In full transition: Key impacts of vanishing mountain ice on water-security at local to global scales

Haeberli, Wilfried; Weingartner, Rolf (2020). In full transition: Key impacts of vanishing mountain ice on water-security at local to global scales. Water Security, 11, p. 100074. Elsevier 10.1016/j.wasec.2020.100074

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Icy mountains with their surface ice in glaciers and subsurface ice in permafrost constitute important water towers relating to multiple human needs for water security. Vanishing of their ice as a consequence of global warming affects this function in a predominantly negative way. Key impacts are (1) the formation of new lakes with new options for use but also changing risk conditions related to decreasing stability of surrounding frozen peaks at local scales of source regions, (2) shifts in seasonality and higher inter-annual variability of runoff which may affect water supply at regional to continental scales including the surrounding lowlands, and (3) rising sea level at global scale. Long-term effects over decades, centuries and even millennia are involved, making serious impacts inevitable already now and irreversible for generations to come. Sustainable adaptation requires comprehensive systems analyses including dynamic socio-economic aspects.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Institute of Geography > Physical Geography > Unit Hydrology
08 Faculty of Science > Institute of Geography
08 Faculty of Science > Institute of Geography > Physical Geography

UniBE Contributor:

Weingartner, Rolf

Subjects:

900 History > 910 Geography & travel

ISSN:

2468-3124

Publisher:

Elsevier

Language:

English

Submitter:

Thomas Reist

Date Deposited:

22 Jan 2021 16:41

Last Modified:

24 Jan 2021 02:59

Publisher DOI:

10.1016/j.wasec.2020.100074

BORIS DOI:

10.48350/149319

URI:

https://boris.unibe.ch/id/eprint/149319

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