mass balance

Greenland Ice Sheet mass balance

By Dr Tom Slater, University of Leeds, UK How does mass balance vary over Greenland? The mass balance of the Greenland Ice Sheet is the net difference between ice gains through snowfall, and ice losses through melting at its surface or underneath its floating ice tongues, and through the calving of icebergs from glaciers flowing …

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Videos about glacier mass balance

Watch this brief introductory video, made by Time for Geography with Bethan Davies and Simon Cook, about glacier mass balance. This is suitable for GCSE and A-level students. This more in-depth lecture (29 minutes) introduces the concept of glacier mass balance, and then goes on to discuss how glaciers worldwide are shrinking, and what this …

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Mass Balance teaching resources

This page highlights some of the excellent teaching resources available for exploring glacier mass balance. For more ideas, see the Resources for Teachers page. Case study: USGS Benchmark Glaciers The USGS has an excellent resource on the mass balance of Lemon Creek Glacier, a World Reference Glacier, and the other USGS Benchmark Glaciers. This has …

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Mass Balance

What is glacier mass balance? The Mass balance of a glacier can be thought of as the health of a glacier. Mass balance is the total sum of all the accumulation (snow, ice, freezing rain) and melt or ice loss (from calving icebergs, melting, sublimation) across the entire glacier. If glaciers have a mass balance …

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The surface energy balance

This page draws from the excellent review of glacier melt by Hock (2005) and the equally informative chapter on ‘Snow, Ice and Climate’ (Chapter 2) in Glaciers and Glaciation by Benn and Evans (2010). I highly recommend these resources if you want to dive deeper into the processes of glacier melting and the surface energy …

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Glacier accumulation and ablation

Glacier accumulation | Glacier ablation | Equilibrium line altitude | Glaciers as a system | Further reading | References | Comments | Glacier accumulation A glacier is a pile of snow and ice. In cold regions (either towards the poles or at high altitudes), more snow falls (accumulates) than melts (ablates) in the summer season. …

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Mass balance of the Antarctic ice sheet from 1992 to 2017

A new paper with a whole host of authors has just been published in Nature (IMBIE Team, 2018). It provides a new estimate of mass balance of the entire Antarctic Ice Sheet over the last 25 years, the longest and most thorough estimate of this to date. This article argues that the Antarctic Peninsula, the …

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