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	   gmd:Hierarchy_Level_Name:  Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Sea Ice Concentrations
	   gmd:Contact:  
	      gmd:CI_ResponsibleParty:  
	         gmd:individualName:  NSIDC User Services
	         gmd:organisationName:  National Snow and Ice Data Center
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	                  gmd:city:  Boulder
	                  gmd:administrativeArea:  CO
	                  gmd:postalCode:  80309-0449
	                  gmd:country:  USA
	                  gmd:electronicMailAddress:  nsidc@nsidc.org
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	                     gmd:linkage:  http://nsidc.org
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	   gmd:Date_Stamp:  
	      Date:  2014-04-15
	   gmd:Metadata_Standard_Name:  ISO 19115 Geographic Information - Metadata First Edition
	   gmd:Metadata_Standard_Version:  ISO 19115:2003
	   gmd:DataSet_URI:  http://nsidc.org/data/nsidc-0081.html
	   gmd:Identification_Information:  
	      gmd:MD_DataIdentification:  
	         gmd:citation:  
	            gmd:CI_Citation:  
	               gmd:title:  Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Sea Ice Concentrations
	               gmd:date:  
	                  gmd:CI_Date:  
	                     gmd:date:  1999
	                     gmd:dateType:  
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	               gmd:editionDate:  
	                  gmd:Date:  1999-01-01
	               gmd:identifier:  NSIDC-0081
	               gmd:citedResponsibleParty:  
	                  gmd:CI_ResponsibleParty:  
	                     gmd:individualName:  NSIDC DAAC User Services
	                     gmd:organisationName:  NASA DAAC at the National Snow and Ice Data Center
	                     gmd:positionName:  none
	                     gmd:contactInfo:  
	                        gmd:CI_Contact:  
	                           gmd:phone:  
	                              gmd:CI_Telephone:  
	                              gmd:voice:  1 303 492-6199 
	                           gmd:address:  
	                              gmd:deliveryPoint:  National Snow and Ice Data Center
	                              gmd:city:  Boulder
	                              gmd:administrativeArea:  CO
	                              gmd:postalCode:  80309-0449
	                              gmd:country:  USA
	                              gmd:electronicMailAddress:  nsidc@nsidc.org
	                           gmd:onlineResource:  
	                              gmd:CI_OnlineResource:  
	                                 gmd:linkage:  http://nsidc.org/daac/index.html
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	                     gmd:individualName:  NSIDC User Services
	                     gmd:organisationName:  National Snow and Ice Data Center
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	                           gmd:phone:  
	                              gmd:CI_Telephone:  
	                              gmd:voice:  1 303 492-6199 
	                           gmd:address:  
	                              gmd:deliveryPoint:  National Snow and Ice Data Center
	                              gmd:city:  Boulder
	                              gmd:administrativeArea:  CO
	                              gmd:postalCode:  80309-0449
	                              gmd:country:  USA
	                              gmd:electronicMailAddress:  nsidc@nsidc.org
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	                                 gmd:linkage:  http://nsidc.org
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	         gmd:Abstract:  
	
	            









 This data set provides a 
	            near-real-time (NRT) map of sea ice concentrations for both the Northern and 
	            Southern Hemispheres. The near-real-time passive microwave brightness 
	            temperature data are acquired with the Special Sensor Microwave Imager/Sounder 
	            (SSMIS) on board the Defense Meteorological Satellite Program (DMSP) F17 
	            satellite. The SSMIS instrument is the next generation Special Sensor 
	            Microwave/Imager (SSM/I) instrument. SSMIS data are received daily from the 
	            Comprehensive Large Array-data Stewardship System (CLASS) at the National 
	            Oceanic and Atmospheric Administration (NOAA) and are gridded onto a polar 
	            stereographic grid. Investigators generate sea ice concentrations from these 
	            data using the NASA Team algorithm.

These data are stored as one-byte flat 
	            scaled binary arrays with one byte per pixel, at a resolution of 25 km. For 
	            each data file, a corresponding PNG image file is provided. These data are 
	            available via FTP for the most recent three to six months and are retained on 
	            the FTP site until NSIDC's Sea Ice Concentrations from Nimbus-7 SMMR and DMSP 
	            SSM/I Passive Microwave Data (preliminary data) become available for the same 
	            time period.

