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Water resources in Chile: The critical relation between glaciers and mining for sustainable water management

Authors

  • Antonio Bellisario Earth and Atmospheric Sciences, Metropolitan State University of Denver
  • Francisco Ferrando Departamento de Geografía, University of Chile
  • Jason Janke Earth and Atmospheric Sciences, Metropolitan State University of Denver
No. 46 (2013)
https://doi.org/10.5354/0719-5370.2013.30288

Abstract

Rock glaciers and debris covered glaciers are often understudied in comparison to their uncovered glacial counterparts (in which stunning surface ice is clearly visible). However, rock glaciers and debris covered glaciers are more abundant, often cover a larger area, and will continue to supply a water resource once other glaciers have melted. The surface rock and weathered material cover on rock glaciers and debris covered glaciers acts as an insulator to protect internal ice. As a result, they maintain a reservoir of ice that will be released as water as the climate warms. In the Central Andes (31°–35° S), these catchments provide a valuable water source for nearby urban areas such as Santiago, Chile, which supports more than 6 million people. They also provide irrigation water for agriculture, supporting the burgeoning wine industry in Chile. However, rock glacier and debris covered glaciers are often misinterpreted as other landforms, and their water source is unrecognized by many. The objective of this research is to provide a methodology to inventory the extent of debris covered and rock glaciers in a catchment to estimate the amount of water contained within these landforms using GIS and remotely sensed data. This methodology could be used to better assess and sustainably manage the water resources in the Dry Andes in general and in the Aconcagua Basin in particular

Keywords:

Glaciers, debris covered glaciers, rock glaciers, mining expansion, sustainable water management

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How to Cite
Bellisario, A., Ferrando, F., & Janke, J. (2013). Water resources in Chile: The critical relation between glaciers and mining for sustainable water management. Investigaciones Geográficas, (46), Pág. 3–24. https://doi.org/10.5354/0719-5370.2013.30288
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Investigaciones Geográficas
Facultad de Arquitectura y Urbanismo
Universidad de Chile
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