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Dataset Title:  Analysed foundation sea surface temperature over the global ocean Subscribe RSS
Institution:  UKMO   (Dataset ID: nasa_jpl_d024_dac2_2e1a)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Data Access Form
 
Graph Type:  ?
X Axis:  ?
Y Axis:  ?
Color:  ?
 
Dimensions ?    Start ?    Stop ?
time (UTC) ?     specify just 1 value →
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< <
latitude (degrees_north) ?
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< slider >
longitude (degrees_east) ?
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< slider >
 
Graph Settings
Color Bar:   Continuity:   Scale: 
   Minimum:   Maximum:   N Sections: 
Draw land mask: 
Y Axis Minimum:   Maximum:   Ascending: 
 
(Please be patient. It may take a while to get the data.)
 
Optional:
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or view the URL:
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    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 {
  time {
    String _CoordinateAxisType "Time";
    Float64 actual_range 1.3668912e+9, 1.534248e+9;
    String axis "T";
    String ioos_category "Time";
    String long_name "reference time of sst field";
    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 -89.975, 89.975;
    String axis "Y";
    String comment "Latitude geographical coordinates,WGS84 projection";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
    Float32 valid_max 90.0;
    Float32 valid_min -90.0;
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range -179.975, 179.975;
    String axis "X";
    String comment "Longitude geographical coordinates,WGS84 projection";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
    Float32 valid_max 180.0;
    Float32 valid_min -180.0;
  }
  analysed_sst {
    Float32 _FillValue -327.68;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String comment "OSTIA foundation SST";
    String ioos_category "Temperature";
    String long_name "analysed sea surface temperature";
    String reference "C.J. Donlon, M. Martin, J.D. Stark, J. Roberts-Jones, E. Fiedler, W. Wimmer. The operational sea surface temperature and sea ice analysis (OSTIA) system. Remote Sensing Environ., 116 (2012), pp. 140u2013158 https://dx.doi.org/10.1016/j.rse.2010.10.017";
    String source "REMSS-L2P-AMSRE, UPA-L2P-ATS_NR_2P, NAVO-L2P-AVHRR18_G, NAVO-L2P-AVHRR19_G, EUR-L2P-AVHRR_METOP_A, SEVIRI_SST-OSISAF-L3C-v1.0, REMSS_L2P-TMI, GOES13-OSISAF-L3C-v1.0";
    String standard_name "sea_surface_foundation_temperature";
    String units "degree_C";
    Float32 valid_max 44.999992;
    Float32 valid_min -3.0000062;
  }
  analysis_error {
    Float32 _FillValue -327.68;
    Float64 colorBarMaximum 5.0;
    Float64 colorBarMinimum 0.0;
    String comment "OSTIA foundation SST analysis standard deviation error";
    String ioos_category "Statistics";
    String long_name "estimated error standard deviation of analysed_sst";
    String standard_name "sea_surface_temperature_error";
    String units "degree_C";
    Float32 valid_max NaN;
    Float32 valid_min 0.0;
  }
  sea_ice_fraction {
    Float32 _FillValue -1.28;
    Float64 colorBarMaximum 100.0;
    Float64 colorBarMinimum 0.0;
    String comment "Sea ice area fraction";
    String ioos_category "Ice Distribution";
    String long_name "sea ice area fraction";
    String source "EUMETSAT OSI-SAF";
    String standard_name "sea_ice_area_fraction";
    String units "1";
    Float32 valid_max 1.0;
    Float32 valid_min 0.0;
  }
  mask {
    Byte _FillValue -128;
    String _Unsigned "false";
    Float64 colorBarMaximum 20.0;
    Float64 colorBarMinimum 0.0;
    String comment "Land/ open ocean/ sea ice /lake mask";
    Byte flag_masks 1, 2, 4, 8, 16;
    String flag_meanings "water land optional_lake_surface sea_ice optional_river_surface";
    String ioos_category "Ice Distribution";
    String long_name "land sea ice lake bit mask";
    String source "NAVOCEANO_landmask_v1.0 EUMETSAT_OSI-SAF_icemask ARCLake_lakemask";
    String standard_name "land_binary_mask";
    Byte valid_max 31;
    Byte valid_min 1;
  }
  NC_GLOBAL {
    String acknowledgment "Please acknowledge the use of these data with the following statement: These data were provided by GHRSST, UKMO and MyOcean";
    String cdm_data_type "Grid";
