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Dataset Title: | NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration [time][ygrid][xgrid]
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Institution: | NSIDC > National Snow and Ice Data Center (Dataset ID: hawaii_soest_7e5f_39be_ecc5) |
Information: | Summary ![]() ![]() |
Attributes { time { String _CoordinateAxisType "Time"; Float64 actual_range 2.787264e+8, 1.417392e+9; String axis "T"; String calendar "gregorian"; String ioos_category "Time"; String long_name "ANSI date"; String standard_name "time"; String time_origin "01-JAN-1970 00:00:00"; String units "seconds since 1970-01-01T00:00:00Z"; } ygrid { Float32 actual_range 4337500.0, -3937500.0; String axis "Y"; String ioos_category "Location"; String long_name "Projection Grid Y Centers"; String standard_name "projection_y_coordinate"; String units "meters"; Float32 valid_range -3950000.0, 4350000.0; } xgrid { Float32 actual_range -3937500.0, 3937500.0; String axis "X"; String ioos_category "Location"; String long_name "Projection Grid X Centers"; String standard_name "projection_x_coordinate"; String units "meters"; Float32 valid_range -3950000.0, 3950000.0; } seaice_conc_monthly_cdr { Float32 _FillValue 655.35; String ancillary_variables "stdev_of_seaice_conc_monthly_cdr qa_of_seaice_conc_monthly_cdr"; Float64 colorBarMaximum 0.0; Float64 colorBarMinimum -0.5; String datum "+ellps=urn:ogc:def:crs:EPSG::4326"; String flag_meanings "pole_hole lakes coastal land_mask missing_data"; Int16 flag_values -5, -4, -3, -2, -1; String grid_mapping "projection"; String ioos_category "Ice Distribution"; String long_name "NOAA/NSIDC Climate Data Record of Passive Microwave Monthly Southern Hemisphere Sea Ice Concentration"; String references "https://nsidc.org/api/metadata?id=g02202"; String units "1"; Float32 valid_range 0.0, 1.0; } stdev_of_seaice_conc_monthly_cdr { Float32 _FillValue -1.0; Float64 colorBarMaximum 50.0; Float64 colorBarMinimum 0.0; String datum "+ellps=urn:ogc:def:crs:EPSG::4326"; String grid_mapping "projection"; String ioos_category "Statistics"; String long_name "Passive Microwave Monthly Southern Hemisphere Sea Ice Concentration Source Estimated Standard Deviation"; Float32 missing_value -1.0; Float32 valid_range 0.0, 1.0; } melt_onset_day_seaice_conc_monthly_cdr { Int16 _FillValue -1; String _Unsigned "true"; Float64 colorBarMaximum 250.0; Float64 colorBarMinimum 50.0; String datum "+ellps=urn:ogc:def:crs:EPSG::4326"; String grid_mapping "projection"; String ioos_category "Ice Distribution"; String long_name "Monthly Day of Snow Melt Onset Over Sea Ice"; Int16 missing_value -1; String units "1"; Int16 valid_range 60, 244; } qa_of_seaice_conc_monthly_cdr { Byte _FillValue 0; String _Unsigned "true"; Float64 colorBarMaximum 0.0; Float64 colorBarMinimum -100.0; String datum "+ellps=urn:ogc:def:crs:EPSG::4326"; Int16 flag_masks 1, 2, 4, 8, 32, 64, -128; String flag_meanings "BT_majority_algorithm_for_monthly_CDR NT_majority_algorithm_for_monthly_CDR no_ice_allowed_per_climatology grid_cell_near_to_coast ice_present_less_half_of_month melt_detected_at_least_one_day melt_detected_greater_than_half_month"; String grid_mapping "projection"; String ioos_category "Quality"; String long_name "Passive Microwave Monthly Southern Hemisphere Sea Ice Concentration QC flags"; Byte missing_value 0; String standard_name "sea_ice_area_fraction status_flag"; Byte valid_range 1, 127; } goddard_merged_seaice_conc_monthly { Float32 _FillValue 655.35; Float64 colorBarMaximum 0.0; Float64 colorBarMinimum -0.5; String datum "+ellps=urn:ogc:def:crs:EPSG::4326"; String flag_meanings "pole_hole lakes coastal land_mask missing_data"; Int16 flag_values -5, -4, -3, -2, -1; String grid_mapping "projection"; String ioos_category "Ice Distribution"; String long_name "Goddard Edited Climate Data Record of Passive Microwave Monthly Southern Hemisphere Sea Ice Concentration, Goddard Edited"; String references "https://nsidc.org/data/nsidc-0051.html https://nsidc.org/data/nsidc-0079.html"; String units "1"; Float32 valid_range 0.0, 1.0; } goddard_nt_seaice_conc_monthly { Float32 _FillValue 655.35; Float64 colorBarMaximum 0.0; Float64 colorBarMinimum -0.5; String datum "+ellps=urn:ogc:def:crs:EPSG::4326"; String flag_meanings "pole_hole unused coastal land_mask missing_data"; Int16 flag_values -5, -4, -3, -2, -1; String grid_mapping "projection"; String ioos_category "Quality"; String long_name "Passive Microwave Monthly Southern Hemisphere Sea Ice Concentration by NASA Team algorithm with Goddard QC"; String references "Documentation available at: https://nsidc.org/data/nsidc-0051.html"; String units "1"; Float32 valid_range 0.0, 1.0; } goddard_bt_seaice_conc_monthly { Float32 _FillValue 655.35; Float64 colorBarMaximum 0.0; Float64 colorBarMinimum -0.5; String datum "+ellps=urn:ogc:def:crs:EPSG::4326"; String flag_meanings "pole_hole unused coastal land_mask missing_data"; Int16 flag_values -5, -4, -3, -2, -1; String grid_mapping "projection"; String ioos_category "Quality"; String long_name "Passive Microwave Monthly Southern Hemisphere Sea Ice Concentration by Bootstrap algorithm with Goddard QC"; String references "Documentation available at: https://nsidc.org/data/nsidc-0079.html"; String units "1"; Float32 valid_range 0.0, 1.0; } NC_GLOBAL { String acknowledgement "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."; String cdm_data_type "Grid"; String cdr_program "NOAA Climate Data Record Program"; String cdr_variable "seaice_conc_monthly_cdr"; String comment "The variable melt_onset_day_seaice_conc_monthly_cdr is not available for this month."; String contributor_name "Walt Meier, Ruth Duerr, Florence Fetterer, Julienne Stroeve, Matt Savoie, Sean Mallory"; String contributor_role "PrincipalInvestigator,author,author,author,author,author"; String Conventions "CF-1.6, COARDS, ACDD-1.3"; String creator_email "nsidc@nsidc.org"; String creator_name "NSIDC"; String creator_type "institution"; String creator_url "https://nsidc.org/"; String date_created "2015-09-01T22:30:52Z"; String history "seaice_conc_monthly_sh_f17_201411_v02r00.nc created: 2015-09-01 22:09:52Z by user: ops using software: @a66fa14b5e170018a3cbf586a64ee6d1045c1d09 2025-02-15T18:43:47Z http://apdrc.soest.hawaii.edu/thredds/dodsC/ncml_aggregation/NSIDC/G02202_v2/south_seaice_monthly.ncml 2025-02-15T18:43:47Z http://apdrc.soest.hawaii.edu/erddap/griddap/hawaii_soest_7e5f_39be_ecc5.das"; String id "G02202"; String infoUrl "http://apdrc.soest.hawaii.edu/thredds/dodsC/ncml_aggregation/NSIDC/G02202_v2/south_seaice_monthly.ncml.html"; String institution "NSIDC > National Snow and Ice Data Center"; String keywords "algorithm, area, bellingshausen, bootstrap, center, climate, common, concentration, cryosphere, CRYOSPHERE > SEA ICE > SEA ICE CONCENTRATION, data, day, defense, deviation, distribution, dmsp, edited, estimated, flag, flags, flight, format, fraction, geographic, Geographic Region > Polar, Geographic Region > Southern Hemisphere, goddard, goddard_bt_seaice_conc_monthly, goddard_merged_seaice_conc_monthly, goddard_nt_seaice_conc_monthly, gsfc, hemisphere, ice, ice distribution, melt, melt_onset_day_seaice_conc_monthly_cdr, meteorological, microwave, month, monthly, nasa, national, network, noaa, noaa/nsidc, nsidc, ocean, Ocean > Southern Ocean, Ocean > Southern Ocean > Bellingshausen Sea, Ocean > Southern Ocean > Ross Sea, Ocean > Southern Ocean > Weddell Sea, onset, over, passive, polar, program, qa_of_seaice_conc_monthly_cdr, quality, record, region, remote, remss, ross, satellite, sea, sea_ice_area_fraction status_flag, seaice_conc_monthly_cdr, sensing, snow, source, southern, space, standard, statistics, status, stdev_of_seaice_conc_monthly_cdr, systems, team, time, weddell, with, xgrid, ygrid"; String keywords_vocabulary "GCMD Science Keywords"; String license "No constraints on data access or use"; String Metadata_Link "http://nsidc.org/api/metadata?id=g02202"; String naming_authority "nsidc.org"; String platform "DMSP 5D-3/F17 > Defense Meteorological Satellite Program-F17"; String processing_level "NOAA Level 3"; String product_version "v02r00"; String project "NOAA/NSIDC passive microwave sea ice concentration climate data record"; String references "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."; String sensor "SSMI/S > Special Sensor Microwave Imager/Sounder"; String software_version_id "@a66fa14b5e170018a3cbf586a64ee6d1045c1d09"; String source "ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141101_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141102_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141103_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141104_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141105_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141106_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141107_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141108_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141109_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141110_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141111_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141112_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141113_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141114_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141115_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141116_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141117_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141118_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141119_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141120_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141121_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141122_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141123_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141124_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141125_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141126_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141127_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141128_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141129_v02r00.nc, ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02202_v2/south/daily/2014/seaice_conc_daily_sh_f17_20141130_v02r00.nc"; String sourceUrl "http://apdrc.soest.hawaii.edu/thredds/dodsC/ncml_aggregation/NSIDC/G02202_v2/south_seaice_monthly.ncml"; String spatial_resolution "25km"; String standard_name_vocabulary "CF Standard Name Table v29"; String summary "This data set provides a passive microwave sea ice concentration climate data record (CDR) based on gridded brightness temperatures (TBs) from the Defense Meteorological Satellite Program (DMSP) series of passive microwave radiometers: the Special Sensor Microwave Imager (SSM/I) and the Special Sensor Microwave Imager/Sounder (SSMIS). The sea ice concentration CDR is an estimate of sea ice concentration that is produced by combining concentration estimates from two algorithms developed at the NASA Goddard Space Flight Center (GSFC): the NASA Team algorithm and the Bootstrap algorithm. The individual algorithms are processed and combined at National Snow and Ice Data Center (NSIDC) using brightness temperature data from Remote Sensing Systems, Inc. (RSS). This product is designed to provide a consistent time series of sea ice concentrations (the fraction, or percentage, of ocean area covered by sea ice) from 1987 to the present which spans the coverage of several passive microwave instruments. The data are gridded on the NSIDC polar stereographic grid with 25 x 25 km grid cells, and are available in Network Common Data Format (NetCDF) file format. Each file contains a variable with the CDR concentration values as well as variables that hold the input NASA Team and Bootstrap concentrations for reference and a merged NASA Team/Bootstrap version of the Goddard sea ice concentrations that spans 1978 to the present made available as a longer-term analog of the CDR concentrations. Variables containing standard deviation, quality flags, and projection information are also included. Data are available via FTP. (south seaice monthly)"; String time_coverage_duration "P1M"; String time_coverage_end "2014-12-01T00:00:00Z"; String time_coverage_resolution "P1M"; String time_coverage_start "1978-11-01T00:00:00Z"; String title "NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration [time][ygrid][xgrid]"; } }
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
http://apdrc.soest.hawaii.edu/erddap/griddap/datasetID.fileType{?query}
For example,
http://apdrc.soest.hawaii.edu/erddap/griddap/jplMURSST41.htmlTable?analysed_sst[(2015-06-09T09:00:00Z)][(-89.99):1000:(89.99)][(-179.99):1000:(180.0)]
Thus, the query is often a variable name (e.g., analysed_sst),
followed by a set of [] for each of the variable's dimensions
(for example, [time][latitude][longitude]),
with your desired (start):stride:(stop) values within each [].
For details, see the griddap Documentation.