Title :
Study of environment restoration after Water-distribution project in lower reaches of Heihe River
Author :
Zhang, Hua ; Zhang, Bo
Author_Institution :
Geogr. & Environ. Coll., Northwest Normal Univ., Lanzhou, China
Abstract :
In order to improve the ecological system in Heihe River Basin, a Water-distribution Project has started in 2000. This paper focus on comparative analysis of the ecological environment factors before and after the project in Heihe River Basin. The results showed that: (1) compared with 1900s, the average entry water was increased by 0.9×108m3 in Langxin Mountain. (2) ground water level raised by 1.04m at both sides of Heihe River. (3) the oasis area increased by 40.16km2, while the areas of gobi, desert, saline-alkali soil reduced. (4) the area of lakes and ponds increased in the upper reaches especially the east Juyan Lake. These results demonstrate that after the water-distribution project the ecological environment has been improved and the deterioration of the ecological environment has been curbed step by step.
Keywords :
ecology; groundwater; lakes; rivers; water resources; China; Heihe River Basin; Langxin Mountain; east Juyan Lake; ecological environment deterioration; ecological system; environment restoration analysis; gobi desert area; ground water level; oasis area; water-distribution project; Correlation; Ecosystems; Lakes; Rivers; Soil; Vegetation; Water resources; ecological restoration; ground water; the lower reaches of Heihe River; vegetation; water environment; water- distribution project;
Conference_Titel :
Water Resource and Environmental Protection (ISWREP), 2011 International Symposium on
Conference_Location :
Xi´an
Print_ISBN :
978-1-61284-339-1
DOI :
10.1109/ISWREP.2011.5893129
