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题名: Assessment of geo-hazards in a rapidly changing landscape: the three Gorges Reservoir Region in China
作者: Strehmel, Alexander1; Schoenbrodt-Stitt, Sarah2; Buzzo, Giovanni3; Dumperth, Christian4; Stumpf, Felix2; Zimmermann, Karsten5; Bieger, Katrin6; Behrens, Thorsten2; Schmidt, Karsten2; Bi, Renneng4; Rohn, Joachim4; Hill, Joachim3; Udelhoven, Thomas3; Xiang, Wei7; Shi, Xuezheng8; Cai, Qinghua9; Jiang, Tong10; Fohrer, Nicola1; Scholten, Thomas2
关键词: Three Gorges Reservoir Region ; Land-use change ; Soil erosion ; Landslides ; Diffuse matter inputs ; Integrated modeling
刊名: ENVIRONMENTAL EARTH SCIENCES
发表日期: 2015-09-01
DOI: 10.1007/s12665-015-4503-7
卷: 74, 期:6, 页:4939-4960
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]: Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
研究领域[WOS]: Environmental Sciences & Ecology ; Geology ; Water Resources
英文摘要: Large dam projects attract worldwide scientific attention due to their environmental impacts and socioeconomic consequences. One prominent example is the Three Gorges Dam (TGD) at the Yangtze River in China. Due to considerable resettlements, large-scale expansion of infrastructure and shifts in land use and management, the TGD project has irreversible impacts on the Upper Yangtze River Basin and strongly challenges the environmental conditions of this fast-developing region. Soil erosion and landslides are major geo-hazards. Knowing the extent and consequences of those geo-hazards for the landscape is essential to predict and evaluate their risk potential and allows for the development of strategies for a sustainable future land use in the Three Gorges Region (TGR). In this context, our research objectives are (1) to better understand the mechanisms of soil erosion, landslides, and diffuse matter fluxes in the TGR and their anthropogenic and environmental control factors, (2) to predict their hazard potential by combining spatial and temporal, scenario-driven high-resolution modeling in combination with multi-scale earth observation data, and (3) to develop a multi-component approach for the assessment and monitoring of geogene structures and processes. The paper describes the workflow of the project and introduces case studies, representing the current state of our research. It is shown that land-use changes as well as the water-level fluctuations of the reservoir are the crucial drivers for the soil erosion and landslide hazard. Furthermore, we present a framework aiming at the establishment of a monitoring and measuring network as well as an early warning system.
关键词[WOS]: LAND-USE CHANGE ; SOIL-EROSION ; XIANGXI CATCHMENT ; CESIUM-137 MEASUREMENTS ; SEDIMENT DELIVERY ; WATER EROSION ; ASTER IMAGERY ; YANGTZE-RIVER ; AREA ; LANDSLIDE
语种: 英语
WOS记录号: WOS:000360537700027
ISSN号: 1866-6280
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/27172
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Univ Kiel, Inst Nat Resource Conservat, Dept Hydrol & Water Resources Management, Kiel, Germany
2.Univ Tubingen, Dept Geosci, Chair Soil Sci & Geomorphol, Tubingen, Germany
3.Univ Trier, Dept Environm Remote Sensing & Geoinformat, Trier, Germany
4.Univ Erlangen Nurnberg, Geoctr Northern Bavaria, Chair Appl Geol, D-91054 Erlangen, Germany
5.DMT GmbH & Co KG, Explorat & Geosurvey, Essen, Germany
6.Texas A&M AgriLife, Blackland Res & Extens Ctr, Temple, TX USA
7.China Univ Geosci, Dept Geotech Engn & Engn Geol, Wuhan 430074, Peoples R China
8.Chinese Acad Sci, Inst Soil Sci, Dept Soil Resources & Remote Sensing Applicat, Nanjing, Jiangsu, Peoples R China
9.Chinese Acad Sci, Inst Hydrobiol, Wuhan, Peoples R China
10.China Meteorol Adm, Natl Climate Ctr, Beijing, Peoples R China
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