Easier access to scientific data
Brought to you by NOAA NMFS SWFSC ERD
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PolarWatch ERDDAP
Easier access to scientific data |
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Brought to you by NOAA NMFS SWFSC ERD |
| Grid DAP Data | Sub- set | Table DAP Data | Make A Graph | W M S | Source Data Files | Title | Sum- mary | FGDC, ISO, Metadata | Back- ground Info | RSS | E | Institution | Dataset ID | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| data | graph | files | Sea Ice Concentration Lat-Lon Grid, NOAA/NSIDC Climate Data Record, Northern Hemisphere, 25km |
| M | background
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| nsidcCDRice_nh_grid |
| Row Type | Variable Name | Attribute Name | Data Type | Value |
|---|---|---|---|---|
| attribute | NC_GLOBAL | _NCProperties | String | version=1|netcdflibversion=4.4.1.1|hdf5libversion=1.8.17 |
| attribute | NC_GLOBAL | acknowledgement | String | This project was supported in part by a grant from the NOAA Climate Data Record Program. Production of original NASA Team and Bootstrap algorithm estimates supported by the NASA Polar Distributed Active Archive Center. The sea ice concentration algorithms were developed by Donald J. Cavalieri, Josefino C. Comiso, Claire L. Parkinson, and others at the NASA Goddard Space Flight Center in Greenbelt, MD. |
| attribute | NC_GLOBAL | cdm_data_type | String | Grid |
| attribute | NC_GLOBAL | contributor_name | String | Walt Meier, Ruth Duerr, Florence Fetterer, Julienne Stroeve, Matt Savoie, Sean Mallory |
| attribute | NC_GLOBAL | contributor_role | String | PrincipalInvestigator,author,author,author,author,author |
| attribute | NC_GLOBAL | Conventions | String | CF-1.6, COARDS, ACDD-1.3 |
| attribute | NC_GLOBAL | creator_email | String | nsidc at nsidc.org |
| attribute | NC_GLOBAL | creator_name | String | NSIDC |
| attribute | NC_GLOBAL | creator_type | String | institution |
| attribute | NC_GLOBAL | creator_url | String | https://nsidc.org/ |
| attribute | NC_GLOBAL | date_created | String | 2018-10-01T20:22:55Z |
| attribute | NC_GLOBAL | defaultGraphQuery | String | latitude[(5837500.0):(-5337500.0)][(-3837500.0):(3737500.0)]&.draw=surface&.vars=xgrid%7Cygrid%7Clatitude&.colorBar=BlackWhite%7C%7C%7C%7C%7C&.bgColor=0xffccccff |
| attribute | NC_GLOBAL | history | String | 2017-07-03T15:07:45Z: Data file created using software: git@bitbucket.org:nsidc/seaice_cdr.git@9b08592bfdd4ff7d6fdf2b56f7d33c58e974ace0 /n 2019-02-27T12:24:52: Additional metadata was added. Timestamp was converted to seconds since 1970-01-01T00:00:00Z. |
| attribute | NC_GLOBAL | id | String | G02202 |
| attribute | NC_GLOBAL | infoUrl | String | https://nsidc.org/data/g02202 |
| attribute | NC_GLOBAL | institution | String | NSIDC > National Snow and Ice Data Center, NOAA |
| attribute | NC_GLOBAL | keywords | String | america, arctic, area, atlantic, barents, bay, beaufort, bering, bootstrap, canada, center, chukchi, climate, concentration, continent, CONTINENT > NORTH AMERICA > CANADA > HUDSON BAY, Continent > North America > Canada > Hudson Bay, cryosphere, data, davis, day, deviation, distribution, earth, Earth Science > Cryosphere > Sea Ice > Ice Extent, Earth Science > Cryosphere > Sea Ice > Sea Ice Concentration, Earth Science > Oceans > Sea Ice > Ice Extent, edited, estimated, extent, flag, flags, fraction, geographic, Geographic Region > Arctic, Geographic Region > Northern Hemisphere, Geographic Region > Polar, goddard, goddard_bt_seaice_conc_monthly, goddard_merged_seaice_conc_monthly, goddard_nt_seaice_conc_monthly, gulf, hemisphere, hudson, ice, ice distribution, lawrence, mayen, melt, microwave, nasa, national, noaa, noaa/nsidc, north, northern, norwegian, nsidc, ocean, Ocean > Arctic Ocean, Ocean > Arctic Ocean > Barents Sea, Ocean > Arctic Ocean > Beaufort Sea, Ocean > Arctic Ocean > Chukchi Sea, Ocean > Atlantic Ocean > North Atlantic Ocean > Davis Straight, OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF ST LAWRENCE, Ocean > Atlantic Ocean > North Atlantic Ocean > North Sea, Ocean > Atlantic Ocean > North Atlantic Ocean > Norwegian Sea, OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > SVALBARD AND JAN MAYEN, Ocean > Pacific Ocean, Ocean > Pacific Ocean > North Pacific Ocean > Bering Sea, Ocean > Pacific Ocean > North Pacific Ocean > Sea Of Okhotsk, oceans, okhotsk, pacific, passive, polar, sea, snow, straight, svalbard, xgrid, ygrid |
| attribute | NC_GLOBAL | keywords_vocabulary | String | GCMD Science Keywords |
