APPLICATION OF REMOTE SENSING TECHNOLOGY IN THE 1: 50000 REGIONAL GEOLOGICAL SURVEY IN KARST AREA: A CASE STUDY OF NORTHWEST GUIZHOU
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摘要: 以西南岩溶区特殊的资源和环境特点为导向,利用多源、多时相、多尺度遥感数据,采用遥感信息计算机自动提取和人机交互解译相结合的技术方法,将遥感技术系统应用于岩溶区1:50000区域地质调查工作中,提供系列的基础图件辅助岩溶区区域地质填图,提高了岩溶区1:50000区域地质调查的效率。初步建立了适合西南岩溶区的1:50000区域地质调查遥感技术方法体系,快速准确地解译出了岩溶区特殊的地质、地貌、环境、水文等要素,为特殊地质地貌区地质填图提供技术支持。Abstract: Karst region in Southwest China has special resources and environmental characteristics. According to these characteristics, this paper uses the multi-temporal, multi-source and multi-scale remote sensing data and applies the remote sensing technology of automatic extraction of remote sensing information and interactive interpretation to 1:50000 regional geological survey in karst area. This study provides a series of maps that are beneficial to the regional geological mapping in karst area and improves the efficiency of 1:50000 regional geological survey. Through this research, a remote sensing technology method for 1:50000 regional geological survey in karst areas in Southwest China is established, which can help researchers quickly and accurately interpret the special karst geology, geomorphology, environment, hydrology and other factors, and provide technical support for geological mapping special geological landform area.
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表 1 断层解译记录表
Table 1. Fault interpretation records
编号 原长 新解译 总长 方位 所处位置 F01 9.78 2.19 11.97 NNE 南起大炭沟, 过尖山村—以则河村, 北至法冲村 …… …… …… …… …… …… 注:表中长度为km 表 2 滑坡解译记录表
Table 2. Landslide interpretation records
编号 经度 纬度 L01 104°38'52.69 ″ 27°20'31.53 ″ …… …… …… -
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