noaa-lake-12584
Lake Challa, Kenya Holocene and LGM Varve Thickness Data
Wolff, C.; Haug, G.H.; Timmermann, A.; Sinninghe Damsté, J.S.; Brauer, A.; Sigman, D.M.; Cane, M.A.; Verschuren, D.
Lake Challa, Kenya Holocene and LGM Varve Thickness Data
2012-02-24
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/12584
Investigator
C.
Wolff
Investigator
G.H.
Haug
Investigator
A.
Timmermann
Investigator
J.S.
Sinninghe Damsté
Investigator
A.
Brauer
Investigator
D.M.
Sigman
Investigator
M.A.
Cane
Investigator
D.
Verschuren
earth science
paleoclimate
paleolimnology
notes,null,null,count,null,paleolimnology,null,null,N,varve number
earth science
paleoclimate
paleolimnology
depth,null,null,centimeter,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
varve thickness,sediment,null,millimeter,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
age,null,null,year Common Era,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
varve thickness,sediment,null,millimeter,null,paleolimnology,null,null,N,varve mineral layer thickness
earth science
paleoclimate
paleolimnology
varve thickness,sediment,null,millimeter,null,paleolimnology,null,null,N,varve organic layer thickness
earth science
paleoclimate
paleolimnology
physical properties
geoscientificInformation
ENSO
21023 cal yr BP
-55 cal yr BP
Complete
-3.3167
-3.3167
37.7
37.7
880
880
Continent
Africa
Eastern Africa
Kenya
Lake Challa>LATITUDE -3.3167>LONGITUDE 37.7
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
Wolff, C., G.H. Haug, A. Timmermann, J.S. Sinninghe Damsté,
A. Brauer, D.M. Sigman, M.A. Cane, and D. Verschuren. 2011.
Reduced Interannual Rainfall Variability in East Africa
During the Last Ice Age.
Science, Vol. 333, pp. 743 - 747
DOI: 10.1126/science.1203724
Interannual rainfall variations in equatorial East Africa
are tightly linked to the El Niño Southern Oscillation (ENSO),
with more rain and flooding during El Niño and droughts in
La Niña years, both having severe impacts on human habitation
and food security. Here we report evidence from an annually
laminated lake sediment record from southeastern Kenya for
interannual to centennial-scale changes in ENSO-related rainfall
variability during the last three millennia and for reductions
in both the mean rate and the variability of rainfall in East
Africa during the Last Glacial period. Climate model simulations
support forward extrapolation from these lake sediment data
that future warming will intensify the interannual variability
of East Africa's rainfall.
STUDY NOTES: Varve thickness data from Lake Challa, Kenya/Tanzania for two,
~3,000-year intervals, 21 KYrBP - 18 KYrBP and 3000 YrBP to the present.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/eastafrica/challa2011varve.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/eastafrica/challa2011varve.xls
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11