نتایج جستجو برای: snowmelt

تعداد نتایج: 1720  

Journal: :Arctic, Antarctic, and Alpine Research 2021

We studied abundance, diversity, and composition of soil invertebrates along snowmelt gradients to generally understand how animal communities are responding life conditions across snowbeds a west–east transect the European Alps create reference inventory for future investigations climate change effects on snowbed habitats. extracted microarthropods (collembolans, oribatid mites) macroinvertebr...

2004
Klaus Seidel Jaroslav Martinec

Based on periodical snow cover mapping by NOAA satellites, contributions to runoff from seasonal snow cover, intermittent snowfalls and rain are evaluated in relation to the altitude in the basins of the rivers Ganges (917 444 km) and Brahmaputra (547 346 km) in an altitude range from 0 to 8848 m a.s.l. In spite of insufficient precipitation and temperature data, runoff was simulated with an ac...

Journal: :Hydrology and Earth System Sciences 2022

Abstract. Snow represents the largest potential source of water for thermokarst lakes, but runoff generated by snowmelt (freshet) can flow beneath lake ice and via outlet without mixing with replacing pre-snowmelt water. Although this phenomenon, called “snowmelt bypass”, is common in ice-covered it unknown which watershed properties cause variation bypass among lakes. Understanding variability...

Journal: :Int. J. Applied Earth Observation and Geoinformation 2017
Caitriana M. Steele John Dialesandro Darren James Emile Elias Albert Rango Max Bleiweiss

Snow-covered area (SCA) is a key variable in the Snowmelt-Runoff Model (SRM) and in other models for simulating discharge from snowmelt. Landsat Thematic Mapper (TM), Enhanced Thematic Mapper (ETM + ) or Operational Land Imager (OLI) provide remotely sensed data at an appropriate spatial resolution for mapping SCA in small headwater basins, but the temporal resolution of the data is low and may...

Journal: :Journal of Hydrology: Regional Studies 2021

The Kaidu River Basin (KRB) is located on the central southern slope of Tianshan Mountain in Northwest China. This work aimed to assess changes and main drivers snowmelt-driven runoff KRB associated with three future climate scenarios. Six versions "Cemaneige" snowmelt module embedded hydrological model "GR4J" were calibrated evaluated. bias-corrected datasets from CMIP5 Models used drive optim...

2011
H. LISSNER M. WEHRER E. OHTANI

Large amounts of the deicing chemicals (DIC) propylene glycol (PG) and formate are spread for removal of snow and ice on the aircrafts and airfields every winter. A considerable amount of these chemicals are carried into surrounding areas, where they mix with snow and infiltrate in the soil during snowmelt. Even though DIC are easily degradable, the high mobility and the high biological oxygen ...

2014
Parviz Rezaei

Original scientific paper Determining snowmelt runoff share of watershed basins with snow and wet snow regimes is one of the main concerns of the experts in water resources field, assessment of which has been done so far with difficulties and high rate of error due to lack of snow survey and weather stations in highlands of basin and use of traditional surveying methods. Lack of integrated mana...

2003
Shirley Clark

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2006
Shirley Clark

........................................................................................................................................................................ 4 Introduction.................................................................................................................................................................... 6 Characterization .................................

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