Heinrich layer in Antarctic marine sediments and its significance to global changes

Results of grain size analysis and rock magnetic measurements of core NP95-1 from Prydz Bay, Antarctica revealed two series of ice-rafted detritus layers, which correspond to cold climatic events, Younger Dryas and Heinrich event 1, occurring at about 11.7-10.3 and 14.3-13.6 kaB.P. respectively. Stu...

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Bibliographic Details
Published inChinese science bulletin Vol. 43; no. 21; pp. 1830 - 1834
Main Authors Hou, Hongrning, Luo, Youlang, Zheng, Honghan, Wang, Baogui, Tang, Xianzan
Format Journal Article
LanguageEnglish
Published Beijing Springer Nature B.V 01.11.1998
Subjects
Antarctica
change
Detritus
Glacial periods
global
Grain size
Heinrich
Heinrich events
ice-rafted
layer
Magnetic measurement
marine
Marine sediments
Ocean circulation
Ocean currents
Sediments
Water circulation
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Summary:Results of grain size analysis and rock magnetic measurements of core NP95-1 from Prydz Bay, Antarctica revealed two series of ice-rafted detritus layers, which correspond to cold climatic events, Younger Dryas and Heinrich event 1, occurring at about 11.7-10.3 and 14.3-13.6 kaB.P. respectively. Studies also show that the sequence of paleoclimatic changes in Antarctica can be correlated with that in other parts of the world, and that the millennia1 climate of the earth could change synchronously and globally. In addition, magnetic fabric analysis also shows a close relationship between paleoclimatic change and ocean circulation re-assemblage.
Bibliography:HOU Hongming 1,2, LUO Youlang+1, ZHENG Honghan+2,WANG Baogui+1 and TANG Xianzan+1 1. South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; 2. Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Gu
10-1298/N
ISSN:1001-6538
2095-9273
1861-9541
2095-9281
DOI:10.1007/BF02883383