Weighted Weights of Evidence and Stepwise Weights of Evidence and Their Applications in Sn-Cu Mineral Potential Mapping in <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:City w:st="on">Gejiu</st1:City>, <st1:State w:st="on">Yunnan</st1:State> Province, <st1:country-region w:st="on"><st1:place w:st="on">China</st1:place></st1:country-region><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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Weighted Weights of Evidence and Stepwise Weights of Evidence and Their Applications in Sn-Cu Mineral Potential Mapping in Gejiu, Yunnan Province, China

详细信息

责任者：Zhang Shengyuan (Institute of Natural Resources and Environment Engineering ; Shijiazhuang University of Economics ; Shijiazhuang 050031 ; China)
刊名：Earth Science
出版年：2009
卷期：34（2）
关键词：成矿预测 ; metallogenic prediction ; 云南 ; Yunnan Province
页码：p.281-286
图表：2 illus., 3 tables, 15 refs.
分类号：1900
issnNo：ISSN1000-2383
isbnNo：CN42-1233/P

摘要

This paper proposes two kinds of new models of weight of evidence: weighted weights of evidence and stepwise weights of evidence to reduce the influence of correlation among evidence layers when hypothesis of conditional independence is not held. These two models are compared with other models through a case study of calculating posterior probability maps for Sn-Cu mineral deposits in Gejiu, Yunnan, China. The result shows that both models are effective to reduce the influence of correlations among evidence layers on delineation of Sn-Cu anomalies.