Paleoceanography

More about Paleoceanography Data at NGDC

CLIMAP 120K Data Set

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The CLIMAP (Climate: Long-range Investigation, Mapping, and Prediction) Project was funded by the National Science Foundation as part of the International Decade of Ocean Exploration (IDOE). Collection and analysis of cores for the 120K bp CLIMAP set was carried out by several institutions; data were compiled by the Lamont-Doherty Earth Observatory of Columbia University. Data include micropaleontology, carbonate percentages, carbon 14 age dates, sea surface temperature estimates, and oxygen and carbon isotopic data for 52 ocean sediment cores. Data cover the period from 140,000 to 100,000 years before present and are global in extent.

CLIMAP 18K Data Set

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This data set contains the data files of the CLIMAP project for 18,000 BP, including planktonic counts and core mineralogy. Raw data are contained in the file sed.dat, documentation is incorporated in this README file. Files ending in *.txt were derived by WDC-A for Paleoclimatology at NGDC. Related files including sea surface temperature estimates and surface conditions are available through the WDC-A for Paleoclimatology, including SST models.

Carbonate Data from LDEO and Brown University

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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. Weight percentages of calcium carbonate in the Brown file were compiled by J. Farrell and W. L. Prell of Brown University for 17 equatorial Pacific Ocean sediment cores.

Heat Flow Data Cruise MD72 RV Marion Dufresne Universite Francaise du Pacifique

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Data were gathered by the R/V Marion Dufresne in May and June of 1992 over the Mascarene Ridge in the Indian Ocean on cruise MD72/MASCAFLUX. Heat flow measurements for 96 in-situ readings including both thermal conductivity and thermal gradient were recorded along two profiles perpendicular to the mascarene ridge.

Index to Marine and Lacustrine Geological Samples

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The Index to Marine and Lacustrine Geological Samples is a collaboration between twenty institutions and agencies that operate geological sample repositories. The purpose of the database is to help researchers locate sea floor and lakebed cores, grabs, dredges, and drill samples in their collections.

Japan Oceanographic Data Center Sediment File

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This file was compiled by the Japan Oceanographic Data Center using the Intergovernmental Oceanographic Commission (IOC) Marine Geological Data Format in use at the time of its origin (see readme file). It includes 748 master records and 1740 data records. It contains information on unconsolidated sediments and hard rocks from the seafloor, including station location, collecting institution and ship, date of collection, type of collecting device, analysis method(s), grain size information, biogenous components, structure, non-biogenous components, age, sediment color, and remarks. Igneous, sedimentary, and metamorphic rocks are also noted including encrustations, and erratics.

LDEO Carbon 14 Data Files

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Carbon-14 data in this file were compiled by W.F. Ruddiman and staff at the Lamont-Doherty Earth Observatory of Columbia University. Data include 974 carbon-14 dates from 309 ocean sediments cores, covering the period from 40,000 years bp to the present worldwide. Estimated error range is given. Also included are core identifier, latitude/longitude, water depth, depth in core, institutional source, laboratory number, and sediment fraction analyzed (total, bulk, or fine fraction).

LDEO Fossil Plankton Stratigraphies Database 1

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Data include foraminifer census counts and sea surface temperature estimates derived from marine sediment cores from the north Atlantic Ocean. Documentation for the faunal data is at the end of this README.faunal1 file. Documentation for the SST data is in file README.sst. The data set includes counts by Dr.'s Ruddiman, Kellogg, and Sancetta. The readme files contain complete documentation of the formats, counting methods, and SST transfer functions.

Marine Geology Inventory

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The NGDC marine geology inventory provides searches of, and links to all digital and analog data archived by NGDC. All digital data files are available for free download, and most data reports are viewable in .PDF form, through inventory searches. Search results include links to related data and information.

Records of Lead and other Heavy Metal Inputs, Sediment Cores from Ala Wai Canal, Oahu, Hawaii

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De Carlo, Eric H. and Khalil J. Spencer, 1995, Records of Lead and Other Heavy Metal Inputs to Sediments of the Ala Wai Canal, O'ahu, Hawai'i, Pacific Science vol. 49, no. 4, p. 571-491.

SPECMAP Archive No. 1

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The SPECMAP Archive No.1 was compiled by Brown University under the direction of A. Duffy and J. Imbrie with the assistance of A.C. Mix and A. Mcintyre, funded by the National Science Foundation. The SPECMAP Archive No.1 Contains climate times series of the past 400,000 years, and basic downcore and core-top data from which these time series were derived for 17 sediment cores from the Atlantic Ocean.

USGS Continental Margin (CONMAR) Sediment File

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The USGS/WHOI Continental Margin (CONMAR) Data set was compiled by the US Geological Survey and the Woods Hole Oceanographic Institution as a joint program of study of the Atlantic continental margin of the US. The CONMAR set contains information for 3,715 cores, dredges, and grab samples, and consists of 20 files of grain size analyses/statistical parameters, composition of clay, sand, gravel and carbonate fractions, organic contents, heavy mineral and x-ray analyses, radioactivity counts, and major chemical and trace-element analyses.

Univ. of Minnesota, Large Lakes Observatory Lake Victoria Cruise V95 Cores Biogenic Silica and Carbon 14 Age Dates

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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.

PUBLICATION Icon WDCA-MGG-1 DSDP V.1-44 Overview, G.R. Heath

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Report MGG-1 draws together and presents, as an organized body of knowledge, an overview of laboratory techniques, methodology, definitions, and assumptions used to derive the sedimentological results presented in Volumes 1-44 of the Initial Reports of the Deep Sea Drilling Project.

PUBLICATION Icon WDCA-MGG-4 Lithologic Data from Pacific Ocean DSDP Cores

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WDCA-MGG-4 Lithologic Data from Pacific Ocean DSDP Cores - By L.F. Musich, T.A. Davies, P.B. Woodbury, and D.F. Marsee. Prepared by the DSDP staff, Scripps Inst. of Oceanography. 447 pages, softbound.


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