西藏墨脱公路断裂构造遥感分析及信息提取
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摘要
在西藏墨脱公路断裂构造的遥感勘察中,以Landsat-7 ETM+卫星影像为信息源,以ENVI 4.0软件为图像处理平台,运用数据集成、图像融合、主成分分析及方向滤波等图像处理技术对断裂构造信息进行增强处理;以基于地学知识的遥感构造分析技术对南迦巴瓦峰地区的断裂构造特征进行全面解译和识别,并在ArcG IS 8.2的支持下进行断裂构造专题制图及信息提取,查明了公路方案线区域内断裂构造的分布及发育特征,为墨脱公路工程线路方案选择、工程地质条件评价提供了科学依据。
By means of digital image processing techniques of data integration,image fusion,principal component analysis and directional filter with landsat-7 ETM~+ image under the image processing platform of ENVI 4.0 software,the authors successfully enhanced the information of faults in the remote sensing survey of fault structures along Motuo highway in Tibet.With technologies of structure analysis based on geological knowledge,information extraction and thematic mapping supported by ArcGIS 8.2 software,faults in Namjagbarwa region were recognized and interpreted completely,and their features and distribution along the highway route were detected.The results have provided enough scientific evidence for selecting the highway route and evaluating engineering geological conditions.
By means of digital image processing techniques of data integration,image fusion,principal component analysis and directional filter with landsat-7 ETM~+ image under the image processing platform of ENVI 4.0 software,the authors successfully enhanced the information of faults in the remote sensing survey of fault structures along Motuo highway in Tibet.With technologies of structure analysis based on geological knowledge,information extraction and thematic mapping supported by ArcGIS 8.2 software,faults in Namjagbarwa region were recognized and interpreted completely,and their features and distribution along the highway route were detected.The results have provided enough scientific evidence for selecting the highway route and evaluating engineering geological conditions.
引文
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[3]自强,王学潮,随裕红,等.遥感技术在西线南水北调活动构造分析中的应用[J].华北水利水电学院学报,2001,22(1):33-35.
[4]张明华,薛重生.基于G IS、RS的西藏墨脱高等级公路工程地质勘察[J].干旱区地理,2004,27(3):409-413.
[5]张明华.公路工程地质灾害遥感图像识别及解译方法[J].遥感技术与应用,2005,20(2):233-237.
[6]彭补拙,杨逸畴.南迦巴瓦峰地区自然地理与自然资源[M].北京:科学出版社,1996.
[7]章振根,刘玉海,王天武,等.南迦巴瓦峰地区地质[M].北京:科学出版社,1992.
[8]章孝灿,黄智才,赵元洪.遥感数字图像处理[M].杭州:浙江大学出版社,1997.
[9]徐建华.图像处理与分析[M].北京:科学出版社,1993.
[10]高景昌,王光杰.遥感图像线性构造信息微机机助提取[J].环境遥感,1994,9(1):62-67.
[11]易顺民,唐辉明.活动断裂的分形结构特征[J].地球科学—中国地质大学学报,1995,20(1):58-62.
[12]陈运平,席道瑛,樊星.用分形理论研究海南岛的活动断裂[J].地震研究,2002,2(4):351-355.
[13]王润生,杨文立.遥感线性体场的定量化分析[J].国土资源遥感,1992,13(3):49-53.
[14]郭德方,谢青云,李小孟.线性体场分析[J].国土资源遥感,1993,18(4):8-16.
[15]陈建平,胡明铭,李巨初.康滇地轴中南段区域构造格架的遥感地质统计分析[J].成都理工学院学报,1999,26(1):78-81.
[16]薛重生,王京名,刘敏,等.遥感图像构造线性体模式及结构分析[J].地质科技情报,1997,16:57-63.
[17]邹谨敞,邵顺妹.活动断裂的遥感影像研究[J].环境遥感,1995,10(3):182-187.
[18]张志,张雪亭.基于遥感影像信息的东昆仑活动断裂研究[J].西安工程学院学报,1999,21(3):5-8.
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