noaa-coral-12884
Seychelles Coral Bleaching 20 Year Stable Isotope Data
Levy, O.; Rosenfeld, M.; Yam, R.; Shemesh, A.
Seychelles Coral Bleaching 20 Year Stable Isotope Data
2012-03-27
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/12884
Investigator
O.
Levy
Investigator
M.
Rosenfeld
Investigator
R.
Yam
Investigator
A.
Shemesh
earth science
paleoclimate
corals and sclerosponges
age,null,null,year Common Era,null,corals and sclerosponges,null,null,N,null
earth science
paleoclimate
corals and sclerosponges
delta 13C,Porites sp.,null,per mil VPDB,null,corals and sclerosponges,interpolated,isotope ratio mass spectrometry,N,null
earth science
paleoclimate
corals and sclerosponges
delta 18O,Porites sp.,null,per mil VPDB,null,corals and sclerosponges,interpolated,isotope ratio mass spectrometry,N,null
earth science
paleoclimate
corals and sclerosponges
oxygen isotopes
earth science
paleoclimate
corals and sclerosponges
carbon isotopes
geoscientificInformation
PAGES 2k Network
PAGES Ocean 2k
1982 AD
2002 AD
-32 cal yr BP
-52 cal yr BP
Complete
-7
-7
52.75
52.75
Ocean
Indian Ocean
Seychelles
Alphonse Atoll>LATITUDE -7>LONGITUDE 52.75
None
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English
DOC/NOAA/NESDIS/NCEI
National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce
https://www.ncdc.noaa.gov/data-access/paleoclimatology-data
DATA Center Contact
Bruce
Bauer
bruce.a.bauer@noaa.gov
paleo@noaa.gov
303-497-6280
303-497-6513
325 Broadway, E/NE31
Boulder
CO
80305-3328
USA
online
ASCII
Levy, O., M. Rosenfeld, R. Yam, and A. Shemesh. 2006.
Heterogeneity of coral skeletons isotopic compositions
during the 1998 bleaching event.
Limnology and Oceanography, Vol. 51(2), pp. 1142-1148.
DOI: 10.4319/lo.2006.51.2.1142
The vulnerability of coral reefs to climate change, such as
regional warming, became fully evident during the strong
1997-1998 El Nino event. This El Nino episode was associated
with elevated sea-surface temperatures and caused mass mortality
throughout many of the world's coral reefs. We analyzed the
isotopic manifestation of this event in six Porites sp. coral
skeletons from different localities in a small atoll (Alphonse)
at the Seychelles Island. The aim was to validate the use of coral
stable isotope compositions as recorders of such events in the past.
The coupling between local-scale environment and global warming
was weaker then expected, with regional warming being evident
only when data from five colonies were averaged. Local conditions
had a large effect on the isotopic compositions of coral skeletons.
We conclude that future paleoclimate reconstructions, especially
those attempts to identify past El Nino events, must be based on
more than a single coral record. Moreover, the strong effect
of local habitat on the isotopic composition of Porites sp.
has to be considered when interpreting d13C and d18O records.
STUDY NOTES: Coral stable isotope (d18O and d13C) data at monthly resolution
from 6 corals collected near Alphonse Atoll, Seychelles, Indian Ocean.
Data span the 1998 bleaching event.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/coral/indian_ocean/seychelles2006.xls
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/coral/indian_ocean/seychelles2006.txt
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11