Volume 2, Issue 2 (2014)                   ECOPERSIA 2014, 2(2): 539-556 | Back to browse issues page

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Nourmohammadi F, Soufi M, Sadeghi S H, Mirrezaie S, Kazemi V, Karimzadeh H, et al . Storm-Wise Sediment Production of Gully Erosion in the West of Iran. ECOPERSIA. 2 (2) :539-556
URL: http://ecopersia.modares.ac.ir/article-24-12133-en.html
1- PhD Student in Watershed Management and Science, Faculty of Natural Resources, Lorestan University, Khorambad, Iran
2- Fars Research Centre for Agriculture and Natural Resources, Shiraz, Iran., Shiraz
3- Professor, Faculty of Natural Resources, Tarbiat Modares University, Noor, Iran.
4- MSc Student, Faculty of Natural Resources, Isfahan University of Technology, Isfahan, Iran.
5- MSc Student, Faculty of Natural Resources, Yazd University, Yazd, Iran.
6- Assistant Professor, Faculty of Natural Resources, Isfahan University of Technology, Isfahan, Iran.
7- Associate Professor, Faculty of Natural Resources, Yazd University, Yazd, Iran.
8- Assistant Professor, Faculty of Natural Resources, University of Boo Ali Hamadan, Hamadan, Iran.
9- Assistant Professor, Faculty of Natural Resources, Yazd University, Yazd, Iran.
Abstract:   (4966 Views)
Different types of soil erosion including gully erosion occur in many parts of Iran. The west of Iran is further threatened by gully erosion due to its specific physical and climatic conditions. However, few studies have been carried out to study the sediment production of gully erosion in Iran. This research was therefore conducted to measure storm-wise sediment production of gully erosion in the west of Iran. To achieve the study objectives, 48 gullies located in three small watersheds viz. Darreh-Shahr, Abbas-Abad and Hollowsh in Ilam and Lorestan Provinces were monitored. The volumes of gullies were measured before and after 5 rainstorms for Darreh-Shahr and Abbas Abad watersheds and 6 rainstorms for Hollowsh watershed from 2005 to 2007. Sediment production was calculated on storm basis for each gully. The results revealed that the minimum and maximum volumes of gully erosion were 0.002 and 1.010 m3, respectively, for one millimeter of rainfall. The results indicated that soil moisture, percentage of silt and clay, amount and intensity of rainfall and drainage area were the most important factors on formation and sediment production of gully erosion.
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* Corresponding Author Address: Ilam

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