Remote Sensing and GIS-Based Assessment of Riverbank Erosion, Deposition, and Channel Migration: A Case Study in Tarim River’s Xinqiman–Kelelik Mainstem
Source abstract
Abstract
To investigate the erosion and deposition evolution characteristics of the Xinqiman–Kelelik reach along the main stem of the Tarim River, this study analyzed river channel dynamics and planform morphological changes using Landsat satellite imagery (1993–2024) and hydrological data (water discharge and sediment load) from gauge stations. The results show that the thalweg line swings indefinitely in the river. The thalweg length increased by 29 km, while the mean channel width decreased by 0.28 km. The sinuosity index rose from 1.95 to 2.34, indicating a gradual intensification of channel curvature. The north bank is in a state of siltation, while the south bank is in a state of erosion. The riverbank exhibited an overall southward migration. The farmland area in the study area increased from 1510 hectares in 1993 to 5140 hectares in 2024. During this period, the thalweg near the water-diversion sluice continuously shifted toward the sluice side. To ensure flood protection safety for farmlands and villages on both banks, as well as ecological water diversion, river channel regulation and channel pattern control should be implemented.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Hydrology and Sediment Transport Processes · Soil erosion and sediment transport · Hydrology and Watershed Management Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Hydraulic and Civil Engineering, Xinjiang Agricultural University, Urumqi 830052, China
Funding
Tianshan Elite Youth Talent Program of Xinjiang Uygur Autonomous Region · Key R&D project of Xinjiang Uygur Autonomous Region · 2024 research project of the Xinjiang Key Laboratory of Hydraulic Engineering Safety and Water Disaster Prevention
References (52)
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