| attribute | NC_GLOBAL | license | String | 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. Please acknowledge the use of these data with the following statement: "These data were provided by NOAA's Center for Satellite Applications & Research (STAR) and the CoastWatch program and distributed by NOAA/NMFS/SWFSC/ERD. " To reference these data as a citation in a paper, please follow the instructions in the license and at this link: https://coastwatch.pfeg.noaa.gov/erddap/information.html#citeDataset |
| attribute | NC_GLOBAL | Metadata_Link | String | https://nsidc.org/api/dataset/metadata/v2/oai?verb=GetRecord&metadataPrefix=dif&identifier=g02202 |
| attribute | NC_GLOBAL | naming_authority | String | nsidc.org |
| attribute | NC_GLOBAL | platform | String | DMSP 5D-3/F17 > Defense Meteorological Satellite Program-F17 |
| attribute | NC_GLOBAL | processing_level | String | NOAA Level 3 |
| attribute | NC_GLOBAL | product_version | String | v03r01 |
| attribute | NC_GLOBAL | program | String | NOAA Climate Data Record Program |
| attribute | NC_GLOBAL | proj_false_easting | double | 0.0 |
| attribute | NC_GLOBAL | proj_false_northing | double | 0.0 |
| attribute | NC_GLOBAL | proj_GeoTransform | String | -3850000.0 25000.0 0 5850000.0 0 25000.0 |
| attribute | NC_GLOBAL | proj_grid_boundary_bottom_projected_y | double | -5350000.0 |
| attribute | NC_GLOBAL | proj_grid_boundary_left_projected_x | double | -3850000.0 |
| attribute | NC_GLOBAL | proj_grid_boundary_right_projected_x | double | 3750000.0 |
| attribute | NC_GLOBAL | proj_grid_boundary_top_projected_y | double | 5850000.0 |
| attribute | NC_GLOBAL | proj_grid_mapping_name | String | polar_stereographic |
| attribute | NC_GLOBAL | proj_latitude_of_projection_origin | double | 90.0 |
| attribute | NC_GLOBAL | proj_longitude_of_projection_origin | double | -45.0 |
| attribute | NC_GLOBAL | proj_parent_grid_cell_column_subset_end | double | 304.0 |
| attribute | NC_GLOBAL | proj_parent_grid_cell_column_subset_start | double | 0.0 |
| attribute | NC_GLOBAL | proj_parent_grid_cell_row_subset_end | double | 448.0 |
| attribute | NC_GLOBAL | proj_parent_grid_cell_row_subset_start | double | 0.0 |
| attribute | NC_GLOBAL | proj_proj4text | String | +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 |
| attribute | NC_GLOBAL | proj_scaling_factor | double | 1.0 |
| attribute | NC_GLOBAL | proj_semimajor_radius | double | 6378273.0 |
| attribute | NC_GLOBAL | proj_semiminor_radius | double | 6356889.449 |
| attribute | NC_GLOBAL | proj_spatial_ref | String | PROJCS["NSIDC Sea Ice Polar Stereographic North",GEOGCS["Unspecified datum based upon the Hughes 1980 ellipsoid",DATUM["Not_specified_based_on_Hughes_1980_ellipsoid",SPHEROID["Hughes 1980",6378273,298.279411123061,AUTHORITY["EPSG","7058"]],AUTHORITY["EPSG","6054"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4054"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],PROJECTION["Polar_Stereographic"],PARAMETER["latitude_of_origin",70],PARAMETER["central_meridian",-45],PARAMETER["scale_factor",1],PARAMETER["false_easting",0],PARAMETER["false_northing",0],AUTHORITY["EPSG","3411"],AXIS["X",UNKNOWN],AXIS["Y",UNKNOWN]] |
| attribute | NC_GLOBAL | proj_srid | String | urn:ogc:def:crs:EPSG::3411 |
| attribute | NC_GLOBAL | proj_standard_parallel | double | 70.0 |
| attribute | NC_GLOBAL | proj_straight_vertical_longitude_from_pole | double | 135.0 |
| attribute | NC_GLOBAL | proj_units | String | meters |
| attribute | NC_GLOBAL | project | String | NOAA/NSIDC passive microwave sea ice concentration climate data record |
| attribute | NC_GLOBAL | projection | String | EPSG:3411, https://epsg.io/3411 |
| attribute | NC_GLOBAL | publisher_email | String | erd.data at noaa.gov |
| attribute | NC_GLOBAL | publisher_name | String | NOAA NMFS SWFSC ERD |
| attribute | NC_GLOBAL | publisher_type | String | institution |
| attribute | NC_GLOBAL | publisher_url | String | https://coastwatch.pfeg.noaa.gov |
| attribute | NC_GLOBAL | references | String | Comiso, J. C., and F. Nishio. 2008. Trends in the Sea Ice Cover Using Enhanced and Compatible AMSR-E, SSM/I, and SMMR Data. Journal of Geophysical Research 113, C02S07, doi:10.1029/2007JC0043257. ; Comiso, J. C., D. Cavalieri, C. Parkinson, and P. Gloersen. 1997. Passive Microwave Algorithms for Sea Ice Concentrations: A Comparison of Two Techniques. Remote Sensing of the Environment 60(3):357-84. ; Comiso, J. C. 1984. Characteristics of Winter Sea Ice from Satellite Multispectral Microwave Observations. Journal of Geophysical Research 91(C1):975-94. ; Cavalieri, D. J., P. Gloersen, and W. J. Campbell. 1984. Determination of Sea Ice Parameters with the NIMBUS-7 SMMR. Journal of Geophysical Research 89(D4):5355-5369. ; Cavalieri, D. J., C. l. Parkinson, P. Gloersen, J. C. Comiso, and H. J. Zwally. 1999. Deriving Long-term Time Series of Sea Ice Cover from Satellite Passive-Microwave Multisensor Data Sets. Journal of Geophysical Research 104(7): 15,803-15,814. |
