noaa-ocean-5584
Pigmy Basin, Gulf of Mexico Decadal Foraminiferal Mg/Ca and d18O Data
Richey, J.N.; Poore, R.Z.; Flower, B.P.; Quinn, T.M.
Pigmy Basin, Gulf of Mexico Decadal Foraminiferal Mg/Ca and d18O Data
2007-07-01
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/5584
Investigator
J.N.
Richey
Investigator
R.Z.
Poore
Investigator
B.P.
Flower
Investigator
T.M.
Quinn
earth science
paleoclimate
paleoceanography
Trilobatus sacculifer,sediment,null,percent,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
magnesium/calcium,Globigerinoides ruber,null,dimensionless,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
age,null,null,calendar year before present,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
depth,null,null,centimeter,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
delta 18O,calcium carbonate,null,per mil PDB,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleocean
trace metals in carbonates
earth science
paleoclimate
paleocean
oxygen isotopes
earth science
paleoclimate
paleocean
population abundance
earth science
paleoclimate
paleocean
age control
geoscientificInformation
1455 14C yr BP
0 14C yr BP
1365 cal yr BP
0 cal yr BP
Complete
27.2
27.2
-91.42
-91.42
-2259
-2259
Ocean
Pacific Ocean
North Pacific Ocean
PBBC-1>LATITUDE 27.2>LONGITUDE -91.42
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
Richey, J.N., R.Z. Poore, B.P. Flower, and T.M. Quinn. 2007. 1400 yr multiproxy record of climate variability from the northern Gulf of Mexico. Geology, Vol. 35, No. 5, pp. 423ŋ426
A continuous decadal-scale resolution record of climate variability over the past 1400 yr in the northern Gulf of Mexico was constructed from a box core recovered in the Pigmy Basin, northern Gulf of Mexico. Proxies include paired analyses of Mg/Ca and d18O in the white variety of the planktic foraminifer Globigerinoides ruber and relative abundance variations of G. sacculifer in the foraminifer assemblages. Two multi-decadal intervals of sustained high Mg/Ca indicate that Gulf of Mexico sea surface temperatures (SSTs) were as warm or warmer than near-modern conditions between 1000 and 1400 yr B.P. Foraminiferal Mg/Ca during the coolest interval of the Little Ice Age (ca. 250 yr B.P.) indicate that SST was 2ŋ2.5 °C below modern SST. Four minima in the Mg/Ca record between 900 and 250 yr B.P. correspond with the Maunder, Spörer, Wolf, and Oort sunspot minima, suggesting a link between changes in solar insolation and SST variability in the Gulf of Mexico. An abrupt shift recorded in both d18Ocalcite and relative abundance of G. sacculifer occurred ca. 600 yr B.P. The shift in the Pigmy Basin record corresponds with a shift in the sea-salt-sodium (ssNa) record from the Greenland Ice Sheet Project 2 ice core, linking changes in high-latitude atmospheric circulation with the subtropical Atlantic Ocean.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/richey2007
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleocean/sediment_files/complete/pbbc-1-tab.txt
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11