noaa-ocean-2570
Pacific Pleistocene Primary Production Data
de Garidel-Thoron, T.; Beaufort, L.; Linsley, B.K.; Dannenmann, S.
Pacific Pleistocene Primary Production Data
2001-10-01
NCDC-Paleoclimatology
ONLINE Files
Pending
https://www.ncdc.noaa.gov/paleo/study/2570
Investigator
T.
de Garidel-Thoron
Investigator
L.
Beaufort
Investigator
B.K.
Linsley
Investigator
S.
Dannenmann
earth science
paleoclimate
paleoceanography
identified coccolithophore,null,null,dimensionless,null,paleoceanography,null,null,N,Florisphaera profunda percent relative to the other coccoliths
earth science
paleoclimate
paleoceanography
age,null,null,calendar year before present,null,paleoceanography,null,null,N,null
earth science
paleoclimate
climate reconstructions|paleoceanography
primary productivity,delta 18O|magnesium/calcium,null,gram per square meter per year,null,climate reconstructions|paleoceanography,null,null,N,reconstructed from the abundance of coccolithophore Florisphaera profunda
earth science
paleoclimate
paleoceanography
depth,null,null,centimeter,null,paleoceanography,null,null,N,null
earth science
paleoclimate
paleocean
reconstruction
earth science
paleoclimate
paleocean
population abundance
earth science
paleoclimate
paleocean
age control
geoscientificInformation
200500 14C yr BP
4290 14C yr BP
200500 cal yr BP
4846 cal yr BP
Complete
8.78
8.78
121.28
121.28
-3633
-3633
Ocean
Pacific Ocean
North Pacific Ocean
MD97-2141>LATITUDE 8.78>LONGITUDE 121.28
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
de Garidel-Thoron, T., L. Beaufort, B.K. Linsley, and S. Dannenmann. 2001. Millenial-scale dynamics of the East Asian winter monsoon during the last 200,000 years. Paleoceanography 16(5):491-503.
The primary productivity dynamics of the last 200,000 years in the Sulu Sea was reconstructed using the abundance of the coccolithophore Florisphaera profunda in the IMAGES MD97-2141 core. We find that primary productivity was enhanced during glacial periods, which we suggest is due to a stronger East Asian winter monsoon. During the last 80 kyr, eight significant increases in primary productivity (PP) in the Sulu Sea are similar to East Asian winter monsoon changes recorded in Chinese loess. The PP maxima are not linked with Heinrich events (HE) in the North Atlantic, although four PP peaks are synchronous with HE. The PP oscillations have frequencies near those of the Dansgaard--Oeschger cycles in Northern Hemisphere ice records and indicate a teleconnection of the East Asian winter monsoon with Greenland climate. In this Sulu Sea record the East Asian winter monsoon oscillates with periodicities of ~6, 4.2--3.4, 2.3, and 1.5 kyr. In particular, the 1.5 kyr cycle exhibits a strong and pervasive signal from stage 6 to the Holocene without any ice volume modulation. This stationarity suggests that the 1.5 kyr cycle is not driven by some high-latitude forcing.
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/paleocean/sediment_files/complete/md972141-tab.txt
GET DATA
https://www1.ncdc.noaa.gov/pub/data/paleo/contributions_by_author/degaridel-thoron2001/
Data Folder; Data File and Readme
USA/NOAA
DIF
Version 9.8.4
2018-12-11
2018-12-11