    String comment "WARNING Some applications are unable to properly handle signed byte values. If values are encountered > 127, please subtract 256 from this reported value";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "servicedesk@myocean.eu.org";
    String creator_name "UKMO as part of MyOcean";
    String creator_url "http://www.myocean.eu.org";
    String date_created "2013-05-04T06:48:32Z";
    Float64 Easternmost_Easting 179.975;
    Int32 file_quality_level 3;
    Float64 geospatial_lat_max 89.975;
    Float64 geospatial_lat_min -89.975;
    Float64 geospatial_lat_resolution 0.049999999999999996;
    String geospatial_lat_units "degrees_north";
    Float64 geospatial_lon_max 179.975;
    Float64 geospatial_lon_min -179.975;
    Float64 geospatial_lon_resolution 0.049999999999999996;
    String geospatial_lon_units "degrees_east";
    String history 
"Created from sst:temperature from /critical/opfc/op/daily/datawg6/sst.nc; error:/critical/opfc/op/daily/datawg6/20130503-UKMO-L4HRfnd-GLOB-v01-fv02-OSTIA_err.nc; sea ice:/critical/opfc/op/daily/datawg6/seaice.nc
2018-08-15T09:14:57Z https://thredds.jpl.nasa.gov/thredds/dodsC/OceanTemperature/OSTIA-UKMO-L4-GLOB-v2.0.nc
2018-08-15T09:14:57Z http://upwell.pfeg.noaa.gov/griddap/nasa_jpl_d024_dac2_2e1a.das";
    String id "UKMO-L4HRfnd_GLOB-OSTIA";
    String infoUrl "https://podaac.jpl.nasa.gov/dataset/UKMO-L4HRfnd-GLOB-OSTIA";
    String institution "UKMO";
    String keywords "analysed, analysed_sst, analysis, analysis_error, area, binary, bit, cryosphere, daily, data, day, deviation, distribution, Earth Science > Cryosphere > Sea Ice > Ice Extent, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Sea Ice > Ice Extent, error, estimated, extent, foundation, fraction, glo, global, ice, ice distribution, kingdom, L4, lake, land, land_binary_mask, mask, meteorological, meteorology, metoffice, metoffice-glo-sst-l4-nrt-obs-sst-v2, near, nrt, obs, observations, ocean, oceans, office, operational, ostia, real, sea, sea_ice_area_fraction, sea_ice_fraction, sea_surface_foundation_temperature, sea_surface_temperature_error, sst, standard, statistics, surface, temperature, time, ukmo, united";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "These data are available free of charge under the GMES data policy";
    String metadata_link "https://podaac.jpl.nasa.gov/ws/metadata/dataset?format=iso&shortName=UKMO-L4HRfnd-GLOB-OSTIA";
    String naming_authority "org.ghrsst";
    String netcdf_version_id "4.1";
    Float64 Northernmost_Northing 89.975;
    String OSTIA_UKMO_L4_GLOB_v2_0_Documentation "https://podaac.jpl.nasa.gov/dataset/OSTIA-UKMO-L4-GLOB-v2.0";
    String platform "NOAA-19, MetOpA, MSG2, TRMM, GOES13, DMSP-F17, DMSP-F15";
    String processing_level "L4";
    String product_version "2.0";
    String project "Group for High Resolution Sea Surface Temperature";
    String publisher_email "ghrsst-po@nceo.ac.uk";
    String publisher_name "GHRSST Project Office";
    String publisher_url "https://www.ghrsst.org";
    String references "Donlon, C.J., Martin, M., Stark, J.D., Roberts-Jones, J., Fiedler, E., Wimmer, W., 2011. The Operational Sea Surface Temperature and Sea Ice Analysis (OSTIA). Remote Sensing of the Environment";
    String sensor "AVHRR, AVHRR_GAC, AVHRR_LAC, IASI, SEVIRI, TMI, GOES_Imager, SSMIS, SSM/I";
    String source "NAVO-L2P-AVHRR19_G, OSISAF-L2P-AVHRR19_L, EUR-L2P-AVHRR_METOP_A, EUM-L2P-IASI_METOP_A, SEVIRI_SST-OSISAF-L3C-v1.0, REMSS_L2P-TMI, GOES13-OSISAF-L3C-v1.0, OSISAF_ICE, NCEP_ICE";
    String sourceUrl "https://thredds.jpl.nasa.gov/thredds/dodsC/OceanTemperature/OSTIA-UKMO-L4-GLOB-v2.0.nc";
    Float64 Southernmost_Northing -89.975;
    String spatial_resolution "0.05 degree";
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "A merged, multi-sensor L4 Foundation SST product (Operational Sea Surface Temperature and Sea Ice Analysis (OSTIA)-United Kingdom Meteorology Office (UKMO)-L4-GLOB-v2.0)";
    String time_coverage_end "2018-08-14T12:00:00Z";
    String time_coverage_start "2013-04-25T12:00:00Z";
    String title "Analysed foundation sea surface temperature over the global ocean";
    String uuid "536d4865-f5a8-45b2-806f-1f1db491069a";
    Float64 Westernmost_Easting -179.975;
  }
}

 

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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