ESTIMATION OF SOIL EROSION AND DEPOSIT GENERATION IN BEKR ABAD DRAINAGE BASIN IN VARZGHAN USING MPSIAC IN GIS ENVIRONMENT

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HEJAZI ASSADOLLAH; NIKJOO MOHAMMADREZA; ISFAHANI MOHADDESEH

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Journal: GEOGRAPHIC SPACE Year:2015 | Volume:15 | Issue:49 Page(s): 237-257

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Title

ESTIMATION OF SOIL EROSION AND DEPOSIT GENERATION IN BEKR ABAD DRAINAGE BASIN IN VARZGHAN USING MPSIAC IN GIS ENVIRONMENT

Author(s)

HEJAZI ASSADOLLAH | NIKJOO MOHAMMADREZA | ISFAHANI MOHADDESEH | Issue Writer Certificate

Keywords

SOIL EROSIONQ2

DEPOSIT GENERATIONQ2

MPSIAC MODELQ2

GISQ2

BEKR-ABAD DRAINAGE BASINQ2

Abstract

Every year, thousands of tons of soils become unavailable from gardens, pastures, and agricultural lands by different forms of erosion, accumulating in potentially sedimentary regions, leading to significant losses. To manage eroded regions and inhibit this phenomenon, it is necessary to identify areas under erosion or under deposit and estimate the amount of eroded soil, thereby appropriate protective actions for reducing or lowering the erosion process can be done, in addition to determining vulnerable and critical regions. So, it is required to get access to high accuracy and efficiency. For this purpose, the experimental model has been used. This model has been used in different geographical environments in Iran. It has presented acceptable and satisfying results than other experimental models due to its quantifiablity and use of several parameters. In this method, nine environmental factors have been investigated: geology, soil, climate, running water, gradient, earth covering, land use, surface and river erosion. Then, the rate of erosion and deposit is calculated by quantitative pricing of parameters. In this study, all data from these model data were estimated by the documentary method for evaluating deposit and erosion in Bekr Abad Drainage Basin, field studies were extracted and its required layers were provided in GIS Software. When databases were found, quantitative pricing and weight-giving to any of layers were extracted based on defined standards in the model, as well as in the final map of erosion spreading and the basin deposits. Comparing the amounts of estimated deposits and maps from areas sensitive to basin erosion with observational amounts and with field states of the basin indicates that fortunately, this basin is not in an acute state in terms of erosion values, and the development process is preventable by proper management. Also, surface erosion state gradient, and soil characteristic factors are most influential factors on the incidence of different erosion among different erosion factors of the basin.

Cites

PRIORITIZING WATERSHED FOR GABION CHECK DAMS BUILDING BY SPATIAL MULTI-CRITERIA ANALYSIS (SMCE), IN HASANROBAT ESFAHAN

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APA: Copy

HEJAZI, ASSADOLLAH, NIKJOO, MOHAMMADREZA, & ISFAHANI, MOHADDESEH. (2015). ESTIMATION OF SOIL EROSION AND DEPOSIT GENERATION IN BEKR ABAD DRAINAGE BASIN IN VARZGHAN USING MPSIAC IN GIS ENVIRONMENT. GEOGRAPHIC SPACE, 15(49), 237-257. SID. https://sid.ir/paper/91547/en

Vancouver: Copy

HEJAZI ASSADOLLAH, NIKJOO MOHAMMADREZA, ISFAHANI MOHADDESEH. ESTIMATION OF SOIL EROSION AND DEPOSIT GENERATION IN BEKR ABAD DRAINAGE BASIN IN VARZGHAN USING MPSIAC IN GIS ENVIRONMENT. GEOGRAPHIC SPACE[Internet]. 2015;15(49):237-257. Available from: https://sid.ir/paper/91547/en

IEEE: Copy

ASSADOLLAH HEJAZI, MOHAMMADREZA NIKJOO, and MOHADDESEH ISFAHANI, “ESTIMATION OF SOIL EROSION AND DEPOSIT GENERATION IN BEKR ABAD DRAINAGE BASIN IN VARZGHAN USING MPSIAC IN GIS ENVIRONMENT,” GEOGRAPHIC SPACE, vol. 15, no. 49, pp. 237–257, 2015, [Online]. Available: https://sid.ir/paper/91547/en

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