Mathematics – Logic
Scientific paper
Dec 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000georl..27.3893o&link_type=abstract
Geophysical Research Letters, Volume 27, Issue 23, p. 3893-3896
Mathematics
Logic
5
Oceanography: General: Marginal And Semienclosed Seas, Oceanography: Biological And Chemical: Sedimentation, Oceanography: Biological And Chemical: Stable Isotopes
Scientific paper
Accelerator mass spectrometry (AMS) 14C dating and analyses of the stable isotope ratio of organic carbon (δ13Corg) were carried out on two piston cores obtained from the continential slope and the Okinawa Trough in the East China Sea (ECS). These cores covered the last ca. 15 14Ckyr BP (17 to 18 cal kyr BP). Mass and organic carbon (org. C) accumulation rates decreased gradually after the last deglaciation period. On the other hand, δ13Corg showed distinct depletion from ca. 14 to 12 14Ckyr BP (17.5 to 13.2 cal kyr BP). The depletion relates to the large supply of terrestrial org. C from the ECS shelf triggered by the sea's intrusion onto the shelf area because of the rise in sea level.
Harada Naomi
Honda Makio C.
Kusakabe Masashi
Matsumoto Eiji
Oguri Kazumasa
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