinimum 0.0;
    String grid_mapping "crs";
    String ioos_category "Quality";
    String long_name "Average of all unflagged interpolated values at each standard depth level for salinity in each grid-square which contain at least one measurement.";
    String standard_name "sea_water_practical_salinity";
    String units "PSU";
  }
  s_dd {
    Int32 _FillValue -32767;
    String cell_methods "area: sum depth: point time: sum";
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String grid_mapping "crs";
    String ioos_category "Statistics";
    String long_name "The number of observations of salinity in each grid-square at each standard depth level.";
    String standard_name "salinity number_of_observations";
    String units "1";
  }
  s_sd {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "area: mean depth: mean time: standard_deviation";
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String grid_mapping "crs";
    String ioos_category "Statistics";
    String long_name "The standard deviation about the statistical mean of salinity in each grid-square at each standard depth level.";
    String units "1";
  }
  s_se {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "area: mean depth: mean time: mean";
    Float64 colorBarMaximum 0.1;
    Float64 colorBarMinimum 0.0;
    String grid_mapping "crs";
    String ioos_category "Statistics";
    String long_name "The standard error about the statistical mean of salinity in each grid-square at each standard depth level.";
    String standard_name "salinity standard_error";
    String units "1";
  }
  s_oa {
    Float32 _FillValue 9.96921e+36;
    String cell_methods "area: mean depth: mean time: mean";
    String grid_mapping "crs";
    String ioos_category "Salinity";
    String long_name "statistical mean value minus the objectively analyzed mean value for salinity.";
    String units "1";
  }
  s_gp {
    Int32 _FillValue -32767;
    String cell_methods "area: mean depth: mean time: mean";
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String grid_mapping "crs";
    String ioos_category "Statistics";
    String long_name "The number of grid-squares within the smallest radius of influence around each grid-square which contain a statistical mean for salinity.";
    String units "1";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String comment "Regional Climatology as part of the World Ocean Atlas Project";
    String contributor_name "Ocean Climate Laboratory Team";
    String contributor_role "Calculation of climatologies";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "NODC.Services@noaa.gov";
    String creator_name "Ocean Climate Laboratory Team";
    String creator_type "group";
    String creator_url "https://www.nodc.noaa.gov";
    String date_created "2016-05-04";
    String date_modified "2016-05-04";
    Float64 Easternmost_Easting -39.5;
    Float64 geospatial_lat_max 65.5;
    Float64 geospatial_lat_min 32.5;
    Float64 geospatial_lat_resolution 1.0;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max -39.5;
    Float64 geospatial_lon_min -79.5;
    Float64 geospatial_lon_resolution 1.0;
    String geospatial_lon_units "degrees_east";
    String history 
"2018-07-21T03:48:22Z https://data.nodc.noaa.gov/thredds/dodsC/ncml/regclim/nwa_ncml/salinity/salinity_annual_one.ncml
2018-07-21T03:48:22Z http://upwell.pfeg.noaa.gov/erddap/griddap/noaa_nodc_2289_19a6_2195.das";
    String id "ncml/regclim/nwa_ncml/salinity/salinity_annual_one.ncmlhttps://data.nodc.noaa.gov/thredds/dodsC/ncml/regclim/nwa_ncml/salinity/salinity_annual_one.ncml";
    String infoUrl "https://www.nodc.noaa.gov/OC5/regional_climate/";
    String institution "NCEI";
    String keywords "about, all, analyzed, annual, around, atlantic, average, centers, climatology, contain, data, degree, density, depth, deviation, each, earth, Earth Science > Oceans > Salinity/Density > Salinity, environmental, error, fields, grid, grid-square, grid-squares, influence, information, interpolated, latitude, least, level, levels, longitude, mean, measurement, minus, national, ncei, nesdis, noaa, northwest, number, objectively, observations, ocean, oceans, one, practical, quality, radius, regional, s_an, s_dd, s_gp, s_mn, s_oa, s_sd, s_se, salinity, salinity number_of_observations, salinity standard_error, science, sea, sea level, sea_water_practical_salinity, seawater, smallest, square, squares, standard, statistical, statistics, time, unflagged, value, values, water, which, within";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "These data are openly available to the public. Please acknowledge the use of these data with the text given in the acknowledgment attribute.";
    String metadata_link "https://www.nodc.noaa.gov/OC5/regional_climate/";
    String naming_authority "gov.noaa.nodc";
    String nodc_template_version "NODC_NetCDF_Grid_Template_v1.0";
    Float64 Northernmost_Northing 65.5;
    String processing_level "processed";
    String project "Northwest Atlantic Regional Climatology as part of the World Ocean Atlas Project";
    String publisher_email "NODC.Services@noaa.gov";
    String publisher_name "National Centers for Environmental Information (NCEI)";
    String publisher_type "group";
    String publisher_url "https://www.nodc.noaa.gov/";
    String references "Seidov, D., O.K. Baranova, T.P. Boyer, D.R. Johnson, A.V. Mishonov, A.R. Parsons (2015), Northwest Atlantic Regional Climatology, Regional Climatology Team, NOAA/NCEI (www.nodc.noaa.gov/OC5/regional_climate/nwa-climate).";
    String sourceUrl "https://data.nodc.noaa.gov/thredds/dodsC/ncml/regclim/nwa_ncml/salinity/salinity_annual_one.ncml";
    Float64 Southernmost_Northing 32.5;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "Climatological mean salinity for the Northwest Atlantic from in situ profile data";
    String time_coverage_duration "P01Y";
    String time_coverage_end "0000-07-01T00:00:00Z";
    String time_coverage_resolution "P01Y";
    String time_coverage_start "0000-07-01T00:00:00Z";
    String title "Northwest Atlantic regional climatology : salinity Annual 1.00 degree (salinity annual one), 0000";
    Float64 Westernmost_Easting -79.5;
  }
}

 

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://upwell.pfeg.noaa.gov/erddap/griddap/datasetID.fileType{?query}
For example,
https://upwell.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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