We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
渭河陕西段健康评估研究.
- Authors
李茜; 尚潇瑛; 赵敏歌; 骆建文
- Abstract
In view of the problem of total water resources in Shaanxi section ofWeihe River is short, the degree of exploitation and utilization is high, the water consumption continues to increase and the ecological flow cannot be guaranteed, combined with the characteristics of Weihe River drainage basin in Shaanxi Province, channel shape and function zoning, the paper treated the key techniques of Weihe River health assessment in Shaanxi Province, such as section monitoring scheme, monitoring point setting, evaluation index setting and so on for the health evaluation of Weihe River in Shaanxi Province. The result score of assessment is 49.36, belonging to sub-health state. The main characterizations of unhealthy in Shaanxi section of Weihe River were analyzed, i.e. the variation degree of Weihe River discharge process was high, the variation of hydrological situation was great, the satisfaction degree of ecological flow was low, the biological integrity was seriously damaged and the water quality of the water functional area was low. It also put forward the unhealthy main pressures including the reduction of Weihe River water supply, the increase of water pressure and poor river bed stability.
- Publication
Yellow River, 2019, Vol 41, Issue 5, p83
- ISSN
1000-1379
- Publication type
Article
- DOI
10.3969/j.issn.1000-1379.2019.05.017