| ETM+和ASTER数据在遥感信息提取中的对比研究 |
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| 引用本文： | 林腾,高光明,刘容秀,肖娟.ETM+和ASTER数据在遥感信息提取中的对比研究[J].遥感信息,2011(1):65-69. |
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| 作者姓名： | 林腾 高光明 刘容秀 肖娟 |
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| 作者单位： | 中南大学地学与环境工程学院,湖南长沙,410083 |
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| 摘 要： | 遥感蚀变信息提取是找矿的一个重要技术手段。本文选择位于秘鲁南部阿雷基帕(AREQUIPA)省境内的萨卡纳(CERCANA)和伊卡(ICA)省境内的Moarcona铁矿区作为本文的两个研究区,从分析地物光谱出发,利用ETM+和ASTER卫星影像数据,通过主成份分析法和比值分析法分别对两个研究区进行泥化蚀变信息提取和铁染蚀变信息提取,并对两者的提取结果进行对比分析。最后结果表明,相较于ETM+数据,ASTER数据在矿化蚀变信息的提取方面具有更大的优势。
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| 关 键 词： | 矿化蚀变 ETM+ ASTER 光谱特征 主成份分析 比值法 |
Comparison Between ETM+ and ASTER Data for Extraction of Alteration Information |
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| LIN Teng,GAO Guang-ming,LIU Rong-xiu,XIAO Juan.Comparison Between ETM+ and ASTER Data for Extraction of Alteration Information[J].Remote Sensing Information,2011(1):65-69. |
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| Authors: | LIN Teng GAO Guang-ming LIU Rong-xiu XIAO Juan |
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| Affiliation: | LIN Teng,GAO Guang-ming,LIU Rong-xiu,XIAO Juan(College of Geoscience & Environment Engineering,Central South University,Changsha,Hunan,410083) |
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| Abstract: | Remote sensing extraction of alteration information technology is an important means of prospecting.This article selected CERCANA located in AREQUIPA province of southern Peru and Moarcona ore zone located in ICA Province of southern Peru as two study areas of this paper.And starting from the spectrum analysis of surface features,using ETM + and ASTER satellite image data to extract clay alteration information of CERCANA by principal component analysis method,and extract iron staining alteration information... |
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| Keywords: | ETM+ ASTER |
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