Upland river planform morphodynamics and associated riverbank erosion: Insights from channel migration of the upper Yarlung Tsangpo river

Lin, Zhipeng; Han, Zehua; Hussan, Waqas Ul; Bai, Yuchuan; Wang, Chengshan

doi:10.1016/j.catena.2023.107280

Cited by 8 publications

(2 citation statements)

References 114 publications

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“…However, the workload is huge and the cost of workforce and material resources is too high. Meanwhile, the rivers in mountainous areas have complex geometry (Lin et al, 2023), and flood-obstructing buildings such as steep-gentle transition reaches, tributary confluences, curved reaches, bridges and culverts are widely distributed, which can easily lead to spatial heterogeneity distribution (Deal et al, 2023). We have constructed a set of quantitative methods based on hydrodynamic methods propose the determination conditions of danger-hidden reaches such as steep-gentle transition reach, tributary confluence reach, curved reach, bridge and culvert reach.…”

Section: Hydrodynamic Modelmentioning

confidence: 99%

The Early Identification of Flash Flood Disasters: Mechanism, Model and Uncertainty

Yang,

Lu,

Song

et al. 2024

Preprint

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Abstract. Flash flood disasters are one of the major natural disasters in the world, and rapid and accurate early identification of flash flood disasters is the key to preventing and controlling them. In recent years, computer and spatial information technology development has promoted the advancement of early identification technology for flash floods. However, previous research has mainly focused on the impact of "water" and neglected the impact of "sediment" deposition on the rise of water levels. To gain a more comprehensive understanding of flash floods and improve the accuracy of early identification, this article first uses bibliometric methods to review the spatiotemporal distribution, internal relationships, and research hotspots of literature in this field over the past 42 years. Then, the research practice of considering the impact of sediment on the early identification of flash floods was introduced from three aspects: mechanism, model, and uncertainty. Finally, the existing problems in current research were discussed, and future research directions were proposed. The research results have shown that the number of publications in this field has been increasing yearly and will continue to increase, but the cooperation between authors is not close. The coupling effect between sediment replenishment and floods cannot be ignored. Taking into account multiple uncertainties can greatly improve recognition accuracy. This study can provide a panoramic literature perspective and practical research experience for relevant researchers and decision-makers and support further improving flash flood prevention and control capabilities.

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Section: Hydrodynamic Modelmentioning

confidence: 99%

The Early Identification of Flash Flood Disasters: Mechanism, Model and Uncertainty

Yang,

Lu,

Song

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

“…This decreases the watershed's ability to store water in the dry season, increasing the frequency and magnitude of floods (An et al, 2022;Hasanuzzaman et al, 2023;Li et al, 2022;Lufira et al, 2022). High erosion rates also result in silting in reservoirs, lakes, and rivers, reducing their carrying and flowing capacity (Lin et al, 2023;Samekto & Winata, 2010;B. Zhu et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Analysis of The Level of Erosion Hazard in The Walanae Watershed and Land Conservation Directions to Reduce The Erosion Rate in The Walanae Watershed

Firdazam,

Sangkawati,

Wulandari

2023

IJSSR

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The Walanae Watershed (DAS) is one of the Walanae – Cenranae Sub Watersheds in several districts, including Wajo, Soppeng, Bone, and Maros regencies. The river flow in the Walanae watershed flows from south to north and empties into Lake Tempe, Wajo Regency. The condition of Lake Tempe, which continues to experience silting due to erosion and sedimentation, is still happening. This siltation resulted in sediment discharges reaching 519,000 m3/year. This siltation can cause a narrowing of the lake area and flooding around Lake Tempe. The purpose of this study is to model erosion control in the Walanae watershed to reduce the level of siltation that occurs in Lake Tempe. Analysis of the erosion rate of the Walanae watershed using the USLE method. The analysis results show that the erosion rate that occurred in 2000 was 187.52 Tons / Ha / Yr, while in 2022, it was 253.336 Tons / Ha / Yr. Scenarios based on land conservation actions can reduce the erosion rate by 149,034 tons/ha / Year. The scenario was carried out by considering slope classes and land cover in the Walanae watershed. In flat to gentle slope conditions, ground cover crops and livestock grazing are needed; in rice fields and dryland agriculture, rural and annuals and mulch reinforcement are needed. Conservation measures are needed in steep to very steep slope classes, such as bench terraces and plant cover crops for agricultural land cover. As for forest areas, permanent vegetation or agroforestry is needed.

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Assessment of sediment transport in Luxiapuqu watershed using RUSLE-TLSD and InSAR techniques: Yarlung Tsangpo River, China

Chen,

Lan,

Nie

et al. 2024

Environ Sci Pollut Res

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Upland river planform morphodynamics and associated riverbank erosion: Insights from channel migration of the upper Yarlung Tsangpo river

Cited by 8 publications

References 114 publications

The Early Identification of Flash Flood Disasters: Mechanism, Model and Uncertainty

The Early Identification of Flash Flood Disasters: Mechanism, Model and Uncertainty

Analysis of The Level of Erosion Hazard in The Walanae Watershed and Land Conservation Directions to Reduce The Erosion Rate in The Walanae Watershed

Assessment of sediment transport in Luxiapuqu watershed using RUSLE-TLSD and InSAR techniques: Yarlung Tsangpo River, China

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