基于遥感的辽西朝阳地区水文地质信息提取及其应用
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摘要
为解决辽西地区干旱缺水问题,通过卫星遥感与地面物探相结合的工作方式,研究了水文地质信息提取方法及其应用技术,并在辽西地区开展了初步应用。结果表明,卫星遥感技术不仅可以从宏观上掌握研究区地下水赋存规律,还可探测到常规方法难以发现的水文地质信息,通过卫星遥感技术可以缩小地面物探工作区的范围,该方法有效提高了地下水探测的工作效率及其准确性。此外,通过对电测深电阻率值的定量分析表明,当探测到的九佛堂组岩组电阻率介于18～22Ω·m之间时,该处富水的可能性极大,该方法可有效降低在九佛堂组中物探找水工作的难度。
In order to solve the problem of drought and water shortage in Western Liaoning,the hydrogeological information extraction method and its application technology were studied by combining satellite remote sensing with ground geophysical prospecting,and the preliminary application was carried out in western Liaoning. The results show that the satellite remote sensing technology can not only grasp the groundwater occurrence law in the study area macroscopically,but also detect the hydrogeological information which is difficult to obtain by conventional methods. Moreover,satellite remote sensing technology can narrow the ground geophysical exploration working area,making groundwater detection more efficient and accurate. In addition,the quantitative analysis of electrical sounding resistivity shows that the resistivity in Jiufotang Formation is between 18 and 22Ω·m,indicating high possibility of a water-rich formation. Therefore this method can effectively reduce the difficulty of detecting underground water in Jiufotang Formation.
In order to solve the problem of drought and water shortage in Western Liaoning,the hydrogeological information extraction method and its application technology were studied by combining satellite remote sensing with ground geophysical prospecting,and the preliminary application was carried out in western Liaoning. The results show that the satellite remote sensing technology can not only grasp the groundwater occurrence law in the study area macroscopically,but also detect the hydrogeological information which is difficult to obtain by conventional methods. Moreover,satellite remote sensing technology can narrow the ground geophysical exploration working area,making groundwater detection more efficient and accurate. In addition,the quantitative analysis of electrical sounding resistivity shows that the resistivity in Jiufotang Formation is between 18 and 22Ω·m,indicating high possibility of a water-rich formation. Therefore this method can effectively reduce the difficulty of detecting underground water in Jiufotang Formation.
引文
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[12]万余庆,王飞跃,吴军虎.SAR图像处理方法及在干旱地区找水工作中的应用[J].国土资源遥感,2000,12(4):50-54.WAN Yu-qing,WANG Fei-yue,WU Jun-hu.SAR image processing and its application in water resource exploration within arid area[J].Remote Sensing for Land&Resources,2000,12(4):50-54.
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[19]张黎,刘万崧,张晨曦,等.辽宁兴城地区地球物理探测效果评价[J].世界地质,2015,34(1):194-202.ZHANG Li,LIU Wan-song,ZHANG Chen-xi,et al.Assessment on geophysical exploration effect in Xingcheng areas of Liaoning[J].Global Geology,2015,34(1):194-202.
[20]郑东明,叶松青,成建勋,等.电法在地下热水勘探中的应用[J].世界地质,2005,24(1):77-81.ZHENG Dong-ming,YE Song-qing,CHENG Jian-xun,et al.Application of electrical method in exploring geothermal water[J].Global Geology,2005,24(1):77-81.
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[22]张胜业,潘玉玲.应用地球物理学原理[M].武汉:中国地质大学出版社,2004:15-48.ZHANG Sheng-ye,PAN Yu-ling.Principles of the application of geophysical[M].Wuhan:China University of Geosciences Press,2004:15-48.
[23]李舟波,孟令顺,梅忠武.资源综合地球物理勘查[M].北京:地质出版社,2004:180-199.LI Zhou-Bo,MENG Ling-shun,MEI Zhong-wu.The competitive geophysical exploration for resources[M].Beijing:Geological Publishing House,2004:180-199.
[24]底青云,石昆法,王妙月,等.CSAMT法和高密度电法探测地下水资源[J].地球物理学进展,2001,16(3):53-58.DI Qing-yun,SHI Kun-fa,WANG Miao-yue,et al.The application in detecting groundwater resources by high resistivity method and CSAMT method[J].Progress in Geophysics,2001,16(3):53-58.
[25]嵇艳鞠,林君,朱凯光,等.利用瞬变电磁技术进行地下水资源勘查[J].地球物理学进展,2005,20(3):828-833.JI Yan-ju,LIN Jun,ZHU Kai-guang,et al.Underground water prospecting by transient electromagnetic method[J].Progress in Geophysics,2005,20(3):828-833.
[26]邹旭,解国爱,张庆龙,等.可控源音频大地电磁法(CSAMT)在安庆铜矿乌珠尖探区深部找矿中的应用[J].世界地质,2016,35(2):526-535.ZOU Xu,XIE Guo-ai,ZHANG Qing-long,et al.Application of controlled source audio-frequency magneto tellurics(CSAMT)in deep exploration of Wuzhujian exploration area in Anqing copper deposit[J].Global Geology,2016,35(2):526-535.
[27]胡小工,陈剑莉,周永宏,等.利用GRACE空间重力测量监测长江流域水储量的季节性变化[J].中国科学(D辑),2006,36(3):225-232.HU Xiao-gong,CHEN Jian-li,ZHOU Yong-hong,et al.Monitoring seasonal variation of water reserves in the Yangtze River basin by GRACE gravity measurement[J].Science in China(Ser.D),2006,36(3):225-232.
[28]李琼,罗志才.地下水探测中的地球物理方法探讨[J].测绘信息与工程,2009,34(2):42-44.LI Qiong,LUO Zhi-cai.Discussion of geophysical methods for investigation groundwater[J].Journal of Geomatics,2009,34(2):42-44.
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