A5045409165- Landslides and related hazards
- Cryospheric studies and observations
- Soil and Unsaturated Flow
- Tree Root and Stability Studies
- Fire effects on ecosystems
- Climate change and permafrost
- Geotechnical Engineering and Analysis
- Geophysics and Gravity Measurements
- Atmospheric and Environmental Gas Dynamics
- Plant Water Relations and Carbon Dynamics
- Remote Sensing and Land Use
- Arctic and Antarctic ice dynamics
- Hydrology and Watershed Management Studies
- Soil erosion and sediment transport
- Groundwater and Isotope Geochemistry
- Evaluation Methods in Various Fields
- Hydrology and Sediment Transport Processes
- Geological Modeling and Analysis
- Advanced Computational Techniques and Applications
- Soil and Water Nutrient Dynamics
- Isotope Analysis in Ecology
- Geology and Paleoclimatology Research
- Forest, Soil, and Plant Ecology in China
Institute of Mountain Hazards and Environment
2023-2025
Chinese Academy of Sciences
2023-2025
Southern University of Science and Technology
2019-2023
ETH Zurich
2015-2016
Abstract Hydrologically‐induced landslides are ubiquitous natural hazards in the Himalayas, posing severe threat to human life and infrastructure. Yet, landslide assessment Himalayas is extremely challenging partly due complex drastically changing climate conditions. Here we establish a mechanistic hydromechanical modeling framework that incorporates impacts of key water fluxes stocks on triggering risk evolution mountain systems, accounting for potential change conditions period 1991–2100....
Abstract Spatial variations in soil properties affect key hydrological processes, yet their role mechanical response to hydro‐mechanical loading is rarely considered. This study aims fill this gap by systematically quantifying effects of spatial type and initial water content on rapid rainfall‐induced shallow landslide predictions at the hillslope‐ catchment‐scales. We employed a physically‐based triggering model that considers interactions among columns governed strength thresholds. At...
Abstract Understanding how groundwater storage (GWS) responds to climate change is essential for water resources management and future availability in the Tibetan Plateau (TP). However, dominant factor controlling long‐term GWS changes remains unclear its responses are not well understood. Here we combined multi‐source datasets including in‐situ measurements, satellite observations, global models, reanalysis products reveal that increased at 5.59 ± 1.44 Gt/yr during 2003–2016 while showing...
Abstract A characteristic of rainfall‐induced landslides is the gradual loading by infiltrating rainwater that weakens soil mantle and could progress to abrupt mass release. The temporal patterns similar rainfall amounts affect hydrological response a catchment thus influence landslide dynamics. We use novel scale hydromechanical triggering model systematically study how different asymmetric distributions intensities dynamics hazard evolution. Evaluating events with durations total shows...
Abstract Vegetation modulates rainfall‐induced shallow landslides in mountainous regions primarily via root reinforcement, canopy interception, and evapotranspiration. An understudied consequence of vegetation activity is the promotion soil structure development—an important trait often neglected hydromechanical models. Here we propose a novel mechanism for how vegetation‐promoted inhibits enhanced hillslope infiltration capacity drainage that delay onset landslide triggering. The hydrologic...
Abstract CH 4 emissions from inland water are highly uncertain in the current global budget, especially for rivers and streams due to sparse measurements uncertainty of caused by turbulent flow. A previous study has revealed that vertical hydrologic exchange flow (VHEF) is main regulator riverbed sediments. However, what extent understanding obtained plot‐scale can be extended reach scale basin remains unknown. To address this challenge, we developed a process‐based model estimate flux at...
Abstract The active layer thickness (ALT) in permafrost regions regulates hydrological cycles, water sustainability, and ecosystem functions the cryosphere is extremely sensitive to climate change. Previous studies often focused on impacts of rising temperature ALT, while roles soil content granularity have rarely been investigated. Here, we incorporate alterations contents thermal properties across various granularities assess spatiotemporal ALT dynamics Qinghai-Tibet Plateau (QTP)....
Abstract The Yarlung Zangbo River (YZR) is the largest river in northern Himalayas, providing crucial water resources for downstream. A full understanding of streamflow dynamics and regional budget critical to secure security Himalayan tower. Here we establish a comprehensive hydrological model simulate precipitation‐runoff‐evapotranspiration‐groundwater‐streamflow complex YZR basin. We decipher contributions different sources (e.g., precipitation, meltwater, groundwater) YZR's estimate that...
Abstract Evidence suggests that the sudden triggering of rainfall‐induced shallow landslides is preceded by accumulation local internal failures in soil mantle before their abrupt coalescence into a landslide failure plane. The mechanical status hillslope at any given time reflects competition between damage accumulated during antecedent rainfall events and rates healing (e.g., rebonding microcracks root regrowth). This dynamic interplay determines initial state for modeling. We evaluated...
Seasonally frozen ground (SFG) is a critical component of the Earth's surface that affects energy exchange and water cycle in cold regions. The estimation SFG depth has generally required intensive parameterization which limited estimates data-scarce regions such as Qinghai-Tibet Plateau (QTP). We propose simple yet robust modeling framework employing temperatures major model inputs to assess spatiotemporal patterns Yarlung Zangbo River Basin (YZRB) on QTP. was calibrated using measurements...
Abstract Rainfall‐induced landslides are often preceded by progressive failures that culminate in abrupt mass release. Local failure progression is captured a landslide hydro‐mechanical triggering model represents the soil mantle as interacting columns linked tensile and compressive mechanical “bonds.” Mechanical bonds may fail at prescribed threshold leaving modeling challenge of how to redistribute their load neighboring intact columns. We employed an elastic spring‐block analytically...
Abstract Rainfall‐induced shallow landslides scar the Earth surface and deliver sediment pulses into fluvial systems thus play an important role in landscape evolution. Previous landslide legacy affects local soil depths regeneration rates modifying future susceptibility dynamics. Here, we couple advanced hydromechanical model with a depth quantify effects by placing dynamics perspective of Results show increased near recently failed regions due to alteration hydrological processes thinner...
Seasonally frozen ground (SFG) is a significant component of the cryosphere, and its extent gradually increasing due to climate change. The hydrological influence SFG complex varies under different climatic physiographic conditions. summer rainfall dominant pattern in Qinghai Lake Basin (QLB) leads significantly seasonal freeze–thaw process groundwater flow compared regions with winter snowfall dominated precipitation. processes QLB are not fully understood lack soil temperature observation...