基于RS与GIS多源数据融合的高原区地质调查研究

摘要

以青海省天峻县重点区域地质调查为背景，在RS和GIS技术的支持下，研究了利用调查区IRS－P6遥感影像、 ETM影像、地质图和地形图等多源数据进行地质信息提取与制图的技术方法和操作流程，重点对区域内的水文地质、环境地质和基础地质信息进行解译、提取和制图。研究实践表明，利用该技术方法进行地质调查与制图，不但能够充分发挥多源数据各自的优势，提高地质信息提取的效率，而且可以提高信息判断的准确度、地质图的制作精度，从而缩短工期、节约成本。%Under the background of geological survey in key area of Tianjun county, Qinghai Province, this paper studies the technical methods and operation procedures of geological information extraction and mapping based on remote sensing image data of IRS-P6 and ETM, and other data, such as geological map, topographic map in research area. The information interpretation and extraction and mapping of hydrogeology, environmental geology, basic geology of the research area are completed by using the methods and operation procedures introduced in this paper. It shows that the method can not only help to make full use of multi-source data, improve the efficiency of geological information extraction, but improve the precision of interpretation of remote sensing information and help to save the cost, shortens working period.