These data are primarily meant to provide a best estimate of 
	            current ice and snow conditions based on information and algorithms available 
	            at the time the data are acquired. Near-real-time products are not intended 
	            for operational use in assessing sea ice conditions for navigation and should 
	            be used with caution in extending the sea ice time series in NSIDC's Sea Ice 
	            Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data.
	         gmd:Purpose:  Scientific Research
	         gmd:Credit:  Maslanik, J. and J. Stroeve. 1999, updated daily. Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Sea Ice Concentrations. [indicate subset used]. Boulder, Colorado USA: NASA DAAC at the National Snow and Ice Data Center. 
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	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Jim Maslanik
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	                  gmd:phone:  
	                     gmd:CI_Telephone:  
	                     gmd:voice:  1 303 492-6199 
	                  gmd:address:  
	                     gmd:deliveryPoint:  National Snow and Ice Data Center
	                     gmd:city:  Boulder
	                     gmd:administrativeArea:  CO
	                     gmd:postalCode:  80309
	                     gmd:country:  USA
	                     gmd:electronicMailAddress:  nsidc@kryos.colorado.edu
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	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Jim Maslanik
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:phone:  
	                     gmd:CI_Telephone:  
	                     gmd:voice:  1 303 492-6199 
	                  gmd:address:  
	                     gmd:deliveryPoint:  National Snow and Ice Data Center
	                     gmd:city:  Boulder
	                     gmd:administrativeArea:  CO
	                     gmd:postalCode:  80309
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	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Julienne Stroeve
	            gmd:organisationName:  CIRES
	            gmd:positionName:  none
	            gmd:contactInfo:  
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	                     gmd:postalCode:  80309
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	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Kenneth Knowles
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	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Walt Meier
	            gmd:organisationName:  NASA Goddard Space Flight Center
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:address:  
	                     gmd:city:  Greenbelt
	                     gmd:administrativeArea:  MD
	                     gmd:postalCode:  20771
	                     gmd:country:  USA
	                     gmd:electronicMailAddress:  walter.n.meier@nasa.gov
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	         gmd:CI_ResponsibleParty:  
	            gmd:individualName:  Donald J. Cavalieri
	            gmd:organisationName:  NASA Goddard Space Flight Center
	            gmd:positionName:  none
	            gmd:contactInfo:  
	               gmd:CI_Contact:  
	                  gmd:phone:  
	                     gmd:CI_Telephone:  
	                     gmd:voice:  1 301 614-5901 x
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	                     gmd:city:  Greenbelt
	                     gmd:administrativeArea:  MD
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	               gmd:fileName:  http://nsidc.org/data/seaice/images/yesterday_nhem.png
	               gmd:fileDescription:  Most recent sea ice concentration data for the Northern Hemisphere. Sea ice concentration refers to the fraction of ice within each image pixel. This  image is color-coded to show varying levels of ice concentration for the Northern Hemisphere. Grey represents land. Pixels with at least 15 percent concentration are classified as sea ice. Pixels with less than 15 percent ice concentration are classified as water.
	      gmd:Descriptive_Keywords:  
	         gmd:MD_Keywords:  
	            gmd:keyword:  Continent > Antarctica
	            gmd:keyword:  Geographic Region > Arctic
	            gmd:keyword:  Geographic Region > Polar
	            gmd:type:  
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	            gmd:keyword:  EARTH SCIENCE > Cryosphere > Sea Ice > Sea Ice Concentration
	            gmd:keyword:  EARTH SCIENCE > Cryosphere > Sea Ice > Sea Ice Concentration
	            gmd:keyword:  EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Concentration
	            gmd:keyword:  EARTH SCIENCE > Oceans > Sea Ice > Sea Ice Concentration
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	            gmd:keyword:  EOSDIS > Earth Observing System Data Information System
	            gmd:keyword:  ESIP > Earth Science Information Partners Program
	            gmd:type:  
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	                           gmd:date:  2008-01-24
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	      gmd:Descriptive_Keywords:  
	         gmd:MD_Keywords:  
	            gmd:keyword:  Antarctic
	            gmd:keyword:  Arctic
	            gmd:keyword:  DMSP
	            gmd:keyword:  Gridded Data
	            gmd:keyword:  Ice
	            gmd:keyword:  Ice Concentration
	            gmd:keyword:  Near Real-time
	            gmd:keyword:  Passive Microwave
	            gmd:keyword:  Polar
	            gmd:keyword:  Polar Stereographic
	            gmd:keyword:  Remote Sensing
	            gmd:keyword:  Sea Ice
	            gmd:keyword:  Sea Ice Concentration
	            gmd:keyword:  SMMR
	            gmd:keyword:  Special Sensor Microwave Imager/Sounder
	            gmd:keyword:  SSM/I
	            gmd:keyword:  SSMIS
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	                  These data are intended to facilitate time-sensitive research dependent upon precise detection of seasonal polar sea ice formation and break up. These data are primarily meant to provide a best estimate of current ice and snow conditions based on information and algorithms available at the time the data are acquired. Near-real-time products are not intended for operational use in assessing sea ice conditions for navigation and should be used with caution in extending the sea ice time series. For historical SMMR and SSM/I sea ice concentration data, please see Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data.
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	                     gmd:description:  
	                     gmd:function:  
	                        gmd:CI_OnLineFunctionCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue=
	                  gmd:CI_OnlineResource:  
	                     gmd:linkage:  http://nsidc.org/data/docs/daac/nsidc0081_ssmi_nrt_seaice.gd.html
	                     gmd:description:  Documentation URL
	                     gmd:function:  
	                        gmd:CI_OnLineFunctionCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#CI_OnLineFunctionCode" codeListValue=information
	               gmd:offLine:  
	                  gmd:MD_Medium:  
	                     gmd:name:  
	                        gmd:MD_MediumNameCode codeList="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_MediumNameCode" codeListValue="onLine"
	                     gmd:density:  
	                     gmd:densityUnits:  
	                     gmd:mediumName:  FTP
	   gmi:Acquisition_Information:  
	      gmi:MI_Acquisition:  
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  SSM/I > Special Sensor Microwave/Imager
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:instrument:  
	            gmi:MI_Instrument:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  SSMIS > Special Sensor Microwave Imager/Sounder
	               gmi:type:  
	                  gco:CharacterString:  sensor
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  DMSP 5D-2/F13 > Defense Meteorological Satellite Program-F13
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  DMSP 5D-2/F15 > Defense Meteorological Satellite Program-F15
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A
	         gmi:platform:  
	            gmi:MI_Platform:  
	               gmi:identifier:  
	                  gmd:MD_Identifier:  
	                     gmd:code:  
	                        gco:CharacterString:  DMSP 5D-3/F17 > Defense Meteorological Satellite Program-F17
	               gmi:description:  
	                  gco:CharacterString:  satellite
	               gmi:instrument:  
	                  gco:CharacterString:  N/A