ASSESSMENT OF GEOMORPHOLOGIC CHARACTERISTICS IN VARBAND BASIN (LARESTAN) AND EROSION ZONATION WITH RS & GIS

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MOGHALI M.; KHALILIZADEH M.; ABI Y.

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Journal: JOURNAL OF PHYSICAL GEOGRAPHY Year:2012 | Volume:5 | Issue:15 Page(s): 9-20

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Title

ASSESSMENT OF GEOMORPHOLOGIC CHARACTERISTICS IN VARBAND BASIN (LARESTAN) AND EROSION ZONATION WITH RS & GIS

Author(s)

MOGHALI M. | KHALILIZADEH M. | ABI Y. | Issue Writer Certificate

Keywords

GEOMORPHOLOGYQ3

EPM AND MPSIAC MODELSQ2

RS AND GISQ2

VARBAND BASINQ2

Abstract

Geomorphologic characteristics have basic role in change of response basin. Also, these characteristics can have significant impacts on erosion and sediment yield potential of basins. In this research, by using IRS-LISS 4 (2008) images, GEOMORPHOLOGY and land use maps have prepared and modified in RS AND GIS by supervising classification and with field working. In addition, geomorphologic faces were assessed. Erosion and Sediment yield was estimated by EPM and MPSIAC modesl. Statistical comparison of the models showed that estimated amount of sediment yield by MPSIAC model with 95% confidence interval coincide with observed sediment yield. Therefore, MPSIAC model was used for drawing erosion zonation in GIS and sediment yield was estimated in unit works and basin. Results show that most formations in watershed are Quaternary alluvial deposition, Asmari, Mishan and Gachsaran, then, diverse geomorphologic faces were found, for example alluvial fans, alluvial plains and rill-waterway erosions. All of those factors and humans intrusion have caused that VARBAND BASIN has much sediment yield potential. The results of estimation of sediment yield by MPSIAC model show that total of sediment yield is 593924.66 ton/y and unit works are 1% in IV class, 70% in III class and 29% in II class. Finally, this research shows that that the maximum of sediment yield in N unit (158888.6 ton/y) and the minimum of sediment yield in C unit (4297.3 ton/y).

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APA: Copy

MOGHALI, M., KHALILIZADEH, M., & ABI, Y.. (2012). ASSESSMENT OF GEOMORPHOLOGIC CHARACTERISTICS IN VARBAND BASIN (LARESTAN) AND EROSION ZONATION WITH RS & GIS. JOURNAL OF PHYSICAL GEOGRAPHY, 5(15), 9-20. SID. https://sid.ir/paper/184955/en

Vancouver: Copy

MOGHALI M., KHALILIZADEH M., ABI Y.. ASSESSMENT OF GEOMORPHOLOGIC CHARACTERISTICS IN VARBAND BASIN (LARESTAN) AND EROSION ZONATION WITH RS & GIS. JOURNAL OF PHYSICAL GEOGRAPHY[Internet]. 2012;5(15):9-20. Available from: https://sid.ir/paper/184955/en

IEEE: Copy

M. MOGHALI, M. KHALILIZADEH, and Y. ABI, “ASSESSMENT OF GEOMORPHOLOGIC CHARACTERISTICS IN VARBAND BASIN (LARESTAN) AND EROSION ZONATION WITH RS & GIS,” JOURNAL OF PHYSICAL GEOGRAPHY, vol. 5, no. 15, pp. 9–20, 2012, [Online]. Available: https://sid.ir/paper/184955/en

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