noaa-ocean-2621
Eastern Equatorial Atlantic Quaternary Stable Isotope Data
Bird, M.I.; Cali, J.A.
Eastern Equatorial Atlantic Quaternary Stable Isotope Data
2002-07-01
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/2621
Investigator
M.I.
Bird
Investigator
J.A.
Cali
earth science
paleoclimate
paleoceanography
age,null,null,radiocarbon year before present,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
delta 13C,Globigerinoides ruber,null,per mil PDB,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleoceanography
delta 18O,Globigerinoides ruber,null,per mil PDB,null,paleoceanography,null,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
earth science
paleoclimate
paleocean
age control
geoscientificInformation
711600 14C yr BP
1100 14C yr BP
711600 cal yr BP
1014 cal yr BP
Complete
4.77
4.77
-20.93
-20.93
-2693
-2693
Ocean
Atlantic Ocean
North Atlantic Ocean
ODP668B>LATITUDE 4.77>LONGITUDE -20.93
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
Bird, M.I. and J.A. Cali. 2002. A revised high-resolution oxygen-isotope chronology for ODP-668B: implications for Quaternary biomass burning in Africa. Global and Planetary Change 33, 73-76.
We present a high-resolution oxygen-isotope chronology to Stage 13 for core ODP-668B, Sierra Leone Rise, east equatorial Atlantic. Observed variations in the abundance of oxidation resistant elemental carbon (OREC) in this core are reinterpreted in the light of this revised chronology, which differs significantly from that proposed by Bird and Cali [Nature 394 (1998) 767]. Peaks in OREC abundance are considered to be related to periods of intense biomass burning in adjacent areas of sub-Saharan Africa during periods of rapid climate change. OREC peaks do not occur during peak glacial times possibly due to low fuel loads and generally cool/dry climate. The most recent OREC peak in the current interglacial period is not unique, as a peak of similar intensity occurs at the peak of the Stage 7 interglacial. Therefore, an anthropogenic origin for the most recent peak cannot be unequivocally established.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleocean/sediment_files/complete/odp668b-tab.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/bird2002
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11