GULLY EROSION HAZARD ZONATION IN TOROOD WATERSHED

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ARAB GHASHGHAIE ZAHRA; NIKKAMI DAVOOD; SHADFAR SAMAD; MOEINI ABOLFAZL

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Paper Information

Journal: GEOGRAPHICAL JOURNAL OF TERRITORY Year:2011 | Volume:8 | Issue:31 Page(s): 107-119

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Information Journal Paper

Title

GULLY EROSION HAZARD ZONATION IN TOROOD WATERSHED

Author(s)

ARAB GHASHGHAIE ZAHRA | NIKKAMI DAVOOD | SHADFAR SAMAD | MOEINI ABOLFAZL | Issue Writer Certificate

Keywords

GULLY EROSIONQ2

ZONATIONQ2

TOROOD WATERSHEDQ2

GISQ2

Abstract

Gully eroaion is one of the developed forms of water erosion which redolent of surface soil destruction in the lands. Recognize of the effective factors in happence of GULLY EROSION and it’s ZONATION is a basic implement to manage and control this phenomenon. This study has been performed with aim of recognizing the effective factors on the GULLY EROSION making and it’s ZONATION in the watershed of Torood. The most important effective factor in happending GULLY EROSION such as slope, aspect, litology, land use, distance of communications network, land and canopy cover were selected as the most important factors on gully development and their layers were provided in GIS environment. All three gullies in the area were selected for the study. For each gully, three soil samples were collected from 25, 50 and 75 percent of gully length and three from outside of gully for comparison. These Samples have examined from the view of Gypsum, Organic Carbon, Salinity, Saturation Percentage, Lime, Sodiun Absorption Ratio and PH. GULLY EROSION ZONATION map of TOROOD WATERSHED was prepared using 1:40,000 areal photos of 2001 and field measurements using GPS. The area covered by GULLY EROSION in each class of effective factors, were computed by overlaying GULLY EROSION ZONATION map with effective factor layers. Effective factors and their classes in related layers were weighted using Multi Class Maps method. Results demonstrated that 88 percent of gullies are located at high to very high classes of vulnerability zones. Soil analysis also indicated that salinity, gypsum and sodium absorption ratio in the gullies are higher and the amount of organic carbon is less than that of surrounded areas. But, there were no significant difference between saturation percentage, lime and pH in the gullies and surrounded areas.

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APA: Copy

ARAB GHASHGHAIE, ZAHRA, NIKKAMI, DAVOOD, SHADFAR, SAMAD, & MOEINI, ABOLFAZL. (2011). GULLY EROSION HAZARD ZONATION IN TOROOD WATERSHED. GEOGRAPHICAL JOURNAL OF TERRITORY, 8(31), 107-119. SID. https://sid.ir/paper/116223/en

Vancouver: Copy

ARAB GHASHGHAIE ZAHRA, NIKKAMI DAVOOD, SHADFAR SAMAD, MOEINI ABOLFAZL. GULLY EROSION HAZARD ZONATION IN TOROOD WATERSHED. GEOGRAPHICAL JOURNAL OF TERRITORY[Internet]. 2011;8(31):107-119. Available from: https://sid.ir/paper/116223/en

IEEE: Copy

ZAHRA ARAB GHASHGHAIE, DAVOOD NIKKAMI, SAMAD SHADFAR, and ABOLFAZL MOEINI, “GULLY EROSION HAZARD ZONATION IN TOROOD WATERSHED,” GEOGRAPHICAL JOURNAL OF TERRITORY, vol. 8, no. 31, pp. 107–119, 2011, [Online]. Available: https://sid.ir/paper/116223/en

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