COMPARATIVE ANALYSIS OF THE EFFECTS OF RAINFALL INTENSITY AND EXPERIMENTAL PLOT SLOPE ON RAINDROP IMPACT INDUCED EROSION (RIIE)

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KIANI HARCHEGANI MAHBOOBEH; SADEGHI SEYED HAMID REZA; ASADI HOSSEIN

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Journal: Iranian Journal of Soil and Water Research Year:2016 | Volume:46 | Issue:4 Page(s): 631-640

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Title

COMPARATIVE ANALYSIS OF THE EFFECTS OF RAINFALL INTENSITY AND EXPERIMENTAL PLOT SLOPE ON RAINDROP IMPACT INDUCED EROSION (RIIE)

Author(s)

KIANI HARCHEGANI MAHBOOBEH | SADEGHI SEYED HAMID REZA | ASADI HOSSEIN | Issue Writer Certificate

Keywords

EROSION FACTORSQ2

RAINFALL EROSIONQ2

RAINFALL SIMULATORQ2

SOIL EROSION PROCESSQ2

Abstract

Splash detachment and transport of soil particles through the impact of raindrops on the soil surface form the initiating mechanisms of water erosion. However, mechanistic analysis of different affecting factors has less been taken into account. The present study was therefore formulated for a comparative analysis of the effective intensities as well as slopes on Raindrop Impact Induced Erosion (RIIE) components within a laboratory scale and for a sandy clay loam soil. Towards this end, a total of 81 rainfall simulation experiments were conducted in a set of 1 ´ 6 m plots with varying slopes of 5, 15 and 25% while using the current situation prevalent in the region. The experiments were performed in three replications and with simulated rainfall intensities of 30, 60, and 90 mm h-1 using region IDF. The experiments were also adopted while using rainfall simulation system along with upward as well as downward Morgan’s splash cups placed at upper, middle and lower parts of the plot. Results indicated that all the study variables viz. total vs net splash and upward downward splash were significantly (p £ 0.01) influenced by rainfall intensity and cups’ locality, but net splash was not statistically influenced (p ³ 0.13) by spatial variation of cups. In addition, the results showed that slope did not affect any study variables (p ³ 0.11) except the phenomenon of net splash (p £ 0.01).

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APA: Copy

KIANI HARCHEGANI, MAHBOOBEH, SADEGHI, SEYED HAMID REZA, & ASADI, HOSSEIN. (2016). COMPARATIVE ANALYSIS OF THE EFFECTS OF RAINFALL INTENSITY AND EXPERIMENTAL PLOT SLOPE ON RAINDROP IMPACT INDUCED EROSION (RIIE). IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 46(4), 631-640. SID. https://sid.ir/paper/225597/en

Vancouver: Copy

KIANI HARCHEGANI MAHBOOBEH, SADEGHI SEYED HAMID REZA, ASADI HOSSEIN. COMPARATIVE ANALYSIS OF THE EFFECTS OF RAINFALL INTENSITY AND EXPERIMENTAL PLOT SLOPE ON RAINDROP IMPACT INDUCED EROSION (RIIE). IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2016;46(4):631-640. Available from: https://sid.ir/paper/225597/en

IEEE: Copy

MAHBOOBEH KIANI HARCHEGANI, SEYED HAMID REZA SADEGHI, and HOSSEIN ASADI, “COMPARATIVE ANALYSIS OF THE EFFECTS OF RAINFALL INTENSITY AND EXPERIMENTAL PLOT SLOPE ON RAINDROP IMPACT INDUCED EROSION (RIIE),” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 46, no. 4, pp. 631–640, 2016, [Online]. Available: https://sid.ir/paper/225597/en

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