Results 71 to 80 of about 630,827 (291)

Snow specific surface area simulation using the one-layer snow model in the Canadian LAnd Surface Scheme (CLASS) [PDF]

open access: yesThe Cryosphere, 2013
Snow grain size is a key parameter for modeling microwave snow emission properties and the surface energy balance because of its influence on the snow albedo, thermal conductivity and diffusivity. A model of the specific surface area (SSA) of snow was
A. Roy   +4 more
doaj   +1 more source

Point release wet snow avalanches

open access: yes, 2015
Abstract. Wet snow avalanches can initiate from large fracture slabs or small point releases. Point release wet snow avalanches can reach dangerous proportions when they (1) initiate on steep and long avalanche paths and (2) entrain warm moist snow. In this paper we investigate the dynamics of point release wet snow avalanches by applying a numerical ...
C. Vera Valero, Y. Bühler, P. Bartelt
openaire   +2 more sources

Intercomparison of snow density measurements: bias, precision, and vertical resolution [PDF]

open access: yes, 2016
Density is a fundamental property of porous media such as snow. A wide range of snow properties and physical processes are linked to density, but few studies have addressed the uncertainty in snow density measurements.
C. Fierz   +7 more
core   +2 more sources

Increase in plant productivity in the tundra in Sweden is not related to increasing presence of warm‐adapted vascular plant species

open access: yesEcography, EarlyView.
Over the past decades, Arctic and alpine biomes have warmed faster than the global average. Substantial vegetation changes have been reported as a response to this warming, including increased productivity and the spread of warm‐adapted (thermophilic) species that are less resistant to grazing pressure into higher latitudes and altitudes.
Tim Horstkotte   +4 more
wiley   +1 more source

MONITORING OF WET SNOW AND ACCUMULATIONS AT HIGH ALPINE GLACIERS USING RADAR TECHNOLOGIES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Conventional studies to assess the annual mass balance for glaciers rely on single point observations in combination with model and interpolation approaches. Just recently, airborne and spaceborne data is used to support such mass balance determinations.
A. Wendleder   +3 more
doaj   +1 more source

Wet-snow fraction measured in layered snow during infiltration experiments in a cold laboratory

open access: yes, 2017
Wet-snow fraction measured in layered snow during infiltration experiments in a cold ...
Avanzi, Francesco   +5 more
core   +1 more source

SNOWMIP2: An evaluation of forest snow process simulation [PDF]

open access: yes, 2009
The Northern Hemisphere has large areas that are forested and seasonally snow covered. Compared with open areas, forest canopies strongly influence interactions between the atmosphere and snow on the ground by sheltering the snow from wind and solar ...
Essery, Richard   +19 more
core   +1 more source

Microclimate mediates the strength and direction of avian biotic interactions

open access: yesEcography, EarlyView.
Theory predicts that the strength and direction of species interactions can shift from being competitive in benign environments toward being facilitative in stressful environments. However, the environmental context dependency of species interactions has rarely been tested in animal communities.
Sarah J. K. Frey   +6 more
wiley   +1 more source

Investigating the dynamics of bulk snow density in dry and wet conditions using a one-dimensional model [PDF]

open access: yesThe Cryosphere, 2013
The snowpack is a complicated multiphase mixture with mechanical, hydraulic, and thermal properties highly variable during the year in response to climatic forcings.
C. De Michele   +3 more
doaj   +1 more source

Micrometeorological processes driving snow ablation in an Alpine catchment [PDF]

open access: yes, 2011
Mountain snow covers typically become patchy over the course of a melting season. The snow pattern during melt is mainly governed by the end of winter snow depth distribution and the local energy balance.
C. Manes   +15 more
core   +2 more sources

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