Special Sensor Microwave Imager/Sounder (SSMIS) Sensor Data Record (SDR) in netCDF


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    metadataStandardVersion:  ISO 19115-2:2009(E)
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        citation:  (CI_Citation)
            title:  Special Sensor Microwave Imager/Sounder (SSMIS) Sensor Data Record (SDR) in netCDF
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                date:  2009-01-14
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                        name:  SSM/I and SSMIS Monitoring and Documentation
                        description:  Information and links about SSM/I and SSMIS sensors aboard DMSP satellites.
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        abstract:  The Special Sensor Microwave Imager/Sounder (SSMIS) is a series of passive microwave conically scanning imagers and sounders onboard the DMSP satellites beginning with F-16. SSMIS improves upon the surface and atmospheric retrievals of the previous Special Sensor Microwave Imager (SSM/I), and upon the atmospheric temperature and water vapor sounding capabilities of both the Special Sensor Microwave Temperature Sounder (SSM/T-1) and the Special Sensor Microwave Humidity Sounder (SSM/T-2). The SSMIS imaging and sounding sensors are able to estimate atmospheric temperature, moisture, and surface parameters. This sensor data record (SDR) contains SSMIS brightness temperatures since November 2005 that have been surface tagged, calibrated, Doppler corrected, cross polarization and spill-over corrected or APC corrected according to Earth surface type, averaged along scan and along the ground track. The data have been converted to netCDF 3-hourly files.
        purpose:  This SSMIS sensor data record provides valuable information on key climate parameters such as water vapor, precipitation, snow cover, sea-ice extent and land-surface temperatures.
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            keyword:  Earth Science > Spectral/Engineering > Microwave > Brightness Temperature
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                title:  Global Change Master Directory (GCMD) Science Keywords
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            keyword:  DMSP 5D-2/F16 > Defense Meteorological Satellite Program-F16
            keyword:  DMSP 5D-3/F17 > Defense Meteorological Satellite Program-F17
            keyword:  DMSP 5D-3/F18 > Defense Meteorological Satellite Program-F18
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                description:  DMSP F-16 launched. Instruments: OLS, SSMIS, SSJ/5, SSIES and SSM.
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                dateTime:
                  DateTime:  2005-11-04T00:00:00
            processStep:  (LE_ProcessStep)
                description:  DSMP F-17 launched. Instruments: OLS, SSMIS, SSJ/5, SSIES and SSM.
                dateTime:
                  DateTime:  2006-11-04T00:00:00
            processStep:  (LE_ProcessStep)
                description:  DSMP F-18 intended launch. Instruments: SSMIS.
                dateTime:
                  DateTime:  2007-10-01T00:00:00
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) repository
            levelDescription:  (MD_ScopeDescription)
                other:  NOAA National Centers for Environmental Information
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
                dateTime:
                  DateTime:  2015-04-22T00:00:00
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Bulk metadata change applied on 2018-11-05. See version control repository history for metadata change details.
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:   SSMIS > Special Sensor Microwave Imager/Sounder
            type:  imager and sounder
            description:  Collection Type: conical scan, Collection Description: The SSMIS sensor is a passive conically scanning microwave radiometer that combines and extends the current imaging and sounding capabilities of three previously separate DMSP microwave sensors: the SSM/T-1 temperature sounder, the SSMI/T- 2 moisture sounder, and the SSM/I. The SSMIS instrument measures microwave energy at 24 discrete frequencies from 19 to 183 GHz with a swath width of 1700 km.
        operation:  (MI_Operation)
            description:  The DMSP designs, builds, launches, and maintains satellites monitoring the meteorological, oceanographic, and solar-terrestrial physics environments. Equipped with a sophisticated sensor suite that can image visible and infrared cloud cover, the satellites collect specialized meteorological, oceanographic, and solar-geophysical information in all weather conditions.
            identifier:  (MD_Identifier)
                code:  DMSP > Defense Meteorological Satellite Program
            status: (unknown)
            parentOperation: (inapplicable)
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  > DMSP 5D-2/F14 > Defense Meteorological Satellite Program-F14
            description:  DMSP F14 - Launched on April 10, 1997. Instruments: OLS, SSB/X-2, SSI/ES-2, SSJ/4, SSM, SSM/I, SSM/T and SSM/T2. Operational dates: April 4, 1997 - present.
            sponsor:  (CI_ResponsibleParty)
                organisationName:  DMSP > Defense Meteorological Satellite Program
                role:  (CI_RoleCode) sponsor
            instrument: (missing)
        platform:  (MI_Platform)
            identifier:  (MD_Identifier)
                code:  > DMSP 5D-2/F16 > Defense Meteorological Satellite Program-F16
            description:  DMSP 5D-2/F16 - Launched on October 18, 2003. Instruments: SSMIS. Operational dates: November 4, 2005 - present.
            sponsor:  (CI_ResponsibleParty)
                organisationName:  DMSP > Defense Meteorological Satellite Program
                role:  (CI_RoleCode) sponsor
            instrument: (missing)