Effect of acid rain on soil infiltration in various land aspects using rain simulation
Publish place: Environmental Resources Research، Vol: 11، Issue: 2
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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JR_IJERR-11-2_001
تاریخ نمایه سازی: 18 دی 1402
Abstract:
Infiltration is defined as the flow of water from above ground into the subsurface. It is not equal between soils, so the infiltration of diverse soils is distinct. Acid rain has a significant impact on infiltration with the effect on physical and chemical soil. In this study, in order to determine most important factors affecting soil Infiltration, compared to acid rainfall in the slope main aspects of Aghajari marl formation, a part of Margha watershed of Izeh City with an area of ۱۶۰۹ hectares was selected. In order to determine the association between the infiltration rate produced rainfall simulator with some soil physical and chemical properties including a percentage of gravel, clay, silt, sand, acidity, electrical conductivity, moisture, calcium carbonate, and organic matter and sodium were performed in different slopes of Aghajari marl formation. Subsequently, ۸ points were sampled for infiltration rate with ۳ replications on the northern, southern, eastern, and western slopes of the Aghajari marl formation under varying levels of rainfall at ۱ and ۱.۲۵ mm per minute as well as in a simulated rainfall environment with pH ۴ and ۵. In order to study the effectiveness factors on infiltration rate, soil samples were taken in the ۲۰-۰ cm layer as well as the number of infiltrating. regression. Generally, in the Aghajari marl formation in precipitations with distilled water, pH= ۴ and pH = ۵, soil chemical characteristics play an essential role in increasing and decreasing the infiltration.
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Authors
Hamzah Saeediyan
Research Assistant Professor, Department of Soil Conservation and Watershed Management Research, Kerman Agricultural and Natural Resource Research Center, Agricultural Research, Education and Extension Organization, Kerman, Iran