Reconstruction of Terrestrial Productivity of Yichang Region in the Past 9 000 Years from Stalagmite P/Ca Ratio<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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Reconstruction of Terrestrial Productivity of Yichang Region in the Past 9 000 Years from Stalagmite P/Ca Ratio

详细信息

责任者：Chen Feifei (Key Laboratory of Biogeology and Environmental Geology ; Ministry of Education ; China University of Geology ; Wuhan 430074 ; China) ; Hu Chaoyong
刊名：Carsologica Sinica
出版年：2010
卷期：29(3)
关键词：石笋 ; stalagmites ; 碳循环 ; carbon cycle ; 湖北 ; Hubei Province
页码：p.280-284
图表：4 illus., 36 refs.
分类号：1800
issnNo：ISSN1001-4810
isbnNo：CN45-1157/P

摘要

In this paper, geochemical composition of P and Ca in stalagmite HS₄ from Heshang Cave, Qingjiang, Hubei Province is analyzed to investigate the response of stalagmite P/Ca ratio to the terrestrial productivity. The results show that the P/Ca recorded in the stalagmite in recent 50 years is correlated with the local terrestrial productivity calculated by Thornthwaite Memorial Productivity Model. Based on P/Ca in the stalagmite HS₄, the regional paleo-productivity in Yichang is reconstructed.

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