Estimating the suspended sediment load in the Bahmanshir River using remote sensing

Document Type : Original Article

Authors

1 Department of marine structures, Faculty of Marine Engineering, Khorramshahr University of Marine Science and Technology, Khorramshahr, Khuzestan, Iran.

2 Department of marine structures, Faculty of Marine Engineering, Khorramshahr University of Marine Science and Technology , Khorramshahr, Khuzestan, Iran.

3 Department of Water Engineering, Faculty of Agricultural Engineering and Rural Civil Engineering, Khuzestan University of Agricultural Sciences and Natural Resources, Khuzestan, Iran.

Abstract

Objective: Considering to the Bahmanshir River is one of the most important exploitable rivers in the country, and currently various projects, including the construction of upstream and downstream Bahmanshir dams and navigation locks, the Torah Bakhakh pumping station, are being studied and implemented on this river, the aim of the present study was to estimate the rate of suspended sediment load that could affect the aforementioned projects.
 
Method: There are various methods for estimating the rate of suspended sediments and they have always been used by water science engineers. Today, with the advancement of technology and new technologies, new methods have been developed. In the present study, MODIS satellite data was used in remote sensing to study the estimation of suspended sediment load.
 
Results: The results of the research show that the most optimal parameter for estimating suspended sediment concentration is the red and infrared bands. Also, the significance level in both tests at the Torah Bakhakh station (annual data) and stations 3 and 5 (daily, one-year data) is greater than 0.05, and at the Torah Bakhakh station (daily, ten-year data) and stations 1, 2, and 4 (daily, one-year data) is less than 0.05.
 
Conclusions: The results indicate that MODIS satellite data can be effectively used to estimate suspended sediment concentration in the Bahmanshir River. The red and infrared bands were identified as the most suitable parameters for sediment estimation. Statistical results showed significant relationships at some stations and time scales, while others were not statistically significant. Overall, remote sensing provides a useful tool for monitoring suspended sediment and supporting the planning and management of hydraulic projects along the Bahmanshir River.

Keywords

Main Subjects

References

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Advanced Technologies in Water Efficiency
Volume 6, Issue 3
September 2026
Pages 100-116

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History

  • Receive Date: 25 July 2025
  • Revise Date: 26 October 2025
  • Accept Date: 03 January 2026

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