NOAA/WDS Paleoclimatology - Bard et al. 1996 Tahiti Deglacial Relative Sea Level Reconstruction
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Climate Reconstruction. The data include parameters of climate reconstructions|corals and sclerosponges with a geographic location of French Polynesia, Polynesia. The time period coverage is from 13700 to 3000 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.
- Cite as: Bard, E.; Hamelin, B.; Arnold, M.; Montaggioni, L.; Cabioch, G.; Faure, G.; Rougerie, F. (2002-07-01): NOAA/WDS Paleoclimatology - Bard et al. 1996 Tahiti Deglacial Relative Sea Level Reconstruction. [indicate subset used]. NOAA National Centers for Environmental Information. https://doi.org/10.25921/1tn1-4n64. Accessed [date].
- Please refer to Credit tab for full citation information.
- doi:10.25921/1tn1-4n64
- noaa-recon-6296
- NCEI DSI 1200_02
- NCEI DSI 1200_01
noaa-recon-6296
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Distributor | NOAA National Centers for Environmental Information
ncei.info@noaa.gov |
Dataset Point of Contact | NOAA National Centers for Environmental Information
ncei.info@noaa.gov |
Dataset Point of Contact | Data Center Contact
NOAA World Data Service for Paleoclimatology 828-271-4800 paleo@noaa.gov |
Coverage Description | Date Range: 13700 cal yr BP to 3000 cal yr BP; |
Time Period | -11750 to -1050 |
Spatial Bounding Box Coordinates |
N: -17.533333
S: -17.533333
E: -149.566667
W: -149.566667
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Data Presentation Form | Digital table - digital representation of facts or figures systematically displayed, especially in columns
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Dataset Progress Status | Complete - production of the data has been completed |
Data Update Frequency | Data update frequency not available |
Supplemental Information |
ABSTRACT SUPPLIED BY ORIGINATOR: The timing of the last deglaciation is important to our understanding of the dynamics of large ice sheets and their effects on the Earth's surface. Moreover, the disappearance of the glacial ice sheets was responsible for dramatic increases in freshwater fluxes to the oceans, which probably disturbed the ocean's thermohaline circulation and, hence, global climate. Sea-level increases bear witness to the melting of continental ice sheets, but only two such records—from Barbados and New Guinea corals—have been accurately dated. But these corals overlie active subduction zones, where tectonic movements are large and often discontinuous (especially in New Guinea), so the apparent sea-level records may be contaminated by a complex tectonic component. Here we date fossil corals from Tahiti, which is far from plate boundaries (and thus is likely to be tectonically relatively stable) and remote from the locations of large former ice sheets. The resulting record indicates a large sea-level jump shortly before 13,800 calendar years BP, which corresponds to meltwater pulse 1A in the Barbados coral records. The timing of this event is more accurately constrained in the Tahiti record, revealing that the meltwater pulse coincides with a short and intense climate cooling event that followed the initiation of the Bølling–Allerød warm period, but preceded the Younger Dryas cold event by about 1,000 years.
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Purpose | Records of past temperature, precipitation, and other climate variables derived from paleoclimate proxies. Parameter keywords describe what was measured in this data set. Additional summary information can be found in the abstracts of papers listed in the data set citations. |
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Theme keywords | Global Change Master Directory (GCMD) Science Keywords
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Data Center keywords | Global Change Master Directory (GCMD) Data Center Keywords
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Last Modified: 2024-05-03
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