noaa-ocean-11208
Florida Straits 41KYr Foraminiferal Stable Isotope Data
Lynch-Stieglitz, J.; Schmidt, M.W.; Curry, W.B.
Florida Straits 41KYr Foraminiferal Stable Isotope Data
2011-05-25
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/11208
Investigator
J.
Lynch-Stieglitz
Investigator
M.W.
Schmidt
Investigator
W.B.
Curry
earth science
paleoclimate
paleoceanography
delta 18O,benthic foraminifer,null,per mil PDB,null,paleoceanography,averaged,null,N,null
earth science
paleoclimate
paleoceanography
notes,null,null,null,null,paleoceanography,null,null,C,foram species analyzed
earth science
paleoclimate
paleoceanography
age,null,null,calendar year before present,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
delta 13C,benthic foraminifer,null,per mil PDB,null,paleoceanography,averaged,null,N,null
earth science
paleoclimate
paleoceanography
depth,null,null,centimeter,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleocean
oxygen isotopes
earth science
paleoclimate
paleocean
carbon isotopes
geoscientificInformation
Meridional Overturning Circulation (MOC)
41614 cal yr BP
297 cal yr BP
Complete
23.7455
24.7638
-79.429667
-79.2657
-631
-542
Ocean
Atlantic Ocean
KNR166-2-73GGC>LATITUDE 23.7455>LONGITUDE -79.429667
Ocean
Atlantic Ocean
KNR166-2-127JPC>LATITUDE 24.7638>LONGITUDE -79.2657
None
Please cite original publication, online resource, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, title, online resource, and date accessed. The appearance of external links associated with a dataset does not constitute endorsement by the Department of Commerce/National Oceanic and Atmospheric Administration of external Web sites or the information, products or services contained therein. For other than authorized activities, the Department of Commerce/NOAA does not exercise any editorial control over the information you may find at these locations. These links are provided consistent with the stated purpose of this Department of Commerce/NOAA Web site.
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
Lynch-Stieglitz, J., M.W. Schmidt, and W.B. Curry. 2011.
Evidence from the Florida Straits for Younger Dryas
ocean circulation changes.
Paleoceanography, 26, PA1205, doi:10.1029/2010PA002032
The waters passing through the Florida Straits today reflect both
the western portion of the wind-driven subtropical gyre and the
northward flow of the upper waters which cross the equator,
compensating North Atlantic Deep Water export as part of the
large-scale Atlantic meridional overturning circulation.
It has been postulated from various lines of evidence that
the overturning circulation was weaker during the Younger Dryas
cold event of the last deglaciation. We show here that the contrast
in the oxygen isotopic composition of benthic foraminiferal tests
across the Florida Current is reduced during the Younger Dryas.
This most likely reflects a decrease in the density gradient
across the channel and a decrease in the vertical shear of the
Florida Current. This reduced shear is consistent with the
postulated reduction in the Atlantic meridional overturning
circulation. We find that the onset of this change in density
structure and flow at the start of the Younger Dryas is very abrupt,
occurring in less than 70 years.
STUDY NOTES: Foraminiferal stable isotope data from 6 sediment cores collected
from the Florida Straits.
Some of the stable isotope data has been previously published
in Lynch-Stieglitz et al. (2009) and Came et al. (2007, 2008),
and is presented here along with additional isotopic data and
up to date age models based on the dates listed in Table 2.
Some missing data and typographic errors in Table 2 have
now been corrected. This file contains the corrected data
and supersedes the table published in the paper.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/lynch-stieglitz2011/lynch-stieglitz2011.xls
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/lynch-stieglitz2011/lynch-stieglitz2011.txt
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11