http://thredds.aoos.org/thredds/dodsC/NSIDC_SEA_ICE_CON.nc

Name
Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Sea Ice Concentrations
Description
None
Asset Type
Curvilinear Grid
Last updated
Mon, May 01 2017 at 04:49PM
Coverage
Variables
  • Sea_Ice_Concentration
Keywords
0
Service
view
Metadata (ncml)
<?xml version="1.0"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="http://thredds.aoos.org/thredds/dodsC/NSIDC_SEA_ICE_CON.nc">
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  <dimension name="time" length="12374"/>
  <dimension name="x" length="304"/>
  <dimension name="y" length="448"/>
  <attribute name="Conventions" value="CF-1.4"/>
  <attribute name="institution" value="National_Snow_&amp;_Ice_Data_Center,_Boulder,_CO"/>
  <attribute name="title" value="Near-Real-Time_DMSP_SSM/I-SSMIS_Daily_Polar_Gridded_Sea_Ice_Concentrations"/>
  <attribute name="source" value="See_the_title_and_references_for_this_information"/>
  <attribute name="comment" value="Not_set_at_this_time"/>
  <attribute name="references" value="Documentation_available_at:_http://nsidc.org/data/nsidc-0081.html"/>
  <attribute name="history" value="Each_time_slice_was_created_with_the_following_steps:
gdal_translate__-of_netCDF_-ot_Int16_-a_srs_+proj=stere_+lat_0=90_+lat_ts=70_+lon_0=-45_+k=1_+x_0=0_+y_0=0_+a=6378273_+b=6356889.449_+units=m_+no_defs_-a_nodata_255_-A_ullr_-3850000.0_5850000.0_3750000.0_-5350000.0_&lt;input_file&gt;_&lt;output_file&gt;
Final_output_file_appended_to_this_netCDF_file."/>
  <attribute name="DODS.strlen" value="0"/>
  <variable name="projection" shape="maxStrlen64" type="char">
    <attribute name="grid_boundary_top_projected_y" value="5850000.0"/>
    <attribute name="grid_boundary_bottom_projected_y" value="-5350000.0"/>
    <attribute name="grid_boundary_right_projected_x" value="3750000.0"/>
    <attribute name="grid_boundary_left_projected_x" value="-3850000.0"/>
    <attribute name="parent_grid_cell_row_subset_start" value="0.0"/>
    <attribute name="parent_grid_cell_row_subset_end" value="448.0"/>
    <attribute name="parent_grid_cell_column_subset_start" value="0.0"/>
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    <attribute name="spatial_ref" value="PROJCS[&amp;quote;NSIDC_Sea_Ice_Polar_Stereographic_North&amp;quote;,GEOGCS[&amp;quote;Unspecified_datum_based_upon_the_Hughes_1980_ellipsoid&amp;quote;,DATUM[&amp;quote;Not_specified_based_on_Hughes_1980_ellipsoid&amp;quote;,SPHEROID[&amp;quote;Hughes_1980&amp;quote;,6378273,298.279411123061,AUTHORITY[&amp;quote;EPSG&amp;quote;,&amp;quote;7058&amp;quote;]],AUTHORITY[&amp;quote;EPSG&amp;quote;,&amp;quote;6054&amp;quote;]],PRIMEM[&amp;quote;Greenwich&amp;quote;,0,AUTHORITY[&amp;quote;EPSG&amp;quote;,&amp;quote;8901&amp;quote;]],UNIT[&amp;quote;degree&amp;quote;,0.01745329251994328,AUTHORITY[&amp;quote;EPSG&amp;quote;,&amp;quote;9122&amp;quote;]],AUTHORITY[&amp;quote;EPSG&amp;quote;,&amp;quote;4054&amp;quote;]],UNIT[&amp;quote;metre&amp;quote;,1,AUTHORITY[&amp;quote;EPSG&amp;quote;,&amp;quote;9001&amp;quote;]],PROJECTION[&amp;quote;Polar_Stereographic&amp;quote;],PARAMETER[&amp;quote;latitude_of_origin&amp;quote;,70],PARAMETER[&amp;quote;central_meridian&amp;quote;,-45],PARAMETER[&amp;quote;scale_factor&amp;quote;,1],PARAMETER[&amp;quote;false_easting&amp;quote;,0],PARAMETER[&amp;quote;false_northing&amp;quote;,0],AUTHORITY[&amp;quote;EPSG&amp;quote;,&amp;quote;3411&amp;quote;],AXIS[&amp;quote;X&amp;quote;,UNKNOWN],AXIS[&amp;quote;Y&amp;quote;,UNKNOWN]]"/>
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    <attribute name="standard_parallel" value="70"/>
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    <attribute name="longitude_of_projection_origin" value="-45.0"/>
