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Metadata Identifier: gov.noaa.ngdc.mgg.geology:G02885

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 Biogenic Silica and Carbon 14 Age Dates from Lake Victoria Cruise V95 Cores The LLO operates in conjunction with the Limnological Research Center (LRC) in working towards fulfilling the objectives of the International Decade for the East African Lakes (IDEAL) to study the East African Lakes. The Lake Victoria project is funded by NSF. Like Lake Victoria, extensive work is being continued on Lake Malawi, Lake Turkana, and Lake Edward. In addition to the East African lakes, the LLO is working on Lake Issyk Kul', Lake Nicaragua, and Lake Superior. Summary: The Biogenic Silica Data file contains data for 5 cores taken from various sites in Lake Victoria. The data include ship, coring date, water depth, latitude/longitude, sampling device, sampled interval, % biogenic silica, and 14C dates. Cores were sampled at 10 cm intervals for biogenic silica analysis. Samples taken for 14C dating were prepared at the LRC Laboratory and sent to an outside AMS Facility for analysis. Pollen, charcoal, and plant macrofossils were dated. Biogenic Silica analysis was done using a timed, wet extraction technique adapted from D. J. DeMaster (1979). The analysis was done using 0.5 M NaOH at 85 0C.
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SV_Identification

none found
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CI_Citation

Count Component Title Date Citation Identifier
1 Biogenic Silica and Carbon 14 Age Dates from Lake Victoria Cruise V95 Cores
  • 1997-11-03
  • 1997-11-03
1 CIESIN Keyword Thesaurus
    1 Documentation for the null dataset.
    • 1997-11-03
    1 INFOTERRA Keyword Thesaurus
      1 The Marine Budgets of Silica and 32Si.
      • 1979-12-31
      Unresolved Xlinks
      NASA/GCMD Project Keywords at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:descriptiveKeywords[1]/gmd:MD_Keywords[1]/gmd:thesaurusName[1]
      NASA/GCMD Science Keywords at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:descriptiveKeywords[2]/gmd:MD_Keywords[1]/gmd:thesaurusName[1]
      NASA/GCMD Platform Keywords at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:descriptiveKeywords[3]/gmd:MD_Keywords[1]/gmd:thesaurusName[1]
      NASA/GCMD Instrument Keywords at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:descriptiveKeywords[4]/gmd:MD_Keywords[1]/gmd:thesaurusName[1]
      NASA/GCMD Data Center Keywords at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:descriptiveKeywords[7]/gmd:MD_Keywords[1]/gmd:thesaurusName[1]
      NASA/GCMD Location Keywords at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:descriptiveKeywords[8]/gmd:MD_Keywords[1]/gmd:thesaurusName[1]
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      CI_Series

      Count Component Name Issue Identification Page
      1 Marine Geology and Geophysics (MGG) MGG 94075001
      1 Yale University Ph. D. Thesis
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      CI_ResponsibleParty

      Count Component Individual Organization Position Email Role Linkage
      1 David J. DeMaster author
      1 David J. DeMaster Department of Marine, Earth and Atmospheric Sciences, North Carolina State University demaster@ncsu.edu author http://www.meas.ncsu.edu/
      1 National Geophysical Data Center, NOAA publisher
      Unresolved Xlinks
      pointOfContact - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce at: /gmi:MI_Metadata/gmd:contact[1]
      pointOfContact - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce at: /gmi:MI_Metadata/gmd:identificationInfo[1]/gmd:MD_DataIdentification[1]/gmd:pointOfContact[1]
      Marine Geology Data Manager - distributor - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce at: /gmi:MI_Metadata/gmd:distributionInfo[1]/gmd:MD_Distribution[1]/gmd:distributor[1]/gmd:MD_Distributor[1]/gmd:distributorContact[1]
      Carla J. Moore - custodian - DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce at: /gmi:MI_Metadata/gmd:metadataMaintenance[1]/gmd:MD_MaintenanceInformation[1]/gmd:contact[1]
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      CI_OnlineResource

      Count Component Linkage Name Description Function
      1 http://www.meas.ncsu.edu/ http://www.meas.ncsu.edu/ Contributors web site information
      1 http://www.ngdc.noaa.gov/mgg/geology/data/lakes/lake_victoria/v95/94075001/94075001.tar.gz http://www.ngdc.noaa.gov/mgg/geology/data/lakes/lake_victoria/v95/94075001/94075001.tar.gz Compressed tar file of all data and documentation. download
      1 http://www.ngdc.noaa.gov/mgg/geology/llo.html http://www.ngdc.noaa.gov/mgg/geology/llo.html Web page of information about the database including links to full documentation and free data download from NGDC. information
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      MD_Identifier or RS_Identifier

      Count Component Code
      1 various
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      EX_Extent

      Bounding Box Temporal Extent
      Count Component Description West East North South Start End
      1 Lake Victoria, East Africa 32.8285 33.4553 -0.4605 -1.593 1995-04-08 1995-04-12
      Unresolved Xlinks
      #boundingExtent at: /gmi:MI_Metadata/gmd:dataQualityInfo[1]/gmd:DQ_DataQuality[1]/gmd:scope[1]/gmd:DQ_Scope[1]/gmd:extent[1]
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      EX_GeographicBoundingBox

      Count Component West East North South
      1 32.8285 33.4553 -0.4605 -1.593
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      EX_TemporalExtent

      Count Component Start End
      1 1995-04-08 1995-04-12
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      MD_Format

      Count Component Name Version specification
      1 ASCII UTF-8 American Standard Code for Information Interchange (ASCII) text format.
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      MD_Medium

      none found
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      MD_Constraints

      Count Component Use Limitation
      1 Please cite the originator of the data set, the date downloaded, and the National Geophysical Data Center, NOAA, as the source of the data.
      1 NGDC Copyright Statement Produced by the NOAA National Geophysical Data Center. Not subject to copyright protection within the United States.
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      MD_ReferenceSystem

      Unresolved Xlinks
      European Petroleum Survey Group (EPSG) Geodetic Parameter Registry at: /gmi:MI_Metadata/gmd:referenceSystemInfo[1]
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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

      Count Component Title Code Association Type Code
      1 The Marine Budgets of Silica and 32Si. crossReference
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      LE_Source or LI_Source

      Count Component Title Date Description
      1 Unknown D.J. DeMaster, University of Minnesota, Large Lakes Observatory
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      LE_ProcessStep or LI_ProcessStep

      Count Component DateTime Description
      1 1977-11-03T00:00:00 Received data from originator
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      MI_Operation

      none found
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      MI_Platform

      Unresolved Xlinks
      SHIPS > SHIPS at: /gmi:MI_Metadata/gmi:acquisitionInformation[1]/gmi:MI_AcquisitionInformation[1]/gmi:platform[1]
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      MI_Instrument

      Count Component Code Type Description
      1 various
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