Dongsha Atoll Coral 45 Years Bimonthly Stable Isotope Data from cores collected on June 29, 2013 from 1968-2012 (NCEI Accession 0278113)
This dataset contains chemical data collected during deployment Dongsha_Atoll_expedition_Cohen_Lab-2014 from 1968-01-01 to 2012-12-31. These data include d15N. The instruments used to collect these data include Computerized Tomography (CT) Scanner. These data were collected by Abby Ren of National Taiwan University and Anne L. Cohen of Woods Hole Oceanographic Institution as part of the "Collaborative Research: Identifying the Role of Basin-scale Climate Variability in the Decline of Atlantic Corals (Coral climate effects)" project. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2021-05-20.
The following is the text of the dataset description provided by BCO-DMO:
Dongsha Atoll Coral 45 Years Bimonthly Stable Isotope Data
Dataset Description:
This dataset contains d18O (oxygen isotope of coral skeleton per mil VPDB) and d15N (nitrogen isotopes of coral skeleton-bound organic matter, permil vs air) values from Porites coral 751 from Dongsha Atoll from 1968-2012.
The following is the text of the dataset description provided by BCO-DMO:
Dongsha Atoll Coral 45 Years Bimonthly Stable Isotope Data
Dataset Description:
This dataset contains d18O (oxygen isotope of coral skeleton per mil VPDB) and d15N (nitrogen isotopes of coral skeleton-bound organic matter, permil vs air) values from Porites coral 751 from Dongsha Atoll from 1968-2012.
Dataset Citation
- Cite as: Cohen, Anne L.; Ren, Abby (2023). Dongsha Atoll Coral 45 Years Bimonthly Stable Isotope Data from cores collected on June 29, 2013 from 1968-2012 (NCEI Accession 0278113). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0278113. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0278113
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
Distributor |
NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov |
Dataset Point of Contact |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Time Period | 1968-01-01 to 2012-12-31 |
Spatial Bounding Box Coordinates |
West: 116.833333
East: 116.833333
South: 20.66666666
North: 20.66666666
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Dataset Progress Status | Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency | As needed |
Supplemental Information | Acquisition Description: Coral core collection and age model The two coral skeletal cores were collected from living Porites sp. colonies in June 2013 using an underwater pneumatic drill. The north reef flat core (“751”) was drilled to the base of the colony and reached 1 m in length, whereas the east lagoon core (“762”) is 0.5 m in length. Both corals lived in approximately 2 m deep water. The cores were passed through the Siemens Volume Zoom Spiral computed tomography (CT) scanner at Woods Hole Oceanographic Institution. Skeletal density was determined from the CT scans following the methods of DeCarlo et al. (2014). Annual calcification rates (g cm-2 yr-1 (DeCarlo et al., 2014)) were calculated as the product of annual density (g cm-3 ) and extension (cm yr-1), measured using the automated software program coralCT (DeCarlo & Cohen, 2016). The age model determined by counting annual growth bands in CT scan images was validated by comparing skeletal δ18 O with satellite sea-surface temperature by matching midpoints of δ18 O and SST. We observe a good correlation when comparing this remote sensing SST product with higher resolution NOAA SST product and with in situ measurement of SST from the northern reef flat. |
Purpose | This dataset is available to the public for a wide variety of uses including scientific research and analysis. |
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Last Modified: 2024-05-31T15:15:28Z
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov