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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. Data were originally submitted to NOAA's National Geophysical Data Center (NGDC) for archive and were subsequently transferred to NOAA's National Climatic Data Center (NCDC) Paleoclimatology Group for stewardship.
Cite this dataset when used as a source.
Online Access
Distribution Formats
  • ASCII
Distributor Distributor information not available
Dataset No POCs available for this dataset
General Documentation
  • Publisher's landing page
    Web page of information about the database including links to full documentation and free data download.
Associated Resources
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 Centers for Environmental Information, NOAA, as the source of the data.
  • Not subject to copyright protection within the United States.
Originator(s)
  • William F. Ruddiman
    Lamont-Doherty Earth Observatory (LDEO)
  • Ann Esmay
    Lamont-Doherty Earth Observatory (LDEO)
Publisher(s)
  • DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
Time Period: 1989-12-31 to 1989-12-31
Spatial Reference System:
Spatial Bounding Box Coordinates:
N: 78.9
S: -46.05
E: 137.767
W: -140.85
Spatial Coverage Map:
Theme keywords
  • 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 Center keywords
  • WDC/PALEOCLIMATOLOGY, BOULDER > World Data Center for Paleoclimatology, Boulder
  • DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
  • DOC/NOAA/NESDIS/NGDC > National Geophysical Data Center, NESDIS, NOAA, U.S. Department of Commerce
Platform keywords
  • In Situ Ocean-based Platforms > SHIPS
Instrument keywords
  • In Situ/Laboratory Instruments > Corers > CORING DEVICES
  • In Situ/Laboratory Instruments > Corers > SEDIMENT CORERS
Place keywords
  • SOLID EARTH > CRUST
  • GEOGRAPHIC REGION > GLOBAL OCEAN
  • VERTICAL LOCATION > SEA FLOOR
  • OCEAN > ATLANTIC OCEAN
Project keywords
  • ICSU-WDS > International Council for Science - World Data System
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
Lineage information for: dataset
Lineage Statement Data originally submitted to NOAA's former National Geophysical Data Center (NGDC) then transferred to the former National Climatic Data Center (NCDC) Paleoclimatology for stewardship, both centers are now part of NOAA's National Centers for Environmental Information (NCEI). Processing and lineage prior to transmission to NGDC are unknown.
Processing Environment
Source Datasets
Lineage information for: Scope not available.
Acquisition Information (collection)
Last Modified: 2015-12-31
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