格尔木河流域地下水生态功能及经济损益阈值解析

doi:10.12118/j.issn.1000-6060.2019.02.05

干旱区地理 ›› 2019, Vol. 42 ›› Issue (2): 263-270.doi: 10.12118/j.issn.1000-6060.2019.02.05

格尔木河流域地下水生态功能及经济损益阈值解析

黄金廷¹，崔旭东¹，王冬¹，刘文辉¹，刘向敏²，袁立³，马日新⁴，魏超4

（1 中国地质调查局西安地质调查中心陕西西安 710054；2 中国国土经济研究院北京 100000；
3 中陕核核工业集团211大队有限公司陕西西安 710024； 4 西安科技大学陕西西安 710054）

出版日期:2019-03-25 发布日期:2019-03-07
作者简介:黄金廷（1979—），男，高级工程师，博士，辽宁建昌人，主要从事水资源可持续开发利用领域的研究.Email: huangjinting79@163.com
基金资助:
国土资源调查项目（DD20160332）；国家自然科学基金 (41672250)；陕西省自然科学基金（2015KJXX-69）；中央高校基础研究项目（310829171111）资助

Analysis on the Groundwater Ecological Function and Economic Profit and Loss Threshold in Golmud River Catchment

HUANG Jin-ting¹, CUI Xu-dong¹, WANG Dong¹, LIU Wen-hui¹, LIU Xiang-min², YUAN Li³, MA Ri-xin⁴, WEI Chao⁴

(1 Xi’an Geological Survey, CGS, Xi’an 710054, Shaanxi, , China; 2 Chinese Academy of Land & Resource Economics, Beijing 100000, China; 3 Sino Shaanxi Nuclear Industry Group 211 Filiale, Xi’an 710024, Shaanxi, China; 4 Xi’an University of Science and Technology, Province, Xi’an 710054, Shaanxi, China)

Online:2019-03-25 Published:2019-03-07

摘要/Abstract

摘要： 在西北内陆河流域，地下水是维系人类生存、生态环境和社会经济发展的重要水源，但这些流域生态环境脆弱。为保护地下水资源和脆弱的生态环境，亟待开展地下水合理开发利用研究。本文在分析格尔木河流域水文地质条件、环境地质问题基础上，采用遥感解译、野外调查和地下水动态监测的方法，界定了地下水的生态功能及阈值，即维系植被生态地下水埋深为0.5~10 m、减轻盐渍化程度的地下水埋深应大于3 m、减轻城市内涝的地下库容应大于3.42×10⁸ m³、维系达布逊湖面积的入湖流量应大于2.82×108 m³·a^-1。基于格尔木河流域生态系统服务价值构成，得到减轻城市内涝及减缓盐渍化程度的环境正效益值分别为8 000×10⁴元·km^-2和163×104 元·km^-2；地下水不合理开发利用导致植被退化、河湖面积萎缩的环境负效益值分别为191元·km^-2和1 032元·km^-2。本文研究成果可为流域内地下水资源开发利用和生态环境保护科学依据，同时也可为西北其他内陆河流域地下水合理开发利用借鉴。

关键词: 地下水生态功能, 环境损益, 格尔木河流域

Abstract: Groundwater is an important water source for sustaining the survival of mankind, the ecological health and socio-economic development in northwest inland, China. However, the local ecosystem is fragile in those regions. To protect groundwater resources and ecosystem, it needs to study the rational development and utilization of groundwater. Base on the analysis of hydrogeological feature and environmental problems, the paper clarified the groundwater ecological function and its threshold using remote sensing technology, field survey and groundwater monitor approach in Golmud River catchment, Qinghai Province, China. The results showed that the reasonable groundwater depth should be in the range from 0.5 to 10 m for the survival of plants, and lager than 3 m for alleviation of salty soil. To prevent the city from waterlogging, the ground reservoir should larger than 3.42×108m3. And it also needs more than 2.82×108 m³ water volume flowing into the lake per year to maintain Dabuxu Lake area. According to the ecosystem services economic contributions, it found that the profit would be 80 million yuan and 1.63 million yuan per square kilometer for the city waterlogging prevention and salty soil alleviation, respectively. On the contrary, the loss would be 1.91 million yuan per square kilometer and 10.32 million yuan per square kilometer because of vegetation degeneration and lake area shrinkage. The research results provided useful information to support groundwater sustainable use and ecosystem protection for Golmud River catchment. Meanwhile, it can be used as reference for groundwater utilization in other catchments in northern China.

Key words: groundwater ecological function, environment profit, Golmud River catchment

黄金廷, 崔旭东, 王冬, 刘文辉, 刘向敏, 袁立, 马日新, 魏超. 格尔木河流域地下水生态功能及经济损益阈值解析[J]. 干旱区地理, 2019, 42(2): 263-270.

HUANG Jin-ting, CUI Xu-dong, WANG Dong, LIU Wen-hui, LIU Xiang-min, YUAN Li, MA Ri-xin, WEI Chao. Analysis on the Groundwater Ecological Function and Economic Profit and Loss Threshold in Golmud River Catchment [J]. Arid Land Geography, 2019, 42(2): 263-270.

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格尔木河流域地下水生态功能及经济损益阈值解析

Analysis on the Groundwater Ecological Function and Economic Profit and Loss Threshold in Golmud River Catchment

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