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RISVegetation and Topographic Control of Wind-Blown Snow Distributions in Distributed and Aggregated Simulations for an Arctic Tundra Basin
Publisher: American Meteorological Society
Abstract: A finescale model of blowing snow is used to simulate the characteristics of snow cover in a low-Arctic catchment with moderate topography and partial shrub cover. The influence of changing shrub characteristics is ...
Sublimation of Snow from Coniferous Forests in a Climate Model
Publisher: American Meteorological Society
Abstract: Improved representations of snow interception by coniferous forest canopies and sublimation of intercepted snow are implemented in a land surface model. Driven with meteorological observations from forested sites in Canada, ...
The Influence of Land Use Change on Climate in the Sahel
Publisher: American Meteorological Society
Abstract: A number of general circulation model (GCM) experiments have shown that changes in vegetation in the Sahel can cause substantial reductions in rainfall. In some studies, the climate sensitivity is large enough to trigger ...
A Sensitivity Study of Daytime Net Radiation during Snowmelt to Forest Canopy and Atmospheric Conditions
Publisher: American Meteorological Society
Abstract: This study investigates the dependence of net radiation at snow surfaces under forest canopies on the overlying canopy density. The daily sum of positive values of net radiation is used as an index of the snowmelt rate. ...
SNOWMIP2: An Evaluation of Forest Snow Process Simulations
Publisher: American Meteorological Society
Abstract: 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 ...
Snow Cover and Snow Mass Intercomparisons of General Circulation Models and Remotely Sensed Datasets
Publisher: American Meteorological Society
Abstract: Confirmation of the ability of general circulation models (GCMs) to accurately represent snow cover and snow mass distributions is vital for climate studies. There must be a high degree of confidence that what is being ...
Radiative Transfer Modeling of a Coniferous Canopy Characterized by Airborne Remote Sensing
Publisher: American Meteorological Society
Abstract: Solar radiation beneath a forest canopy can have large spatial variations, but this is frequently neglected in radiative transfer models for large-scale applications. To explicitly model spatial variations in subcanopy ...
Spatial Variability of Shortwave Irradiance for Snowmelt in Forests
Publisher: American Meteorological Society
Abstract: The spatial variation of melt energy can influence snow cover depletion rates and in turn be influenced by the spatial variability of shortwave irradiance to snow. The spatial variability of shortwave irradiance during ...
Slippery Slopes: Gaining Traction in the Complex Process of Snow Model Intercomparison
Publisher: American Meteorological Society
Scientific and human errors in a snow model intercomparison
Publisher: American Meteorological Society
Abstract: The latest snow model intercomparison identified the same modelling issues as previous iterations over 23 years. Lack of new insights are attributed partly to human errors and intercomparison projects design.Twenty-seven ...