منابع مشابه
Optimal Spectral Topography and Its Effect on Model Climate
Gibbs oscillations in the truncated spectral representation of the earth's topography are strongly reduced by determining its spectral coefficients as a minimum of a nonuniformly weighted, nonquadratic cost function. The cost function penalizes the difference between spectral and true topography with weights that are explicit functions of the topographic height and its gradient. The sensitivity...
متن کاملLocal atmospheric decoupling in complex topography alters climate change impacts
Cold air drainage and pooling occur in many mountain valleys, especially at night and during winter. Local climate regimes associated with frequent cold air pooling have substantial impacts on species phenology, distribution and diversity. However, little is known about how the degree and frequency of cold air drainage and pooling will respond to a changing climate. Evidence suggests that, beca...
متن کاملInfluence of current climate, historical climate stability and topography on species richness and endemism in Mesoamerican geophyte plants
BACKGROUND A number of biotic and abiotic factors have been proposed as drivers of geographic variation in species richness. As biotic elements, inter-specific interactions are the most widely recognized. Among abiotic factors, in particular for plants, climate and topographic variables as well as their historical variation have been correlated with species richness and endemism. In this study,...
متن کاملClimate and topography control the size and flux of sediment produced on steep mountain slopes.
Weathering on mountain slopes converts rock to sediment that erodes into channels and thus provides streams with tools for incision into bedrock. Both the size and flux of sediment from slopes can influence channel incision, making sediment production and erosion central to the interplay of climate and tectonics in landscape evolution. Although erosion rates are commonly measured using cosmogen...
متن کاملGeographic Considerations for Fire Management: Geomorphology, Topography, Soils, and Climate of the Eastern U.S
Across the eastern US, there is on average an estimated 36 Mg ha of dead woody fuel (Chojnacky et al. 2004). Variation in fuel type, size, and flammability across the region makes selection of treatment options critical for effective fuels management. The eastern U.S. is a complex landscape characterized by highly fragmented forests, large areas of wildland urban interface, and vast differences...
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ژورنال
عنوان ژورنال: Journal of Agricultural Meteorology
سال: 1954
ISSN: 0021-8588,1881-0136
DOI: 10.2480/agrmet.9.72