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首页> 外文会议>Erosion and sediment yields in the changing environment >Sediment transport in the proglacial Fagge River (Kaunertal/Austria)
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Sediment transport in the proglacial Fagge River (Kaunertal/Austria)

机译：冰河Fagge河（Kaunertal /奥地利）中的泥沙运输

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摘要

The fluvial system in proglacial areas is more-or-less continuously fed with sediment by glacial melt water and infrequently supplied with sediment by landslides, debris flows, rock fall or fluvial transport from the coupled slopes. A part of the sediment input is temporarily stored in intermittent sinks (river bed, bars, braid plains). These stores can be reworked and then become sources for fluvial sediment transport during floods. Sediment transporting processes are highly variable in both the temporal and spatial scale. In consequence of this high variability, field-data based detailed knowledge of sediment fluxes and the interrelated geomorphological processes in proglacial areas is lacking. The present work is part of the research project "High-resolution Measurements of Morphodynamics in Rapidly Changing Proglacial Systems of the Alps", that is set up in the Kaunertal, Austrian Alps. The project is focused on the quantification of fluvial sediment transport. Suspended sediment load and bed load are measured at different locations in the proglacial Fagge River. Surface changes of sediment sources are quantified by a comparison of multi-temporal terrestrial and airborne laser scanning data.
机译：冰河地区的河流系统或多或少地由冰川融化的水连续地输送沉积物，而很少通过滑坡，泥石流，落石或来自耦合斜坡的河流输送来输送沉积物。输入的一部分沉积物临时存储在间歇的水槽中（河床，河床，辫状平原）。这些仓库可以进行改造，然后成为洪水期间河流沉积物运输的来源。沉积物的运输过程在时间和空间尺度上都是高度可变的。由于这种高度的可变性，缺乏基于冰霜地区沉积物通量及其相关地貌过程的基于现场数据的详细知识。目前的工作是在奥地利阿尔卑斯山的Kaunertal设立的“阿尔卑斯山快速变化的冰川系统中形态动力学的高分辨率测量”研究项目的一部分。该项目侧重于河流沉积物运移的量化。在冰河Fagge河的不同位置测量悬浮的泥沙负荷和河床负荷。通过比较多时相陆地和机载激光扫描数据，可以量化沉积物源的表面变化。

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  • 会议地点 Chengdu(CN)
  • 作者

    DAVID MORCHE; FLORIAN HAAS; HENNING BAEWERT; TOBIAS HECKMANN; KARL-HEINZ SCHMIDT; MICHAEL BECHT;

  • 作者单位

    Institute for Geosciences and Geography, Martin-Luther-University Halle-Wittenberg, D-06099 Halle/Saale, Germany;

    Catholic University of Eichstaett-Ingolstadt, Department of Physical Geography, Ostenstr. 18, D-85072 Eichstaett, Germany;

    Institute for Geosciences and Geography, Martin-Luther-University Halle-Wittenberg, D-06099 Halle/Saale, Germany;

    Catholic University of Eichstaett-Ingolstadt, Department of Physical Geography, Ostenstr. 18, D-85072 Eichstaett, Germany;

    Institute for Geosciences and Geography, Martin-Luther-University Halle-Wittenberg, D-06099 Halle/Saale, Germany;

    Catholic University of Eichstaett-Ingolstadt, Department of Physical Geography, Ostenstr. 18, D-85072 Eichstaett, Germany;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    proglacial; sediment transport; bed load; terrestrial laser scanning; kaunertal, austria;

    机译：gla亵泥沙输送；床负荷地面激光扫描奥地利坎纳塔尔;

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