Keywords: ice core; firn air; convective mixing; wind pumping; glacial cycles; eddy diffusion. 1. Introduction. Ice core records of trapped gases have been used ...
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The measurements during light winds showed results characteristic of diffusion ... H_2O_2 in Snow, Air and Open Pore Space in Firn at Summit, Greenland ...
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Mar 10, 2008 ... fine grain wind-pack coarse grain hiatus firn. 1 cm. 1 cm. Grain size differences due to accumulation rate are evident in remote sensing images.
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between moving air and the solid firn matrix leads to energy dissipation in the firn that is equivalent to a volumetric heat source. Initial theoretical work on wind ...
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winds. The wind is responsible for displacing the loose snow and firn to create whiteout conditions and for creating severe wind-chill conditions. The katabatic ...
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and while a surface wind pack serves to decrease the flow in underlying firn, significant subsurface flow is still possible. For atmospheric chemistry, diffusion and ...
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12. Chapter 2: Firn Model Modifications . . . . . . . . . . . . . . . . . . . . 15. 2.1 Moving Coordinate System Firn Model . . . . . . . . . . . . . . . . . 15. 2.2 Wind-Pumping .
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Types of snow - Wikipedia, the free encyclopedia
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regional climate model output and a steady-state firn densification model. The modeled near-surface climate (temperature, wind speed, and accumulation) and ...
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