Estimating Non-point Source Pollution Loads of a Small Watershed in Northeast China with AnnAGNPS

Author(s):  
Jian Ma ◽  
Xin Chen ◽  
Yi Shi ◽  
Caiyan Lu ◽  
Guangyu Chi ◽  
...  
2014 ◽  
Vol 535 ◽  
pp. 394-398
Author(s):  
Hong Chen ◽  
Chun Yi Duan

This paper concern the difficulties of comprehensive improvement of small watershed pollution. There were some patterns of comprehensive improvement of small watershed pollution, which include industrial pollution, domestic pollution, non-point source polluting, and rural non-point source pollution in small watershed. We put out control measures of these pollution and long-term mechanism of mall basin pollution remediation


Author(s):  
Kong-Tae Ra ◽  
Kyung-Tae Kim ◽  
Joung-Keun Kim ◽  
Jae-Hyun Bang ◽  
Jung-Moo Lee ◽  
...  

2014 ◽  
Vol 1010-1012 ◽  
pp. 711-716
Author(s):  
Min Shi ◽  
Wei Hua Xiao ◽  
Chun Mei Wang ◽  
Da Wei He ◽  
Cai Lian Hao ◽  
...  

A large area of agricultural non-point source pollution which was caused by higher input of fertilizer and pesticide, lower availability of fertilizer, soil erosion and serious destruction of ecological balance in black soil region of northeast China has attracted the national attention and raised the relevant scholars’concern. This paper mainly summarizes the research on mechanism exploration, quantitative of pollution load and model simulation and controlling measure of the black earth region of northeast conducted by domestic scholars, which based on the instruction of general situation of agricultural non-point source pollution in black soil region of northeast China, and then put forward the shortcomings in the present study and direction of future development.


2015 ◽  
Vol 744-746 ◽  
pp. 2382-2385 ◽  
Author(s):  
Lei Zhu ◽  
Jin Xi Song ◽  
Chang Qin Zheng

Weihe River Watershed above Linjiacun Section is taken as the research objective in this paper and NH3-N is chosen as the water quality parameter. According to the discharge characteristics of point source pollutions and non-point source pollutions, a new method to estimate pollution loads-characteristic section load method is suggested and point source pollution and non-point source pollution loads of Weihe River Watershed above Linjiacun Section are calculated in the rainy, normal and dry season in the year 2007. The results show that the monthly point source pollution loads of Weihe River Watershed above Linjiacun Section are discharged stably, the monthly non-point source pollution loads of Weihe River Watershed above Linjiacun Section change greatly, the non-point source pollution load proportions of total pollution load of NH3-N are gradually decreased in the rainy, normal and wet periods.


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