Estimation of long-term river discharge and benefits evaluation of ecological water conveyance in Ertanggou basin from 2000 to 2020
Junqing Lei, Adilai Wufu, Chao Xu, Zhanbo Wang, Vinaya Satyawan Tari, Vinaya Satyawan Tari, Vinaya Satyawan Tari, Vinaya Satyawan Tari
TL;DR
This study evaluates the impact of ecological water conveyance on river discharge and land use in the Ertanggou basin from 2000 to 2020.
Contribution
The study introduces a method using RSHS technology to estimate river discharge and assess ecological water conveyance benefits in data-limited arid regions.
Findings
River discharge in the Ertanggou basin increased due to glacial meltwater from climate warming.
Ecological water conveyance improved land use patterns, expanding water bodies and cultivated land.
Reservoir development and river training enhanced the efficiency of ecological water conveyance.
Abstract
Given the current ecological degradation in the inland arid river basins of our country, ecological water conveyance has increasingly become a critical measure to alleviate the pressures of water scarcity on ecosystems and to promote regional sustainable development. The Ertanggou watershed in Xinjiang was selected as the study area. This study utilized Remote Sensing Hydrological Station (RSHS) technology to calculate river discharge for typical cross-sections in the Tulufan Ertanggou basin from 2000 to 2020. The study also analyzed the impact of ecological water conveyance on different land types using land cover type data to assess the benefits of ecological water conveyance. RSHS technology offers reliable data support for estimating river discharge and evaluating ecological water conveyance. The average annual growth rates of the river basin discharge at the study sections are…
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Taxonomy
TopicsHydrology and Watershed Management Studies · Flood Risk Assessment and Management · Cryospheric studies and observations