Total Sediment Thickness of the World's Oceans & Marginal Seas
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dateStamp: 2017-09-25
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title: Total Sediment Thickness of the World's Oceans & Marginal Seas
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date: 2003-12-23
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abstract: A digital total-sediment-thickness database for the world's oceans and marginal seas has been compiled by the NOAA National Geophysical Data Center (NGDC). The data were gridded with a grid spacing of 5 arc-minutes by 5 arc-minutes. Sediment-thickness data were compiled from three principle sources: (i) previously published isopach maps including Ludwig and Houtz [1979], Matthias et al. [1988], Divins and Rabinowitz [1990], Hayes and LaBrecque [1991], and Divins [2003]; (ii) ocean drilling results, both from the Ocean Drilling Program (ODP) and the Deep Sea Drilling Project (DSDP); and (iii) seismic reflection profiles archived at NGDC as well as seismic data and isopach maps available as part of the IOC's International Geological-Geophysical Atlas of the Pacific Ocean [Udinstev, 2003].
purpose: To create a global sediment-thickness database for use by researchers and interested public.
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fileDescription: Image of total sediment thickness of the world's oceans and marginal seas.
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keyword: EARTH SCIENCE>OCEANS>Marine Sediments
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keyword: H : 1 km - < 10 km or approximately .01 degree - < .09 degree
keyword: V : 1 meter - < 10 meters
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keyword: Ocean>Atlantic Ocean
keyword: Ocean>Indian Ocean
keyword: Ocean>Pacific Ocean
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keyword: DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
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otherConstraints: Distribution liability: NOAA and NCEI make no warranty, expressed or implied, regarding these data, nor does the fact of distribution constitute such a warranty. NOAA and NCEI cannot assume liability for any damages caused by any errors or omissions in these data. If appropriate, NCEI can only certify that the data it distributes are an authentic copy of the records that were accepted for inclusion in the NCEI archives.
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title: Isopach Map of the Sediments in the Pacific Ocean Basin
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date: 1979-01-01
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title: Sediment Thickness map of the Indian Ocean
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title: Thickness of Sedimentary Cover for the South Atlantic
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title: Sediment Isopachs: Circum-Antarctic to 30S,
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title: Thickness of Sedimentary Cover in the Eastern Pacific Ocean
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beginPosition: 1979-01-01
endPosition: 2003-01-01
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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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evaluationMethodDescription: NGDC made every effort to obtain all available sediment thickness compilations and data for use in building the global sediment-thickness grid.
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measureDescription: The distribution of sediments in the oceans is controlled by five primary factors: 1. Age of the underlying crust 2. Tectonic history of the ocean crust 3. Structural trends in basement 4. Nature and location of sediment source, and 5. Nature of the sedimentary processes delivering sediments to depocenters
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description: The sediment isopach contour maps for the Pacific were digitized by Greg Cole of Los Alamos National Laboratory, for the Indian Ocean by Carol Stein of Northwestern University, and the South Atlantic and Southern Ocean by Dennis Hayes of Lamont-Doherty Earth Observatory.
dateTime:
DateTime: 2000-01-01T00:00:00
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description: The digitized data were then gridded at NGDC using the algorithm for "Gridding with Continuous Curvature Splines in Tension" of Smith and Wessel [1990].
dateTime:
DateTime: 2003-01-01T00:00:00
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maintenanceNote: Translated from FGDC 2012-10-10T10:31:49.827-06:00
maintenanceNote: Last Metadata Review Date: 2017-09-25
maintenanceNote: This record has been automatically modified to include references to NCEI where applicable on 2015-09-01.
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