| attribute | NC_GLOBAL | sensor | String | SSMI/S > Special Sensor Microwave Imager/Sounder |
| attribute | NC_GLOBAL | software_version_id | String | git@bitbucket.org:nsidc/seaice_cdr.git@37f2e435cfe004ba8ead4355e07398a989145479 |
| attribute | NC_GLOBAL | source | String | Satellite observations |
| attribute | NC_GLOBAL | sourceUrl | String | ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_V3 |
| attribute | NC_GLOBAL | spatial_resolution | String | 25km |
| attribute | NC_GLOBAL | standard_name_vocabulary | String | CF Standard Name Table v29 |
| attribute | NC_GLOBAL | summary | String | This ERDDAP data set provides the latitude - longitude grid for the Arctic (Northern Hemisphere) NSIDC passive microwave sea ice concentration climate data record (CDR) datasets distributed via the PolarWatch ERDDAP. The grid used for these datasets is the NSIDC polar stereographic grid with 25 x 25 km grid cells. The input netCDF files from NSIDC contain data variables and reference latitude and longitude variables. These are provided in this ERDDAP as separate datasets based on system architecture requirements. |
| attribute | NC_GLOBAL | title | String | Sea Ice Concentration Lat-Lon Grid, NOAA/NSIDC Climate Data Record, Northern Hemisphere, 25km |
| dimension | ygrid | float | nValues=448, evenlySpaced=true, averageSpacing=-25000.0 | |
| attribute | ygrid | _ChunkSizes | uint | 448 |
| attribute | ygrid | _CoordinateAxisType | String | GeoY |
| attribute | ygrid | actual_range | float | -5337500.0, 5837500.0 |
| attribute | ygrid | axis | String | Y |
| attribute | ygrid | comment | String | xgrid values are the centers of the grid cells |
| attribute | ygrid | coverage_content_type | String | coordinate |
| attribute | ygrid | ioos_category | String | Location |
| attribute | ygrid | long_name | String | Projection Y Coordinate |
| attribute | ygrid | standard_name | String | projection_y_coordinate |
| attribute | ygrid | units | String | meters |
| attribute | ygrid | valid_range | float | -5350000.0, 5850000.0 |
| dimension | xgrid | float | nValues=304, evenlySpaced=true, averageSpacing=25000.0 | |
| attribute | xgrid | _ChunkSizes | uint | 304 |
| attribute | xgrid | _CoordinateAxisType | String | GeoX |
| attribute | xgrid | actual_range | float | -3837500.0, 3737500.0 |
| attribute | xgrid | axis | String | X |
| attribute | xgrid | comment | String | xgrid values are the centers of the grid cells |
| attribute | xgrid | coverage_content_type | String | coordinate |
| attribute | xgrid | ioos_category | String | Location |
| attribute | xgrid | long_name | String | Projection X Coordinate |
| attribute | xgrid | standard_name | String | projection_x_coordinate |
| attribute | xgrid | units | String | meters |
| attribute | xgrid | valid_range | float | -3850000.0, 3750000.0 |
| variable | longitude | double | ygrid, xgrid | |
| attribute | longitude | _FillValue | double | -999.0 |
| attribute | longitude | comment | String | These are longitude coordinate values which correspond to xgrid projected coordinate dimension values |
| attribute | longitude | coverage_content_type | String | coordinate |
| attribute | longitude | ioos_category | String | Location |
| attribute | longitude | long_name | String | longitude |
| attribute | longitude | standard_name | String | longitude |
| attribute | longitude | units | String | degrees_east |
| attribute | longitude | valid_range | double | -180.0, 180.0 |
| variable | latitude | double | ygrid, xgrid | |
| attribute | latitude | _FillValue | double | -999.0 |
| attribute | latitude | comment | String | These are latitude coordinate values which correspond to ygrid projected coordinate dimension values |
| attribute | latitude | coverage_content_type | String | coordinate |
| attribute | latitude | ioos_category | String | Location |
| attribute | latitude | long_name | String | latitude |
| attribute | latitude | standard_name | String | latitude |
| attribute | latitude | units | String | degrees_north |
| attribute | latitude | valid_range | double | 0.0, 90.0 |
The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.