基于遥感和GIS的岩溶区1∶5万区域地质填图难易程度分区  

Difficulty degree zoning for 1∶50,000 geological mapping in karst area based on RS and GIS

作　　者：程洋[1] 潘星呈 CHENG Yang;PAN Xingcheng(Institute of Karst Geology,CAGS,Key Laboratory of Karst Ecosystem and Treatment of Rocky Derstification,MNR,Guilin,Guangxi 541004,China)

机构地区：[1]中国地质科学院岩溶地质研究所/自然资源部岩溶生态系统与石漠化治理重点实验室,广西桂林541004

出　　处：《中国岩溶》2018年第6期910-917,共8页Carsologica Sinica

基　　金：中国地质调查局地质调查项目(DD20160061);中国地质科学院基本科研业务费项目(YYWF201643)

摘　　要：从岩溶区1∶5万区域地质填图的实际需求出发,采用遥感地质综合解译和GIS综合分析相结合的技术手段,在详细解译区域地质、地貌、环境、水文等要素的基础上,以地层延伸性、地形地势、水系形态、冲沟密度为评价参数,定性地划分了研究区1∶5万区域地质填图的难易程度。实地调查显示,区域地质填图难易程度分区的成果与研究区的实际地质情况基本一致,可作为岩溶区1∶5万区域地质填图工作部属的依据,能在保证成果精度的前提下显著提高岩溶区1∶5万区域地质调查的工作效率。In light of technical requirements for 1∶50,000 geological mapping in karst area,the techniques of Remote Sensing(RS)and Geographic Information System(GIS)was employed to perform the geological interpretation and associated data analysis.On the basis of detailed interpretation of regional geology,geomorphology,environment,hydrology and other factors,the difficulty degree for mapping process was qualitatively divided by using parameters such as stratigraphic extension,topography,drainage pattern and gully density.The field studies show that the research results using this method are basically consistent with the actual geological conditions in the study area.This method can be used as the basis of the work arrangement of 1∶50,000 geological mapping in karst area,which can significantly improve the working efficiency and reduce the field workload on the premise of ensuring the accuracy of the results.It also can improve the quality of the RS technique system of 1∶50,000 regional geological survey in the karst area of Southwest China.

关 键 词：遥感 GIS 岩溶区 区域地质填图 

分 类 号：P623[天文地球—地质矿产勘探] P208[天文地球—地质学]