NDLI: Karst conduit flow and its hydrodynamic characteristics — Houzhai River drainage basin in Puding, Guizhou, China as an example

Content Provider	Springer Nature Link
Author	Wang, Lachun Zhang, Yongzhan
Copyright Year	2001
Abstract	Conduit flow is a special geomorphologic and hydrological phenomenon in karst area. Houzhai River drainage basin in Puding, Guizhou Province is a large-scale test field in the main and broad karst area in the southern part of China, where conduit flow is a general reserve and drainage system for groundwater. Based on the great deal of field investigation and indoor research work during the 1970s–1980s, pulse tests were done four times there during 1988–1991 in wet and dry seasons. It shows that water level at each observation site changes from 10 to 1800 mm, with the larger variation in upper stream and at karst windows than in lower reaches and at each exit along subterraneous rivers. The average flow velocity in conduit system is determined within 200 – 800 m/h, with the less change from flood to dry seasons, and it is higher in principal conduits and in upper stream area. Also, the reliable divided discharge ratio among each hydrological conduit of sunken system has been got. Thus, combined with detailed field survey in this area, the river system has been exposed finally.
Starting Page	45
Ending Page	50
Page Count	6
File Format	PDF
ISSN	10016538
Journal	Chinese Science Bulletin
Volume Number	46
Issue Number	1
e-ISSN	18619541
Language	English
Publisher	Science in China Press
Publisher Date	2001-01-01
Publisher Place	Beijing
Access Restriction	Subscribed
Subject Keyword	conduit flow karst pulse test Houzhai River Science Life Sciences Physics Chemistry/Food Science Earth Sciences Engineering
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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