noaa-lake-10457
Lake CF8, Baffin Island 2,400 Year Multiproxy Sediment Data
Thomas, E.K.; Axford, Y.; Briner, J.P.
Lake CF8, Baffin Island 2,400 Year Multiproxy Sediment Data
2010-03-12
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/10457
Investigator
E.K.
Thomas
Investigator
Y.
Axford
Investigator
J.P.
Briner
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,unspecified midge
earth science
paleoclimate
paleolimnology
carbon,sediment,null,percent,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
carbon/nitrogen,sediment,null,dimensionless,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
delta 13C,sediment,null,per mil PDB,null,paleolimnology,null,null,N,null
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Orthocladius sp.
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Heterotrissocladius sp.
earth science
paleoclimate
climate reconstructions|insect|paleolimnology
depth,null,null,centimeter,null,climate reconstructions|insect|paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
nitrogen,sediment,null,percent,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
biogenic silica,sediment,null,gram per square meter per year,null,paleolimnology,null,null,N,BSi flux
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Micropsectra sp.
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Pseudodiamesa sp.
earth science
paleoclimate
paleolimnology
carbon,sediment,null,gram per square meter per year,null,paleolimnology,null,null,N,Carbon flux
earth science
paleoclimate
insect|paleolimnology
total head capsules,null,null,count,null,insect|paleolimnology,null,null,N,null
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Abiskomyia sp.
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Tanytarsini
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Tanytarsini no spur
earth science
paleoclimate
paleolimnology
biogenic silica,sediment,null,percent,null,paleolimnology,null,null,N,null
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Oliveridia sp.
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Sergentia sp.
earth science
paleoclimate
climate reconstructions|insect|paleolimnology
lake surface temperature,midge assemblage,null,degree Celsius,summer,climate reconstructions|insect|paleolimnology,null,null,N,null
earth science
paleoclimate
climate reconstructions|insect|paleolimnology
age,null,null,year Common Era,null,climate reconstructions|insect|paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
water content,sediment,null,percent,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
nitrogen,sediment,null,gram per square meter per year,null,paleolimnology,null,null,N,Nitrogen flux
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Chironomus sp.
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Corynoneura sp.
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Eukiefferiella sp.
earth science
paleoclimate
paleolimnology
density,dry sediment,null,gram per cubic centimeter,null,paleolimnology,null,null,N,null
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Tanypodini
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,percent,null,insect|paleolimnology,null,null,N,Tanytarsus lugens type
earth science
paleoclimate
paleolimnology
density,dry sediment,null,gram per cubic centimeter,null,paleolimnology,averaged,null,N,5 point average
earth science
paleoclimate
paleolimnology
organic matter,sediment,null,percent,null,paleolimnology,null,loss on ignition,N,null
earth science
paleoclimate
paleolimnology
delta 15N,sediment,null,per mil AIR,null,paleolimnology,null,null,N,null
earth science
paleoclimate
paleolimnology
accumulation rate,sediment,null,gram per square meter per year,null,paleolimnology,null,null,N,null
earth science
paleoclimate
insect|paleolimnology
identified midge,null,null,dimensionless,null,insect|paleolimnology,null,null,N,Cricotopus/Orthocladius
earth science
paleoclimate
paleolimnology
carbon isotopes
earth science
paleoclimate
paleolimnology
population abundance
earth science
paleoclimate
paleolimnology
physical properties
geoscientificInformation
Arctic
-440 AD
2005 AD
2390 cal yr BP
-55 cal yr BP
Complete
70.55
70.55
-68.95
-68.95
195
195
Continent
North America
Canada
Nunavut
Lake CF8>LATITUDE 70.55>LONGITUDE -68.95
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
Thomas, E.K., Y. Axford, and J.P. Briner. 2008.
Rapid 20th century environmental change on northeastern
Baffin Island, Arctic Canada inferred from a multi-proxy
lacustrine record.
Journal of Paleolimnology, Vol. 40, pp. 507-517.
DOI 10.1007/s10933-007-9178-y
The Arctic has a disproportionately large response to changes
in radiative forcing of climate, and arctic lacustrine ecosystems
respond sensitively to these changes. The goal of this research
is to generate high-resolution climate records for the past two
millennia using multiple proxies in order to place 20th and 21st
century climate and environmental change into a long-term context.
We use a 14C- and 210Pb-dated surface core from Lake CF8 on
northeastern Baffin Island, Arctic Canada to generate a
high-resolution multiproxy reconstruction of climate
and environmental change. Throughout the late Holocene, primary
productivity in Lake CF8 was low, but increased almost 20-fold
in the past 200 years. Insect (Chironomidae) assemblages also
show dramatic changes since 1950 AD, with cold stenothermous
chironomid taxa disappearing from the record altogether.
These changes in productivity and chironomid assemblages
are unprecedented in the past 5,000 years. The dramatic
ecological shifts that occurred at Lake CF8 have also been
observed elsewhere in the Arctic, and will likely continue
at ever-increasing rates as anthropogenic inputs of greenhouse
gases continue to cause climate warming and enhanced lacustrine
primary production.
STUDY NOTES: Multiproxy geochemical and productivity record from surface sediment
core 05CF8SC collected in Lake CF8, northeastern Baffin Island, Canada.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/northamerica/canada/baffin/cf8-2008.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleolimnology/northamerica/canada/baffin/cf8-2008.xls
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11