Reference : Study on the relationship between lineaments and borehole specific capacity in a frac...
Scientific journals : Article
Engineering, computing & technology : Geological, petroleum & mining engineering
Study on the relationship between lineaments and borehole specific capacity in a fractured and karstified limestone area in Vietnam
Tam, V. T. [Research Institute of Geology and Mineral Resources, Ministry of Natural Resources and Environment, Hanoi, Vietnam > > > > > >]
De Smedt, F. [Vrije Universiteit Brussel - VUB > Hydrology > > >]
Batelaan, Okke [Vrij Universiteit Brussel - VUB > Hydrology > > >]
Dassargues, Alain mailto [Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Hydrogéologie & Géologie de l'environnement >]
Hydrogeology Journal
Yes (verified by ORBi)
New York
[en] Vietnam ; karst ; carbonate rocks ; lineament ; groundwater exploration
[en] For a karstified limestone area in NW Vietnam, the relationship between the distribution of lineaments and borehole specific capacity is determined, resulting in the conclusion that not only the borehole geomorphological-hydrogeological position but also the lineament distribution influences the specific capacity. No significant spatial well yield patterns are evident in this highly fractured-karstified region. The supposition is that lineaments caused by geotectonic activities affect the local variability in borehole specific capacity. Sixteen pumping tests in conjunction with a comprehensive lineament analysis are used to prove this relationship. The boreholes and lineaments are classified into two groups according to their similarity in geomorphological-hydrogeological features. Lineaments tend to be less detectable in discharge areas (lowland, wide and flat valleys) in contrast to the high density in recharge areas (highland narrow-mountainous ravines). In addition, the presence of a stream network in the former can act as a recharge source to the underlain karstic groundwater system. Consequently, boreholes that are in the discharge areas with a lower density of lineaments often produce high yield. For recharge areas with a high density of lineaments, a good correlation is found between lineament density and borehole specific capacity.
Aquapôle - AQUAPOLE
Researchers ; Professionals
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