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Hydrogeological Characteristics of a Karst Mountainous Catchment in the Northwest of Vietnam 被引量:4
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作者 v.t.tam T.M.N.VU O.BATELAAN 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2001年第3期260-268,共9页
This paper presents a preliminary assessment of the hydrogeological characteristics of a karst mountainous catchment, the Suoi Muoi River catchment, in the northwest of Vietnam. The catchment is located at 600–700 m ... This paper presents a preliminary assessment of the hydrogeological characteristics of a karst mountainous catchment, the Suoi Muoi River catchment, in the northwest of Vietnam. The catchment is located at 600–700 m a.s.l. and covers an area of 284 km. Exposed limestone occupies 32% of the total catchment area. Various types of assessments have been carried out, including geological and hydrogeological field surveys, cave surveys, dye-tracer tests, meteorological and surface water monitoring. Geological studies and cave surveys have identified the most important active cave/conduit systems within the catchment. Although these data are essential, they are insufficient to make a comprehensive appraisal of the hydrologic nature of the catchment under interest. An attempt was made to calculate a global water balance of the catchment, based on short-term (15 months) meteorological and streamflow records. The results show that, despite the existence of a number of substantial cavern conduit systems, the groundwater system of the catchment is governed by the fracture/fissure matrix. The cavern conduit systems only collect groundwater from the adjacent fracture matrix and/or connect topographically isolated surface watercourses. The groundwater storage of the cavern conduit systems appears to be regionally insignificant in comparison with the governed fracture matrix groundwater system. 展开更多
关键词 karst hydrology GEOLOGY lowflow
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越南西北部一个岩溶山地流域的水文地质特征
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作者 v.t.tam T.M.N.Vu O.Batelaan 《地质学报》 EI CAS CSCD 北大核心 2001年第3期370-370,共1页
本文介绍对越南西北部一个岩溶山地流域——Suoi Muoi河流域水文地质特征的初步评价。该流域海拔600~1700m,面积284km^2。出露的石灰岩占整个流域面积的32%。对该流域已进行了各种类型的评价,包括野外地质和水文地质调查、溶洞调查、... 本文介绍对越南西北部一个岩溶山地流域——Suoi Muoi河流域水文地质特征的初步评价。该流域海拔600~1700m,面积284km^2。出露的石灰岩占整个流域面积的32%。对该流域已进行了各种类型的评价,包括野外地质和水文地质调查、溶洞调查、染色示踪试验、气象和地表水监测等。通过地质研究和溶洞调查在该流域内识别出了主要的活动溶洞/通道系统。尽管这些数据很重要,但据此还不足以对该流域作一个全面的评价。笔者试图根据短期(15个月) 展开更多
关键词 越南 岩溶山地流域 水文地质特征 溶洞 地下水
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