Show simple item record Essery, Richard Pomeroy, John W. 2006-09-19T20:18:28Z 2006-09-19T20:18:28Z 2004
dc.identifier.citation Essery , R & Pomeroy , J W 2004 , ' Vegetation and Topographic Control of Wind-blown Snow Distributions in Distributed and Aggregated Simulations for an Arctic Tundra Basin ' Journal of Hydrometeorology , pp. 735-744 . en
dc.identifier.issn 1525-755X
dc.identifier.other PURE: 71289
dc.identifier.other PURE UUID: 6c4c788e-16ed-4fad-8f59-26d674c6fd74
dc.identifier.other dspace: 2160/275
dc.identifier.other DSpace_20121128.csv: row: 219
dc.identifier.other Scopus: 9444236700
dc.description Essery, RLH & JW, Pomeroy, (2004). Vegetation and topographic control of wind-blown snow distributions in distributed and aggregated simulations. Journal of Hydrometeorology, 5, 735-744. en
dc.description.abstract A fine-scale model of blowing snow is used to simulate the characteristics of snowcover in a low-Arctic catchment with moderate topography and partial shrub cover. The influence of changing shrub characteristics is investigated by performing a sequence of simulations with varying shrub heights and coverage. Increasing shrub height gives an increase in snow depth within the shrub-covered areas, up to a limit determined by the supply of falling and blowing snow, but increasing shrub coverage gives a decrease in snow depths within shrubs as the supply of blowing snow imported from open areas is reduced. A simulation of snow redistribution over the existing topography without any shrub cover gives much greater accumulations of snow on slopes in the lee of the prevailing wind than on windward slopes; in contrast, shrubs are able to trap snow on both lee and windward slopes. A spatially aggregated, or tiled, model is developed in which snow is relocated by wind transport from sparsely vegetated tiles to more densely vegetated tiles. The vegetation distribution is not specified, but the simulation is parametrized using average fetch lengths along the major transport axis. The aggregated model is found to be capable of matching the average snow accumulation in shrub and open areas predicted by the distributed model reasonably well but with much less computational cost. en
dc.format.extent 10 en
dc.language.iso eng
dc.relation.ispartof Journal of Hydrometeorology en
dc.rights en
dc.title Vegetation and Topographic Control of Wind-blown Snow Distributions in Distributed and Aggregated Simulations for an Arctic Tundra Basin en
dc.type /dk/atira/pure/researchoutput/researchoutputtypes/contributiontojournal/article en
dc.contributor.institution Centre for Glaciology en
dc.contributor.institution Department of Geography and Earth Sciences en
dc.description.status Peer reviewed en

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