<SPAN style="COLOR: black; FONT-SIZE: 14pt; mso-font-kerning: 18.0pt; mso-bidi-font-weight: bold" lang=EN-US><FONT face="Times New Roman">Direct Evidence of Heinrich Event 3: Desiccation Crack in <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:place w:st="on"><st1:City w:st="on">Zhoushan Islands</st1:City>, <st1:State w:st="on">Zhejiang</st1:State></st1:place> Province <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></FONT></SPAN>

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Direct Evidence of Heinrich Event 3: Desiccation Crack in Zhoushan Islands, Zhejiang Province

详细信息

责任者：Jia Nan (School of Earth and Space Sciences ; University of Science and Technology of China ; Hefei 230026 ; China) ; Sun Liguang
刊名：Earth Science Frontiers
出版年：2009
卷期：16(6)
关键词：泥裂 ; mudcracks ; 末次冰期 ; last glacial age ; 舟山群岛 ; Zhoushan Islands
页码：p.146-153
图表：6 illus., 23 refs.
分类号：1400
issnNo：ISSN1005-2321
isbnNo：CN11-3370/P

摘要

The large desiccation cracks, which are up to 60 cm deep, were developed on the intertidal zone of the Guanyin Bay, Zhujiajian Island, Zhejiang Province. The results from chronological, palynological and mineralogical analysis show that the time of the formation of the desiccation crack is coincident with the period of the environmental change from warm and humid to cold and dry. The desiccation crack corresponds to an abrupt climate shift event during 31.2～30.4 ka BP, with a decline in vegetation. It is most probable that this phenomenon demonstrates a direct landscape evidence for the worldwide abrupt climate event — the Heinrich event 3. The desiccation crack provides a new method for the research of Quaternary abrupt climate shift events.

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