RESPONSE OF SEDIMENTGRAPHS AND SEDIMENT RATING LOOPS TO LAND USE TYPE AND SPATIAL PATTERN

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SADEGHI SEYED HAMIDREZA; MOSTAFAZADEH RAOOF; SADODDIN AMIR

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Journal: WATERSHED ENGINEERING AND MANAGEMENT Year:2015 | Volume:7 | Issue:1 Page(s): 15-26

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Title

RESPONSE OF SEDIMENTGRAPHS AND SEDIMENT RATING LOOPS TO LAND USE TYPE AND SPATIAL PATTERN

Author(s)

SADEGHI SEYED HAMIDREZA | MOSTAFAZADEH RAOOF | SADODDIN AMIR | Issue Writer Certificate

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Abstract

Assessment of suspended sedimentgraph (SG) and rating loops are important tools for analyzing the behavior of watersheds and successful implementation of watershed management measures in reducing sediment. However, the development and analysis of SGs and rating loops and influencing factors need more attention in watershed-scale. Therefore, the present study aimed to conduct the analysis of 13 observed and simulated sedimentgraphs (SGs) during October 2011 and November 2012, in Galaz-Chai Watershed with an area of 103km2 located in West-Azarbaijan Province, Iran. Towards this attempt, the SG of observed events was derived using instantaneous unit sediment graph (IUSG) concept, and the effects of different land uses were investigated. Also, the variation and patterns of the simulated sedimentgraphs (SGs) and rating loops were plotted and interpreted with the respective land use types. Based on the results, an early peak occurred in SGs with respect to the observed hydrograph peak rates and consequently had clock-wise pattern. Increase in falling limb of hydrograph could be attributed to the participation of sediment production from agricultural land in watershed upstream. The model predicted SGs with good accuracy according to the Nash-Sutcliffe criterion (70%). Analysis of results indicated that the type and distribution pattern of different land uses had significant effect on the shape of SGs and sediment rating loops.

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APA: Copy

SADEGHI, SEYED HAMIDREZA, MOSTAFAZADEH, RAOOF, & SADODDIN, AMIR. (2015). RESPONSE OF SEDIMENTGRAPHS AND SEDIMENT RATING LOOPS TO LAND USE TYPE AND SPATIAL PATTERN. WATERSHED ENGINEERING AND MANAGEMENT, 7(1 ), 15-26. SID. https://sid.ir/paper/234632/en

Vancouver: Copy

SADEGHI SEYED HAMIDREZA, MOSTAFAZADEH RAOOF, SADODDIN AMIR. RESPONSE OF SEDIMENTGRAPHS AND SEDIMENT RATING LOOPS TO LAND USE TYPE AND SPATIAL PATTERN. WATERSHED ENGINEERING AND MANAGEMENT[Internet]. 2015;7(1 ):15-26. Available from: https://sid.ir/paper/234632/en

IEEE: Copy

SEYED HAMIDREZA SADEGHI, RAOOF MOSTAFAZADEH, and AMIR SADODDIN, “RESPONSE OF SEDIMENTGRAPHS AND SEDIMENT RATING LOOPS TO LAND USE TYPE AND SPATIAL PATTERN,” WATERSHED ENGINEERING AND MANAGEMENT, vol. 7, no. 1 , pp. 15–26, 2015, [Online]. Available: https://sid.ir/paper/234632/en

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