Arid
DOI10.1016/j.yqres.2004.02.005
Southwest African climate independent of Atlantic sea surface temperatures during the Younger
Dupont, LM; Kim, JH; Schneider, RR; Shi, N
通讯作者Dupont, LM
来源期刊QUATERNARY RESEARCH
ISSN0033-5894
出版年2004
卷号61期号:3页码:318-324
英文摘要

To investigate land-sea interactions during deglaciation, we compared proxies for continental (pollen percentages and accumulation rates) and marine conditions (dinoflagellate cyst percentages and alkenone-derived sea surface temperatures). The proxies were from published data from an AMS-radiocarbon-dated sedimentary record of core GeoB 1023-5 encompassing the past 21,000 years. The site is located at ca. 2000 m water depth just north of the Walvis Ridge and in the vicinity of the Cunene River mouth. We inter that the parallelism between increasing sea surface temperatures and a southward shift of the savanna Occurred only during the earliest part of the deglaciation. After the Antarctic Cold Reversal, southeast Atlantic sea surface temperatures no longer influenced the vegetation development in the Kalahari. Stronger trade winds during the Antarctic Cold Reversal and the Younger Dryas period probably caused increased upwelling off the coast of Angola. A southward shift of the Atlantic anti-cyclone could have resulted in both stronger trade winds and reduced impact of the Westerlies on the climate of southwestern Africa. (C) 2004 University of Washington. All rights reserved.


英文关键词pollen dinoflagellate cysts alkenones SST deglaciation southwestern Africa
类型Article
语种英语
国家Germany
收录类别SCI-E
WOS记录号WOS:000221585600008
WOS关键词LAST GLACIAL MAXIMUM ; SOUTHERN-AFRICA ; LATE QUATERNARY ; LATE PLEISTOCENE ; CAPE PROVINCE ; NAMIB DESERT ; SW AFRICA ; GREENLAND ; POLLEN ; VEGETATION
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/147940
作者单位(1)Univ Bremen, D-28334 Bremen, Germany;(2)Univ Gottingen, D-3400 Gottingen, Germany
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GB/T 7714
Dupont, LM,Kim, JH,Schneider, RR,et al. Southwest African climate independent of Atlantic sea surface temperatures during the Younger[J],2004,61(3):318-324.
APA Dupont, LM,Kim, JH,Schneider, RR,&Shi, N.(2004).Southwest African climate independent of Atlantic sea surface temperatures during the Younger.QUATERNARY RESEARCH,61(3),318-324.
MLA Dupont, LM,et al."Southwest African climate independent of Atlantic sea surface temperatures during the Younger".QUATERNARY RESEARCH 61.3(2004):318-324.
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