SNOW TEMPERATURES
نویسندگان
چکیده
منابع مشابه
Ground Temperatures under Ski Pistes with Artificial and Natural Snow
Increasing production of artificial snow in ski resorts is controversially discussed, but only few investigations have been carried out systematically to specify the environmental impacts. We measured snow depth and density from groomed ski pistes (runs) with compacted snow and their effects on ground temperatures and timing of snowmelt. We analyzed groomed pistes with and without artificial sn...
متن کاملExponential growth of ‘‘snow molds’’ at sub-zero temperatures: an explanation for high beneath-snow respiration rates and Q10 values
Numerous studies have demonstrated exceptionally high temperature sensitivity of the beneath-snow respiratory flux in cold-winter ecosystems. The most common, but still untested, explanation for this high sensitivity is a physical one based on the observation that water availability in soils increases exponentially as soils warm from -3 to 0 C. Here, we present evidence for a biological hypothe...
متن کاملA New Operational Snow Retrieval Algorithm Applied to Historical AMSR-E Brightness Temperatures
Snow is a key element of the water and energy cycles and the knowledge of spatio-temporal distribution of snow depth and snow water equivalent (SWE) is fundamental for hydrological and climatological applications. SWE and snow depth estimates can be obtained from spaceborne microwave brightness temperatures at global scale and high temporal resolution (daily). In this regard, the data recorded ...
متن کاملTemperatures, heating rates and vapour pressures in near-surface snow at the South Pole
A finite-volume model is used to simulate 9 years (1995–2003) of snow temperatures at the South Pole. The upper boundary condition is skin-surface temperature derived from routine upwelling longwave radiation measurements, while the lower boundary condition is set to the seasonal temperature gradient at 6.5m depth, taken from prior measurements at the South Pole. We focus on statistics of tempe...
متن کاملThe effect of snow: How to better model ground surface temperatures
Article history: Received 2 August 2013 Accepted 25 February 2014 Available online 11 March 2014
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ژورنال
عنوان ژورنال: Monthly Weather Review
سال: 1899
ISSN: 0027-0644,1520-0493
DOI: 10.1175/1520-0493(1899)27[55:st]2.0.co;2