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Metadata Identifier: gov.noaa.ngdc.stp.dmsp:G01119

Aggregation Info | Bands | Citations | Constraints | Coverage Descriptions | Dimensions | Extents | Formats | Geographic Bounding Box
Georectified Information | Georeferenceable Information | Identifiers | Instruments | Mediums | OnlineResources | Operations
Platforms | Process Steps | Range Elements | Reference Systems | Responsible Parties | Series | Sources | Spatial Grids | Temporal Extents

MD_DataIdentification

Count Component Title Abstract
1 DMSP OLS - Operational Linescan System Visible and infrared imagery from DMSP Operational Linescan System (OLS) instruments are used to monitor the global distribution of clouds and cloud top temperatures twice each day. The archive data set consists of low resolution global and high resolution regional, imagery recorded along a 3,000 km scan, satellite ephemeris and solar and lunar information. Infrared pixel values correspond to a temperature range of 190 to 310 Kelvins in 256 equally spaced steps. Onboard calibration is performed during each scan. Visible pixels are relative values ranging from 0 to 63 rather than absolute values in Watts per m^2. Instrumental gain levels are adjusted to maintain constant cloud reference values under varying conditions of solar and lunar illumination. Telescope pixel values are replaced by Photo Multiplier Tube (PMT) values at night. A telescope pixel is 0.55 km at high resolution (fine mode) and 2.7 km at low resolution(smooth mode). Low resolution values are the mean of the appropriate 25 high resolution values.
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 DMSP OLS - Operational Linescan System
  • 1992-01-01
OLS
1 DMSP Raw Data Records (RDR)
RDR
1 NASA/GCMD Data Center Keywords
    1 NASA/GCMD Earth Science Keywords
      1 NASA/GCMD Location Keywords
        1 Uncontrolled Keywords
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          CI_Series

          none found
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          CI_ResponsibleParty

          Count Component Individual Organization Position Email Role Linkage
          1 http://www.ngdc.noaa.gov/dmsp/
          3 DMSP Data Manager DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce ngdc.dmsp@noaa.gov pointOfContact
          1 DMSP Data Manager DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce ngdc.dmsp@noaa.gov distributor
          1 DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce (comp) originator
          2 DOD/USAF/AFWA > Air Force Weather Agency, U.S. Air Force, U.S. Department of Defense originator
          1 Edward H. Erwin DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce ngdc.dmsp@noaa.gov processor
          1 National Geophysical Data Center publisher
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          CI_OnlineResource

          Count Component Linkage Name Description Function
          1 http://www.ngdc.noaa.gov/dmsp/ Defense Meteorological Satellite Program Home page for DMSP archive, research and products at NGDC information
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          MD_Identifier or RS_Identifier

          Count Component Code
          1 Defense Meteorological Satellite Program
          1 Defense Meteorological Satellite Program F10 (DMSP 5D-2/F10)
          1 Defense Meteorological Satellite Program F11 (DMSP 5D-2/F11)
          1 Defense Meteorological Satellite Program F12 (DMSP 5D-2/F12)
          1 Defense Meteorological Satellite Program F13 (DMSP 5D-2/F13)
          1 Defense Meteorological Satellite Program F14 (DMSP 5D-2/F14)
          1 Defense Meteorological Satellite Program F15 (DMSP 5D-3/F15)
          1 Defense Meteorological Satellite Program F16 (DMSP 5D-3/F16)
          1 OLS
          1 OLS > Operational Linescan System
          1 RDR
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          EX_Extent

          Bounding Box Temporal Extent
          Count Component Description West East North South Start End
          1 -180.000000 180.000000 90.000000 -90.000000 1975-04-01
          1 1992-01-01
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          EX_GeographicBoundingBox

          Count Component West East North South
          1 -180.000000 180.000000 90.000000 -90.000000
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          EX_TemporalExtent

          Count Component Start End
          1 1975-04-01
          1 1992-01-01
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          MD_Format

          none found
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          MD_Medium

          none found
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          MD_Constraints

          Count Component Use Limitation
          1 While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by any errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty.
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          MD_ReferenceSystem

          none found
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          MD_GridSpatialRepresentation

          none found
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          MD_Georeferenceable or MI_Georeferenceable

          none found
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          MD_Georectified or MI_Georectified

          none found
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          MD_Dimension

          none found
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          MD_CoverageDescription or MI_CoverageDescription

          none found
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          MD_Band or MI_Band

          none found
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          MI_RangeElementDescription

          none found
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          MD_AggregateInformation

          none found
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          LE_Source or LI_Source

          Count Component Title Date Description
          1 DMSP Raw Data Records (RDR) Source Contribution: DMSP Raw Data Files Source Type: digital database file
          Unresolved Xlinks
          #RDR at: /gmi:MI_Metadata/gmd:dataQualityInfo[1]/gmd:DQ_DataQuality[1]/gmd:lineage[1]/gmd:LI_Lineage[1]/gmd:processStep[1]/gmi:LE_ProcessStep[1]/gmd:source[1]
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          LE_ProcessStep or LI_ProcessStep

          Count Component DateTime Description
          1 OLS data are decompressed, reordered, restructured and deinterleaved. Satellite ephemeris are computed using a four body orbital mechanics program with observed, rather than predicted, orbital elements used as input. Missing scan lines are correctly positioned. Quality assessments are made of each pixel and characterized for the each complete scan line.
          #RDR at Xpath: /gmi:MI_Metadata/gmd:dataQualityInfo[1]/gmd:DQ_DataQuality[1]/gmd:lineage[1]/gmd:LI_Lineage[1]/gmd:processStep[1]/gmi:LE_ProcessStep[1]/gmd:source[1]
          #OLS at Xpath: /gmi:MI_Metadata/gmd:dataQualityInfo[1]/gmd:DQ_DataQuality[1]/gmd:lineage[1]/gmd:LI_Lineage[1]/gmd:processStep[1]/gmi:LE_ProcessStep[1]/gmi:output[1]
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          MI_Operation

          Count Component Code Type Status Description
          1 Defense Meteorological Satellite Program
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          MI_Platform

          Count Component Code Description
          1 Defense Meteorological Satellite Program F10 (DMSP 5D-2/F10)
          1 Defense Meteorological Satellite Program F11 (DMSP 5D-2/F11)
          1 Defense Meteorological Satellite Program F12 (DMSP 5D-2/F12)
          1 Defense Meteorological Satellite Program F13 (DMSP 5D-2/F13)
          1 Defense Meteorological Satellite Program F14 (DMSP 5D-2/F14)
          1 Defense Meteorological Satellite Program F15 (DMSP 5D-3/F15)
          1 Defense Meteorological Satellite Program F16 (DMSP 5D-3/F16)
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          MI_Instrument

          Count Component Code Type Description
          1 OLS > Operational Linescan System
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