EVALUATION OF WATER EROSION WITH ICONA MODEL

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NOHEGAR AHMAD; KAZEMI MOHAMMAD

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Journal: GEOGRAPHICAL RESEARCH Year:2014 | Volume:28 | Issue:4 (111) Page(s): 1-14

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Title

EVALUATION OF WATER EROSION WITH ICONA MODEL

Author(s)

NOHEGAR AHMAD | KAZEMI MOHAMMAD | Issue Writer Certificate

Keywords

EROSIONQ2

FIELDINGQ2

RSQ2

GISQ2

ICONAQ2

Abstract

In this research, the applicability of geographic information system (GIS) and remote sensing (RS) techniques was tested to assess soil EROSION risk with the ICONA EROSION model. This study was carried out in the Tange Bostanak area because of its variety of diverse landforms, land uses and land covers. The EROSION risk assessment phase of this model consists of seven steps that mainly use slope, geology; land use and land cover information. A potential EROSION risk map (step 3) was obtained from the slope (step 1) and kissing layers (step 2) generated using a digital elevation model (DEM) and digital geological maps. As a result of this process, the distribution of the EROSION risk classes was 28.6% (very low), 36.7% (low), 26.7% (medium), 4.8% (high), and 3.2% (extreme). Land use (step 4) and land cover (step 5) layers derived from Landsat TM image data classification were combined to produce the soil protection map (step 6). During the final predictive phase, soil erodible and soil protection layers were combined to generate the ICONA soil EROSION status map (step 7). The final map showed that 8% of the area had high and very high erosive status. These areas especially included hilly and mountainous areas, and excluded the forested parts. The rest of the study area had lower (very low, low and appreciable) EROSION status. The present study shows that GIS and RS techniques have an important role to play in soil EROSION risk studies.

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APA: Copy

NOHEGAR, AHMAD, & KAZEMI, MOHAMMAD. (2014). EVALUATION OF WATER EROSION WITH ICONA MODEL. GEOGRAPHICAL RESEARCH, 28(4 (111)), 1-14. SID. https://sid.ir/paper/29803/en

Vancouver: Copy

NOHEGAR AHMAD, KAZEMI MOHAMMAD. EVALUATION OF WATER EROSION WITH ICONA MODEL. GEOGRAPHICAL RESEARCH[Internet]. 2014;28(4 (111)):1-14. Available from: https://sid.ir/paper/29803/en

IEEE: Copy

AHMAD NOHEGAR, and MOHAMMAD KAZEMI, “EVALUATION OF WATER EROSION WITH ICONA MODEL,” GEOGRAPHICAL RESEARCH, vol. 28, no. 4 (111), pp. 1–14, 2014, [Online]. Available: https://sid.ir/paper/29803/en

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