搜索结果: 1-15 共查到“水文学 Energy”相关记录23条 . 查询时间(0.233 秒)
Estimating Precipitation Phase using a Psychrometric Energy Balance Method: Tests in a Canadian Rockies Headwaters Catchment
snowfall rainfall, precipitation phase change Canadian Rockies energy balance model
2014/4/3
Precipitation phase is fundamental to catchment hydrological response to precipitation events in
cold regions and is especially variable over time and space in mountains. Phase is controlled by
t...
Implications of mountain shading on calculating energy for snowmelt using unstructured triangular meshes
solar radiation shading mountains triangulated irregular networks unstructured mesh radiation modelling Canadian Rockies
2014/4/3
In many parts of the world, snowmelt energetics is dominated by solar irradiance. This is particularly the case in the Canadian
Rocky Mountains, where clear skies dominate the winter and spring. In m...
Assessing the sources of uncertainty associated with the calculation of rainfall kinetic energy and erosivity – application to the Upper Llobregat Basin, NE Spain
uncertainty associated calculation of rainfall erosivity – application
2011/3/15
The diverse sources of uncertainty associated with the calculation of rainfall kinetic energy and rainfall erosivity, calculated from precipitation data, were investigated at a range of temporal and s...
The Two-layer Surface Energy Balance Parameterization Scheme (TSEBPS) for estimation of land surface heat fluxes
Two-layer Surface Energy Balance Parameterization Scheme (TSEBPS) estimation land surface heat fluxes
2010/4/7
A Two-layer Surface Energy Balance Parameterization Scheme (TSEBPS) is proposed for the estimation of surface heat fluxes using Thermal Infrared (TIR) data over sparsely vegetated surfaces. TSEBPS is ...
The snowmelt at a point is estimated through a simplified energy budget. From
the energy equation a degree-day method is derived. The rate of snowmelt is
found as a constant multiplied by the temper...
The Role of Turbulent Heat Fluxes in the Energy Balance of High Alpine Snow Cover
Turbulent Heat Fluxes Energy Balance High Alpine Snow Cover
2009/10/26
Energy balance measurements over a seasonal snow cover were performed
near Davos, Switzerland at 2,540 m a.s.1. The energy fluxes were studied over
dry and melting snow covers. The beginning of snow...
Energy and Water Balances of a Bog in Central Sweden
Energy and Water Balances Bog Central Sweden
2009/10/23
Fens and bogs represent a considerable part of the boreal forest area of Scandinavia,
but have not received much attention. To understand their role in the water
and energy balances an investigation...
Fluxes of Water and Energy from Three High Latitude Tundra Sites in Svalbard
Fluxes of Water Three High Latitude Tundra Sites Svalbard
2009/10/23
Measurements of the surface fluxes of radiation, heat and water vapour were
made at three tundra sites near N~-Alesund, Svalbard for the active seasons
(June to September) of 1995 and 1996. In 1995 ...
An Energy Budget Approach to Urban Snow Deposit Melt
Energy Budget Approach Urban Snow Deposit Melt
2009/10/23
In urban areas in cold regions snow handling is a significant part of municipal
activity. The snow is usually ploughed off the streets and then transported to a
snow deposit. As a consequence the sn...
An Energy Balance Based HBV- Model with Application to an Arctic Watershed on Svalbard,Spitsbergen
Energy Balance HBV- Model Arctic Watershed
2009/10/22
In several studies of snowmelt using the temperature index method from the original HBV-model, the model fails to predict the timing of the snowmelt and underestimates the intensities on occasions wit...
Mesoscale Circulations and Surface Energy Balance During Snowmelt in a Regional Climate Model
Mesoscale Circulations Surface Energy Balance Regional Climate Model
2009/10/22
The Canadian Regional Climate Model has recently been coupled with an
advanced, second generation land surface model - the Canadian Land Surface
Scheme. In addition, high resolution land cover and s...
MODELING THE EFFECT OF SOIL, VEGETATION TYPE AND DENSITY ON SOIL MOISTURE AND SURFACE ENERGY FLUX
Soil moisture SURFACE ENERGY FLUX atmospheric dynamics
2009/10/12
Soil moisture plays a crucial role in hydrological modeling and land-atmosphere energy balance by controlling the amount of evaporation and thermal heat exchange between the land surface and overlying...
Estimation of actual evapotranspiration of Mediterranean perennial crops by means of remote-sensing based surface energy balance models
evapotranspiration surface energy balance Mediterranean perennial crops
2009/7/22
Actual evapotranspiration from typical Mediterranean crops has been assessed in a Sicilian study area by using surface energy balance (SEB) and soil-water balance models. Both modelling approaches us...
Mosaic versus dual source approaches for modelling the surface energy balance of a semi-arid land
semi-arid land surface energy balance Two-layer parameterisation
2009/5/26
Two-layer parameterisation of the surface energy budget proves to be realistic for sparse but homogeneously distributed vegetation. For semi-arid land surfaces however, sparse vegetation is usually in...
Extension of the Representative Elementary Watershed approach for cold regions via explicit treatment of energy related processes
Representative Elementary Watershed ordinary differential equations
2009/5/15
The paper extends the Representative Elementary Watershed (REW) theory for cold regions through explicit treatment of energy balance equations to include associated processes and process descriptions....