[1]HOU Kun,WANG Xiuru,DU Xiaoqing,et al.Analysis on Eco-environmental Water Demand in Taohuajiang Basin of Guilin City[J].Research of Soil and Water Conservation,2015,22(04):338-341.
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Analysis on Eco-environmental Water Demand in Taohuajiang Basin of Guilin City
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
22
Number of periods:
2015 04
Page number:
338-341
Column:
Public date:
2015-08-28
- Title:
- Analysis on Eco-environmental Water Demand in Taohuajiang Basin of Guilin City
- CLC:
- TV213
- DOI:
- -
- Abstract:
- The eco-environmental water demand of basin is an index of ecological system, which means the basin ecological system can guarantee and maintain the quality balance of ecological environment and the minimum water demand of other basic functions by self-regulation under the common circumstances,. The eco-environmental water demand of basin can be divided into two parts based on the river range, namely, the inside eco-environmental water demand and the outside eco-environmental water demand. Therefore, in the process of calculation, the calculation range and formula of the water demand should be confirmed respectively. This study takes the eco-environment of Taohuajiang basin of Guilin City as an example to introduce some relevant concepts and calculate the practical water demand based on scientific theoretical formula (primarily the area quota method and the Tennant method). It can be known that the inside and outside eco-environmental water demand of Taohuajiang basin are 90.1 million m3 and 14.6 million m3, respectively, which are 26.8% and 4.3% of the average annual runoff volume, respectively, according to the results from analysis and calculation. Therefore, in order to ensure the eco-environmental security of Taohuajiang basin, we should control the total amount of industrial and domestic water below 68% of the average annual runoff.
- References:
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1900-01-01