noaa-coral-1921
Pedro Bank, Exuma Sound - Sclerosponge Sr/Ca Temperature Calibration Data
Rosenheim, B.; Swart, P.K.; Thorrold, S.R.; Willenz, P.; Berry, L.; Latkoczy, C.
Pedro Bank, Exuma Sound - Sclerosponge Sr/Ca Temperature Calibration Data
2004-07-01
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/1921
Investigator
B.
Rosenheim
Investigator
P.K.
Swart
Investigator
S.R.
Thorrold
Investigator
P.
Willenz
Investigator
L.
Berry
Investigator
C.
Latkoczy
earth science
paleoclimate
corals and sclerosponges
strontium/calcium,Ceratoporella nicholsoni,null,millimole per mole,null,corals and sclerosponges,raw,inductively-coupled plasma mass spectrometry|laser ablation,N,null
earth science
paleoclimate
instrumental
sea water temperature,null,null,degree Celsius,null,instrumental,null,null,N,in situ data logger
earth science
paleoclimate
corals and sclerosponges
physical properties
earth science
paleoclimate
corals and sclerosponges
trace metals
geoscientificInformation
1890 AD
1990 AD
60 cal yr BP
-40 cal yr BP
Complete
17.53
23.67
-78.97
-75.75
-136
-125
Ocean
Atlantic Ocean
North Atlantic Ocean
Caribbean Sea
Jamaica
Pedro Bank>LATITUDE 17.53>LONGITUDE -78.97
Ocean
Atlantic Ocean
North Atlantic Ocean
Caribbean Sea
Bahamas
Exuma Sound>LATITUDE 23.67>LONGITUDE -75.75
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
Rosenheim, B.E., P.K. Swart, S.R. Thorrold, P. Willenz, L. Berry, and C. Latkoczy. 2004. High resolution Sr/Ca records in sclerosponges calibrated to temperature in situ. Geology, Vol. 32, No. 2, pp. 145-148, February 2004.
Ratios of strontium to calcium have been analyzed by laser-ablation inductively coupled plasmaŋmass spectrometry (LA-ICP-MS) in a skeletal section of the sclerosponge Ceratoporella nicholsoni. The growth period, representative of 3 yr, was stained in the skeleton with a fluorochrome (calcein). Temperatures were recorded at 2 h intervals within the shallow, cryptic reef enclosure that the sclerosponge inhabited on the northern coast of Jamaica, allowing the formulation of a direct empirical relationship between Sr/Ca and temperature. To verify this calibration, Sr/Ca ratios of two sclerosponges of the same species from depths of 67 m and 136 m in Exuma Sound, Bahamas, were analyzed by LA-ICP-MS and compared to the temperatures from these depths over a decade prior to collection. The result is an independently verified, high-resolution empirical calibration for the temperature sensitivity of Sr/Ca ratios in the aragonite skeletons of sclerosponges from Jamaica and the Bahamas. The calibration is a first for C. nicholsoni and indicates that sclerosponges are more sensitive temperature recorders than zooxanthellate corals. It represents an important step in establishing skeletal geochemistry of sclerosponges as a proxy of temperature in the upper 250 m of the ocean.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/coral/atlantic/sclero-srca-calib2004.txt
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11