scholarly journals Stochastic Assessment of Nonpoint Source Contamination: Joint Impact of Aquifer Heterogeneity and Well Characteristics on Management Metrics

2019 ◽  
Vol 55 (8) ◽  
pp. 6773-6794 ◽  
Author(s):  
Christopher Vincent Henri ◽  
Thomas Harter
2020 ◽  
Vol 51 (1) ◽  
pp. 03-04
Author(s):  
Leon Kirk

Eutrophication is an overall contamination issue, when the directresource contamination is proficiently unnatural; contamination load from non-point foundation has the expanding extent in the complete burden. The investigation on non-point foundation contamination is a significant perspective in the exploration on water condition contamination. The nonpoint source contamination, highlighted by broad inclusion, dynamic intricacy and troublesome evaluation of precise spatial area and release degree, is a solution and troublesome concern for the investigation of water condition contamination. In this magazine, an improved fare co-efficient strategy is projected to gauge non-point foundation contamination load in watersheds, same thinking about the impacts of precipitation and the decrease of toxin during the time spent vehicle. The measures of downpour and overflow are enormous in soaked years, so the non-point foundation contamination heaps created are huge too in different years, the non-point foundation contamination loads are fewer a direct result of less precipitation in typical water years. Non-point resource contamination factors are investigated, for example, precipitation, land use, landscape, geography and soil P speciation in farmland soil tests in forest soil tests, and in orchardland soil tests.


2001 ◽  
Author(s):  
John F. Walker ◽  
D.J. Graczyk ◽  
Steven R. Corsi ◽  
J.A. Wierl ◽  
D.W. Owens

2012 ◽  
Vol 610-613 ◽  
pp. 2787-2790 ◽  
Author(s):  
Kwang Ik Son ◽  
Kwang Sung Woo ◽  
Yong Gu Kang ◽  
Kyung Min Kim ◽  
Gyo Chang Son

A drastic change of hydrological characteristics of a deforested basin causes severe runoff, sediment yield, and environmental contamination. In these days, many forest suffered from more frequent wildfires than before due to the climate change and human activities in Korea. A bared soil surface caused by wildfires results higher peak discharge and serious erosion over the basin. Ultimately, the increased sediment erosion results the nonpoint source contamination of water and soils of the basin. Systematic researches on sediment yields had been carried out with a mountainous watershed which had been suffered from wildfires. The experimental watershed has being operated with six standard plots and one sedimentation chamber last four years. The cover management factor of RUSLE and the characteristics of SDR (Sediment Delivery Ratio) for burned mountain basin were suggested from the field investigation.


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