Environmental change, geomorphic processes and land degradation in tropical highlands

CATENA ◽  
2008 ◽  
Vol 75 (1) ◽  
pp. 1-4 ◽  
Author(s):  
Jan Nyssen ◽  
Jean Poesen ◽  
Nigussie Haregeweyn ◽  
Tony Parsons
Keyword(s):  
Environmental Change ◽  
Land Degradation ◽  
Tropical Highlands ◽  
Geomorphic Processes

Restoration of Destroyed Land due to Building of Water Reservoir

2013 ◽  
Vol 739 ◽  
pp. 355-360
Author(s):  
Ling Yuh Sheu ◽  
Ying Lin Lee ◽  
Shaw Bing Wen ◽  
Yun Hwei Shen ◽  
Jui Lin Chang
Keyword(s):  
Water Resources ◽  
Environmental Change ◽  
Land Degradation ◽  
Water Storage ◽  
Water Reservoir ◽  
Ecological Engineering ◽  
Economic Benefits ◽  
Water Reservoirs ◽  
Engineering Projects

In order to obtain adequate water resources, the decision to build water reservoirs is unavoidable. However, the large amount of sand and rocks washed out from upstream shortens the lifespan of the water reservoirs. Therefore, the sediment needs to be cleared away to prolong the lifespan of the reservoirs, secure the water storage in the water reservoirs and improve their efficiency to achieve the best economic benefits. This research aimed to discuss the reasons for geographical and environmental change, as well as natural ecological destruction due to construction of water reservoirs. The findings could serve as a reference to further ecological engineering projects to restore ecological and geographical conditions, and to improve the land degradation situation caused by the construction of water reservoirs.

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