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Multitemporal characterisation of a proglacial system: a multidisciplinary approach
Earth System Science Data ( IF 11.2 ) Pub Date : 2023-05-23 , DOI: 10.5194/essd-2023-94
Elisabetta Corte , Andrea Ajmar , Carlo Camporeale , Alberto Cina , Velio Coviello , Fabio Giulio Tonolo , Alberto Godio , Myrta Maria Macelloni , Stefania Tamea , Andrea Vergnano

Abstract. The recession of Alpine glaciers causes an increase in the extent of proglacial areas that leads to changes in the water and sediment balance morphodynamics and sediment transport. Although the processes occurring in proglacial areas are relevant not only from a scientific point of view but also for the purpose of climate change adaptation, there is a lack of studies on the continuous monitoring and multitemporal characterization of these areas. This work offers a multidisciplinary approach that merges the contributions of different scientific disciplines such as hydrology, geophysics, geomatics and water engineering to characterise the Rutor glacier and its proglacial area. We surveyed the glacier and its proglacial area since 2020 with both uncrewed (drone) and crewed aerial photogrammetric flights; we determined the bathymetry of the most downstream proglacial lake and the thickness of the sediments deposited on its bottom. Water depth at four different locations within the hydrographic network of the proglacial area and the bedload at the glacier snout were continuously monitored. The synergy of our approach enables the characterisation, monitoring and understanding of a set of complex and interconnected processes occurring in a proglacial area.

中文翻译:

proglacial 系统的多时间特征:多学科方法

摘要。阿尔卑斯山冰川的消退导致前冰川区域范围的扩大,从而导致水和沉积物平衡形态动力学和沉积物运输发生变化。尽管冰川后期地区发生的过程不仅从科学角度而且与适应气候变化的目的相关,但缺乏对这些地区的连续监测和多期特征的研究。这项工作提供了一种多学科方法,融合了水文学、地球物理学、地球数学和水工程等不同科学学科的贡献,以描述 Rutor 冰川及其前冰川地区的特征。自 2020 年以来,我们通过无人驾驶(无人机)和载人航空摄影测量飞行对冰川及其前冰川区域进行了调查;我们确定了最下游冰川湖的水深和沉积在湖底的沉积物厚度。连续监测前冰川区水文网络内四个不同位置的水深和冰川口部的床负荷。我们方法的协同作用使得能够描述、监测和理解发生在前冰川地区的一系列复杂和相互关联的过程。
更新日期:2023-05-23
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