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LDEO Carbonate Data - CaCO3 Percentages for 328 Sediments Cores, Principally from The Atlantic Ocean Spanning 100,000 to 200,000 Years bp

browse graphicsample locations in study area
LDEO Carbonate data were compiled under the direction of A. Esmay and W.F. Ruddiman at the Lamont-Doherty Earth Observatory of Columbia University. Data include CaCO3 percentages by interval down core for 328 sediments cores, principally from the Atlantic ocean. Data are derived primarily from two sources. First, cores analyzed during the CLIMAP project to generate stratigraphic control on cores from key deep-sea regions. Second, cores analyzed using almost entirely National Science Foundation funds, but through smaller grants to individuals and institutions. On average, cores span intervals of time of 100,000 to 200,000 years and have been analyzed at time steps of a few thousand years. Several cores span only the last deglaciation; a few cores cover much longer intervals, up to 3 million years. Samples are annotated as either bulk sediment, or fine-fraction. Data are available for free download.

Cite this dataset when used as a source.

Search and Download
  • G00998 data download (download)
    Web page of information about the database including links to full documentation and free data download from NGDC.
  • search by set (search)
    discovery via the NGDC marine geologic inventory
Distribution Formats
  • ASCII
Distributor DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Point of Contact DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
(303) 497-6339
geology.info@noaa.gov
General Documentation
  • dataset information page
    Web page of information about the database including links to full documentation and free data download from NGDC.
Originator
  • William F. Ruddiman
    Lamont-Doherty Earth Observatory (LDEO)
Originator
  • Ann Esmay
    Lamont-Doherty Earth Observatory (LDEO)
Publisher
  • National Geophysical Data Center, NOAA
Date(s)
  • publication: 1989-12-31
  • revision: 1989-12-31
Edition: First
Data Presentation Form: Digital table - digital representation of facts or figures systematically displayed, especially in columns
Dataset Progress Status Complete
Data Update Frequency: Not planned  -  Completed data set, no additions planned.
Supplemental Information: Also distributed by the World Data Center for Paleoclimatology
Purpose: Paleoceanographic Research
Use Limitations
  • Please cite the originator of the data set, the date downloaded, and the National Geophysical Data Center, NOAA, as the source of the data.
  • Produced by the NOAA National Geophysical Data Center. Not subject to copyright protection within the United States.
Time Period: 1989-12-31  to  1989-12-31
Spatial Reference System: urn:ogc:def:crs:EPSG:4326
Spatial Bounding Box Coordinates:
N: 78.9
S: -46.05
E: 137.767
W: -140.85
Spatial Coverage Map:
Themes
  • Scientific archives
  • Electronic records
  • Oceanography
  • Ocean bottom
  • Geology
  • Submarine geology
  • Marine sediments
  • Marine geology
  • Sea-floor characteristics
  • EARTH SCIENCE > Oceans > Marine Sediments > Sediment Chemistry
  • EARTH SCIENCE > OCEANS > Marine Sediments > Sediment Composition
  • EARTH SCIENCE > PALEOCLIMATE > Ocean/Lake Records > Sediments
  • EARTH SCIENCE > PALEOCLIMATE > Ocean/Lake Records > Stratigraphic Sequence
Data Centers
  • WDC/GEOPHYSICS, BOULDER > World Data Center for Geophysics, Boulder
  • DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Platforms
  • In Situ Ocean-based Platforms > SHIPS
Instruments
  • In Situ/Laboratory Instruments > Corers > CORING DEVICES
  • In Situ/Laboratory Instruments > Corers > SEDIMENT CORERS
Places
  • SOLID EARTH > CRUST
  • GEOGRAPHIC REGION > GLOBAL OCEAN
  • VERTICAL LOCATION > SEA FLOOR
  • OCEAN > ATLANTIC OCEAN
Projects
  • Unknown
Use Constraints
  • 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.
Access Constraints
  • Access to this dataset is unrestricted.
Fees
  • free online download
Source Datasets
Lineage Statement Lineage prior to transfer to NGDC is unknown.
Processing Environment Native Dataset Environment: ASCII text

Metadata Last Modified: 2014-05-05

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