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Impacts of elevational variability of climate and frozen ground on streamflow in a glacierized catchment in Tibetan Plateau by Man Gao; Xi Chen; Guangxuan Li; Jiarong Wang; Jianzhi Dong is a Environmental Science article available to read on EtoBox.
What is Impacts of elevational variability of climate and frozen ground on streamflow in a glacierized catchment in Tibetan Plateau about?
In cold and high-elevation mountainous catchments, climate and landscape vary with elevation, which leads to elevational variability in runoff. The short-term variation and long-term change of climate would temporally and permanently alter the conditions of frozen ground and runoff characteristics at different elevation zones. In this study, a conceptually hydrological model is developed to investigate the responses of soil freeze–thaw and runoff processes to climate change from 1979 to 2013 in a glacierized catchment in the Tibetan Plateau (TP). Results show that our model can accurately reproduce the observed daily streamflow. In addition to rainfall (63.8%), meltwater from glacier (22.2%) and snowpack (14.0%) are also key contributors to streamflow, especially at high elevations. As temperature declines with rising of elevation, the elevation-runoff relationship depicts a convex formation with a runoff peak at the elevation of ∼5800 m. Below 5800 m, surface flow increases towards high elevations accompanied by the increase of glacier coverage, while groundwater flow reduces because the enlarged frozen ground areas inhibit the percolation of the infiltrated water. Above 5800 m, t
Who reads Impacts of elevational variability of climate and frozen ground on streamflow in a glacierized catchment in Tibetan Plateau?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Man Gao; Xi Chen; Guangxuan Li; Jiarong Wang; Jianzhi Dong
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)