scholarly journals Driving factors for runoff decline in the Upper Hanjiang basin, a major water source for the South-to-North Water Diversion Project in China

2015 ◽  
Vol 368 ◽  
pp. 63-68
Author(s):  
S. Zhang ◽  
D. Yang ◽  
X. Xu
Keyword(s):  
Landscape Change ◽  
Water Source ◽  
Qualitative Description ◽  
Water Diversion ◽  
The South ◽  
Runoff Change ◽  
Water Diversion Project ◽  
North Water ◽  
Runoff Decrease ◽  
The Impact

Abstract. With dramatic changes in climate and land-cover patterns around the world, it is of great significance to evaluate the corresponding influence on runoff change as water resources have become a strategic resource. We analysed the runoff change driven by landscape change and climate variation in Hanjiang River basin, which is the water source area of the central route of the South-to-North Water Diversion Project in China. Results show that the runoff decreased greatly from 1960 to 2012 in all the six selected sub-catchments. Attribution analysis results show that reduction of precipitation contributed to the catchment runoff decrease by 39.5–64.9% and landscape change, represented by increase of the parameter in the mathematical Budyko function contributed to the runoff decrease by 34.4–63.3%, while potential evapotranspiration change had a slightly negative contribution. In addition, the contribution is spatially variable from downstream to upstream. We conclude with a qualitative description about how water availability changes under changing landscape and climate conditions, and focus on the impact of vegetation cover change.

Establishing the Ecological Circulation Circle in the Water Source Areas of the South–to–North Water Diversion Middle Routes Project

2012 ◽  
Vol 518-523 ◽  
pp. 4337-4340
Author(s):  
Hui Yin Ji
Keyword(s):  
Water Source ◽  
Hebei Province ◽  
Water Diversion ◽  
Ecological Environment ◽  
Environment Protection ◽  
The South ◽  
Source Areas ◽  
Water Diversion Project ◽  
North Water ◽  
Tianjin City

The South–to–North Water Diversion project provides water mainly for Henan and Hebei province , Beijing and Tianjin city . So the ecological environment protection in the water source areas is very important. But the ecological environment of water source areas of the middle route project is damaged becsuse a large amount of fertilizer and pesticide are used in the field, the pollution is heavy, and some lakes are turned into fields at some area. The systematic ecological circulation circles have not been established. This paper puts forward the countermeasures and methods of establishing the ecological circulation circle in the water rource areas of the middle route project after it illustrates the importance of establishing the ecological circulation circle in the water source areas , and analyzes the problems of the ecological circulation circle in the water source areas.

scholarly journals Comparisons and improvements of eco-compensation standards for water resource protection in the Middle Route of the South-to-North Water Diversion Project

2020 ◽  
Vol 20 (8) ◽  
pp. 2988-2999
Author(s):  
Mengkai Liu ◽  
Jing Guo
Keyword(s):  
Socioeconomic Development ◽  
Source Area ◽  
Water Source ◽  
Water Diversion ◽  
The South ◽  
Ecological Service ◽  
Water Diversion Project ◽  
North Water ◽  
Compensation Standard ◽  
The Cost

Abstract Reasonable eco-compensation standards are conducive to increasing the enthusiasm of residents in the water source area of the water diversion project for ecological environmental protection and maintenance and for improving the water quality security of the water receiving area. In this paper, a comparative analysis of calculation mechanisms, formulas, and results of 7 types of eco-compensation standard methods for the Middle Route Project of the South-to-North Water Diversion Project in China is conducted. The research shows that the calculated results for the 7 types of methods differ greatly and considers that the cost and ecological service value methods are appropriate. Using this as the basic method to consider introducing market value of water resources, internal income of water source area, and government financial support for method improvement, the results show that the improved methods can reduce the gap between the per capita income of the water source area and the reference area, increase the satisfaction of both the water receiving area and the water source area, and provide support for overall socioeconomic development.

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