APPLICATION OF FUZZY LOGIC OPERATORS FOR INVESTIGATION OF GULLY EROSION USING GIS (CASE STUDY: TROUD WATERSHED BASIN)

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SHADFAR SAMAD

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Journal: GEOGRAPHICAL DATA Year:2015 | Volume:23 | Issue:92 Page(s): 35-42

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Title

APPLICATION OF FUZZY LOGIC OPERATORS FOR INVESTIGATION OF GULLY EROSION USING GIS (CASE STUDY: TROUD WATERSHED BASIN)

Author(s)

SHADFAR SAMAD | Issue Writer Certificate

Keywords

TROUD WATERSHED BASINQ2

GEOMORPHOLOGYQ2

GEOGRAPHIC INFROMATION SYSTEM (GIS)Q2

GULLY EROSIONQ2

FUSSY LOGICQ1

Abstract

One type of environmental hazards in many areas in our country that causes destroying agricultural lands, rangeland and Infrastructure is GULLY EROSION. In this study, fuzzy logic operators are used to determine the different hazard zones, obtain the area of each of them and GULLY EROSION hazard map in Troud watershed. To achieve this objective, satellite imagery, aerial photo interpretation with scale of 1:20000, topographic maps with scale of 1:50000, geological maps with scale of 1:100000, field studies and ArcGIS software has been used as research tools. For this purpose, at first a few effective variables that have important role in the formation and development of GULLY EROSION and GULLY EROSION areas were identified. The next step, Effective factors classes were weighted And GULLY EROSION maps were prepared using fuzzy operators including fuzzy Algebraic sum, fuzzy product, fuzzy gamma0.5 and fuzzy gamma 0.8 in GIS environment. The results indicated that, in fuzzy Algebraic sum method was located 100% of the gully in high zone. 83.29% of the gullies have occurred in low zone in fuzzy product. According to the results obtained, 60.93% of the gullies were located in low zone and 17 % of gullies have occurred in high and very high zones in method fuzzy gamma 0.5. In fuzzy gamma 0.8 method, were located 1.5% of the gullies in low zone and 62% of the gullies in high and very high zones.

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APA: Copy

SHADFAR, SAMAD. (2015). APPLICATION OF FUZZY LOGIC OPERATORS FOR INVESTIGATION OF GULLY EROSION USING GIS (CASE STUDY: TROUD WATERSHED BASIN). GEOGRAPHICAL DATA, 23(92), 35-42. SID. https://sid.ir/paper/253225/en

Vancouver: Copy

SHADFAR SAMAD. APPLICATION OF FUZZY LOGIC OPERATORS FOR INVESTIGATION OF GULLY EROSION USING GIS (CASE STUDY: TROUD WATERSHED BASIN). GEOGRAPHICAL DATA[Internet]. 2015;23(92):35-42. Available from: https://sid.ir/paper/253225/en

IEEE: Copy

SAMAD SHADFAR, “APPLICATION OF FUZZY LOGIC OPERATORS FOR INVESTIGATION OF GULLY EROSION USING GIS (CASE STUDY: TROUD WATERSHED BASIN),” GEOGRAPHICAL DATA, vol. 23, no. 92, pp. 35–42, 2015, [Online]. Available: https://sid.ir/paper/253225/en

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