Taking stock of the growing glaciers in Asia

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The world is warming and glaciers around the world are shrinking as a result. Despite this general trend, one region in High Mountain Asia has glaciers that are stable, or even growing. This puzzling behaviour is often referred to as the Karakoram anomaly, named after the Karakoram mountain range where this behaviour was first noted, and it has been a scientific mystery for a number of years.

A group of scientists that are working on this problem, led by ETH’s Daniel Farinotti and including Walter and Remco from our group, has now summarized our knowledge about the Karakoram anomaly in a paper published in Nature Geoscience. It includes a description of the history of the problem, our current understanding of the possible causes of the anomaly, and systematic suggestions for how new measurements and modelling can help us to finally solve the mystery of Asia’s growing glaciers.

Karakoram anomaly schematic
Schematic of the process chain leading to anomalous glacier evolution. a, External processes. b, Climate forcing. c, Glacier properties. d, Glacier response. e, Downstream impacts. For every element, a relative level of confidence in its characterization or understanding is indicated by the colour shading. The confidence level is based on the authors’ expert judgement and literature review.

Reference

Farinotti, Daniel, Walter W. Immerzeel, Remco J. de Kok, Duncan J. Quincey, and Amaury Dehecq. 2020. “Manifestations and Mechanisms of the Karakoram Glacier Anomaly.” Nature Geoscience 13 (1): 8–16. https://doi.org/10.1038/s41561-019-0513-5.

The post Taking stock of the growing glaciers in Asia appeared first on Mountain Hydrology.

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