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Dataset Title:  NOAA Extended Reconstructed SST (ERSST), Version 4 (in situ only) (sst.mnmean.
v4), 2.0°, 1854-present
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Institution:  This version written at NOAA/ESRL PSD: obtained from NOAA/NESDIS/NCDC   (Dataset ID: noaa_esrl_2782_f239_e546)
Information:  Summary ? | License ? | FGDC | ISO 19115 | Metadata | Background (external link) | Make a graph
 
Dimensions ? Start ? Stride ? Stop ?  Size ?    Spacing ?
 time (UTC) ?      1974    30 days 10h 28m 24s (uneven)
  < slider >
 latitude (degrees_north) ?      89    -2.0 (even)
  < slider >
 longitude (degrees_east) ?      180    2.0 (even)
  < slider >
 
Grid Variables (which always also download all of the dimension variables)
 sst (Monthly Means of Sea Surface Temperature, degree_C) ?

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 -3.6605952e+9, 1.5278112e+9;
    String avg_period "0000-01-00 00:00:00";
    String axis "T";
    String delta_t "0000-01-00 00:00:00";
    String ioos_category "Time";
    String long_name "Time";
    String prev_avg_period "0000-00-07 00:00:00";
    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 -88.0, 88.0;
    String axis "Y";
    String coordinate_defines "center";
    String ioos_category "Location";
    String long_name "Latitude";
    String standard_name "latitude";
    String units "degrees_north";
  }
  longitude {
    String _CoordinateAxisType "Lon";
    Float32 actual_range 0.0, 358.0;
    String axis "X";
    String coordinate_defines "center";
    String ioos_category "Location";
    String long_name "Longitude";
    String standard_name "longitude";
    String units "degrees_east";
  }
  sst {
    Float32 actual_range -1.8, 33.95;
    Float64 colorBarMaximum 32.0;
    Float64 colorBarMinimum 0.0;
    String ioos_category "Temperature";
    String level_desc "Surface";
    String long_name "Monthly Means of Sea Surface Temperature";
    Float32 missing_value -9.96921e+36;
    String parent_stat "Individual Values";
    String standard_name "sea_surface_temperature";
    String statistic "Mean";
    String units "degree_C";
    Float32 valid_range -5.0, 40.0;
    String var_desc "Sea Surface Temperature";
  }
  NC_GLOBAL {
    String cdm_data_type "Grid";
    String citation "Huang et al, 2014: Extended Reconstructed Sea Surface Temperatures Version 4 (ERSST.v4), Part I. Upgrades and Intercomparisons. Journal of Climate.";
    String climatology "Climatology is based on 1971-2000 SST, Xue, Y., T. M. Smith, and R. W. Reynolds, 2003: Interdecadal changes of 30-yr SST normals during 1871.2000. Journal of Climate, 16, 1601-1612.";
    String comment "SSTs were observed by conventional thermometers in Buckets (insulated or un-insulated canvas and wooded buckets) or Engine Room Intaker";
    String Conventions "CF-1.6, COARDS, ACDD-1.3";
    String creator_email "esrl.psd.data@noaa.gov";
    String creator_name "NOAA ESRL PSD";
    String creator_type "institution";
    String creator_url "https://www.esrl.noaa.gov/psd/";
    String dataset_title "Extended Reconstructed Sea Surface Temperature (ERSST) v4";
    String description "In situ data: ICOADS2.5 before 2007 and NCEP in situ data from 2008 to present. Ice data: HadISST ice before 2010 and NCEP ice after 2010.";
    Float64 Easternmost_Easting 358.0;
    Float64 geospatial_lat_max 88.0;
    Float64 geospatial_lat_min -88.0;
    Float64 geospatial_lat_resolution 2.0;
    String geospatial_lat_units "degrees_north";
    Float32 geospatial_laty_max 89.0;
    Float32 geospatial_laty_min -89.0;
    Float64 geospatial_lon_max 358.0;
    Float64 geospatial_lon_min 0.0;
    Float64 geospatial_lon_resolution 2.0;
    String geospatial_lon_units "degrees_east";
    String history 
"created 10/2014 by CAS using NCDC's ERSST V4 ascii values
2018-07-22T01:29:06Z https://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/noaa.ersst/sst.mnmean.v4.nc
2018-07-22T01:29:06Z http://upwell.pfeg.noaa.gov/erddap/griddap/noaa_esrl_2782_f239_e546.das";
    String id "Datasets/noaa.ersst/sst.mnmean.v4.nchttps://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/noaa.ersst/sst.mnmean.v4.nc";
    String infoUrl "https://www.esrl.noaa.gov/psd/data/gridded/data.noaa.ersst.v4.html";
    String institution "This version written at NOAA/ESRL PSD: obtained from NOAA/NESDIS/NCDC";
    String instrument "Conventional thermometers";
    String keywords "center, centers, centre, climatic, data, division, earth, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature, Earth Science > Oceans > Ocean Temperature > Sea Surface Temperature >, environmental, ersst, esrl, extended, hadisst, hadley, ice, information, laboratory, latitude, longitude, means, month, monthly, national, ncdc, ncei, ncep, nesdis, noaa, obtained, ocean, oceans, only, physical, prediction, psd, reconstructed, research, satellite, science, sciences, sea, sea_surface_temperature, service, situ, sst, sst.mnmean.v4, surface, system, temperature, time, version, written";
    String keywords_vocabulary "GCMD Science Keywords";
    String license "No constraints on data access or use";
    Float64 Northernmost_Northing 88.0;
    String original_publisher_url "https://www.ncdc.noaa.gov";
    String platform "Ship and Buoy SSTs from ICOADS R2.5 and NCEP GTS";
    String project "NOAA Extended Reconstructed Sea Surface Temperature (ERSST)";
    String references "https://www.esrl.noaa.gov/psd/data/gridded/data.noaa.ersst.v4.html";
    String source "ICOADS R2.5 SST, NCEP GTS SST, HadISST ice, NCEP ice";
    String source_comment "SSTs were observed by conventional thermometers in Buckets (insulated or un-insulated canvas and wooded buckets) or Engine Room Intaker";
    String sourceUrl "https://www.esrl.noaa.gov/psd/thredds/dodsC/Datasets/noaa.ersst/sst.mnmean.v4.nc";
    Float64 Southernmost_Northing -88.0;
    String standard_name_vocabulary "CF Standard Name Table v55";
    String summary "NOAA Extended Reconstructed Sea Surface Temperature (ERSST), Version 4 (in situ only). In situ data: ICOADS2.5 before 2007 and National Centers for Environmental Prediction (NCEP) in situ data from 2008 to present. Ice data: Hadley Centre Sea Ice and Sea Surface Temperature (HadISST) ice before 2010 and NCEP ice after 2010.";
    String testOutOfDate "now-86days";
    String time_coverage_end "2018-06-01T00:00:00Z";
    String time_coverage_start "1854-01-01T00:00:00Z";
    String title "NOAA Extended Reconstructed SST (ERSST), Version 4 (in situ only) (sst.mnmean.v4), 2.0°, 1854-present";
    Float64 Westernmost_Easting 0.0;
  }
}

 

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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