    <attribute name="scaling_factor" value="1.0"/>
    <attribute name="false_easting" value="0.0"/>
    <attribute name="false_northing" value="0.0"/>
    <attribute name="semimajor_radius" value="6378273.0"/>
    <attribute name="semiminor_radius" value="6356889.449"/>
    <attribute name="units" value="m"/>
    <attribute name="_CoordinateTransformType" value="Projection"/>
    <attribute name="_CoordinateAxisTypes" value="GeoX_GeoY"/>
  </variable>
  <variable name="y" shape="y" type="float">
    <attribute name="valid_range" value="[-5350000.__5850000.]"/>
    <attribute name="units" value="meters"/>
    <attribute name="long_name" value="projection_grid_y_centers"/>
    <attribute name="standard_name" value="projection_y_coordinate"/>
    <attribute name="axis" value="Y"/>
    <attribute name="_CoordinateAxisType" value="GeoY"/>
  </variable>
  <variable name="x" shape="x" type="float">
    <attribute name="valid_range" value="[-3850000.__3750000.]"/>
    <attribute name="units" value="meters"/>
    <attribute name="long_name" value="projection_grid_x_centers"/>
    <attribute name="standard_name" value="projection_x_coordinate"/>
    <attribute name="axis" value="X"/>
    <attribute name="_CoordinateAxisType" value="GeoX"/>
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="units" value="days_since_1601-01-01_00:00:00"/>
    <attribute name="long_name" value="ANSI_date"/>
    <attribute name="_CoordinateAxisType" value="Time"/>
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  <variable name="latitude" shape="y x" type="double">
    <attribute name="standard_name" value="latitude"/>
    <attribute name="long_name" value="latitude"/>
    <attribute name="units" value="degrees_north"/>
    <attribute name="valid_range" value="[-90.__90.]"/>
    <attribute name="_FillValue" value="-999.0"/>
    <attribute name="_CoordinateAxisType" value="Lat"/>
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  <variable name="longitude" shape="y x" type="double">
    <attribute name="standard_name" value="longitude"/>
    <attribute name="long_name" value="longitude"/>
    <attribute name="units" value="degrees_east"/>
    <attribute name="valid_range" value="[-180.__180.]"/>
    <attribute name="_FillValue" value="-999.0"/>
    <attribute name="_CoordinateAxisType" value="Lon"/>
  </variable>
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    <attribute name="_FillValue" value="255.0"/>
    <attribute name="long_name" value="Sea_Ice_Concentration"/>
    <attribute name="grid_mapping" value="projection"/>
    <attribute name="coordinates" value="longitude_latitude"/>
    <attribute name="units" value="%"/>
    <attribute name="datum" value="+ellps=WGS84"/>
    <attribute name="missing_value" value="-9999"/>
  </variable>
</netcdf>

            
Messages
  • Could not get dataset description.  No global attribute named 'summary'.
  • Could not get dataset keywords.  No global attribute named 'keywords' or was not comma seperated list.
  • Variable Sea_Ice_Concentration was used to calculate geometry.
  • Could not find a standard name vocabulary.  No global attribute named 'standard_name_vocabulary'.  Variable list may be incorrect or contain non-measured quantities.

Metamap

ioos
Altitude Units
Data Format Template Version
CF-1.4
Service Provider Name
National_Snow_&_Ice_Data_Center,_Boulder,_CO
Station Location Lat
Station Location Lon
Time Period
Variable Names
  • y (projection_y_coordinate)
  • x (projection_x_coordinate)
  • latitude (latitude)
  • longitude (longitude)
Variable Units
  • meters
  • meters
  • degrees_north
  • degrees_east
36.7346938776%
Compliance Score ( What's this )
18.0/49.0 (36.7%)