Document Type

Report

Publisher

Canadian Columbia Basin Glacier and Snow Research Network

Publication Date

2-2020

Keywords

glacier, Canada, Canadian Columbia Basin, climate

First Page

1

Last Page

114

Abstract

The cryosphere - all forms of frozen water on Earth- plays a fundamental role in its climate system. Seasonal snow, mountain glaciers, ice sheets, and sea ice reflect much of the incoming shortwave radiation at high latitudes and in mountainous terrain back to space, helping to regulate the surface temperature of the planet. Accelerating concentrations of greenhouse gases (Solomon et al. 2009) are responsible for late twentieth and early twenty-first century tropospheric warming; this warming in turn drives large-scale changes in the cryosphere, with global implications that include changes in hemispheric circulation (Francis and Vavrus 2012), sea level rise (Gardner et al. 2013) and increased warming through ice-albedo feedbacks.

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