Size and albedo
Retrieval of snow grain size and albedo of western Himalayan snow cover using satellite data
... grain size, albedo, snow pollution (contamination by soot, soil, ...grain size, albedo, snow surface temper- ature, ...grain size and albedo using various techniques for dif- ...
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TNOs are cool: a survey of the trans-Neptunian region: XIV. Size/albedo characterization of the Haumea family observed with Herschel and Spitzer
... Nevertheless, some remarks about minimum sampling for detections can be made. Supposing that the correlation between effective diameters and geometric albedos among the Haumea family was ρ = 0.9, given our error bars and ...
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Case study of spatial and temporal variability of snow cover, grain size, albedo and radiative forcing in the Sierra Nevada and Rocky Mountain snowpack derived from imaging spectroscopy
... Snow albedo, itself controlled by impurity content and grain size, is par- ticularly relevant for understanding melt initiation and melt ...snow albedo only occur at six snow energy balance sites ...
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Dominance of grain size impacts on seasonal snow albedo at deforested sites in New Hampshire
... model albedo above 1 at very low ...Additionally, albedo can only be best parameterized this way when impurities do not play a sig- ni fi cant role, as we have shown in our analysis of New Hampshire ...on ...
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Sensitivity of cloud albedo to aerosol concentration and spectral dispersion of cloud droplet size distribution
... droplet size distribution (spectral dispersion) on a regional scale can modify the cloud ...aerosol size distributions were used to describe two aerosol types: marine and ...cloud albedo taking into ...
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Retrieval of snow albedo and grain size using reflectance measurements in Himalayan basin
... snow albedo and effective grain ...spherical albedo. The re- trieved plane albedo was compared with the measured spec- tral albedo and a good agreement was observed with ± 10% ...integrated ...
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Measurements and modelling of snow particle size and shortwave infrared albedo over a melting Antarctic ice sheet
... The albedo of a snowpack depends on the single- scattering properties of individual snow crystals, which have a variety of shapes and sizes, and are often bounded in clus- ...the size distribution of a snow ...
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A predictive model for the spectral bioalbedo of snow
... broadband albedo by fi xing pigment concentra- tions, snow physics, and ...cell size upon albedo was thereby calculated for cell dia- meters between 1 and 40 μ ...cell size and albedo is ...
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Aerosol Optical Properties at Four Sites in Thailand
... This paper presents column integrated aerosol optical properties including aerosol optical depth (AOD), Angstrom wavelength exponent (), single scattering albedo (SSA), and size distribution from ...
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Effects of snow grain shape on climate simulations: sensitivity tests with the Norwegian Earth System Model
... snow albedo in the Snow, Ice, and Aerosol Radiation (SNICAR) model and in the Los Alamos sea ice model, version 4 (CICE4), both of which are employed in the Community Earth System Model and in the Norwegian Earth ...
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A simple model for predicting snow albedo decay using observations from the Community Collaborative Rain, Hail, and Snow-Albedo (CoCoRAHS-Albedo) Network
... snow albedo decay over time are analyzed separately in optically deep and optically shallow ...surface albedo of optically shallow snow is influenced by the substrate albedo in addition to snow ...
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On the importance of the albedo parameterization for the mass balance of the Greenland ice sheet in EC-Earth
... high albedo of snow most of the incoming shortwave radiation is reflected back into ...snow albedo evolution exerts a strong control on the ice-sheet SEB, and thus on the ...snow albedo over ice ...
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Reflective properties of white sea ice and snow
... grain size significantly larger than the wavelength of incident ...(BRF), albedo at direct incidence (the directional– hemispherical reflectance), and albedo at diffuse incidence (the bihemispherical ...
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Influence of spatial heterogeneity of local surface albedo on the area-averaged surface albedo retrieved from airborne irradiance measurements
... surface albedo are the dominant factors determining this ...cell size of homogeneous surfaces and a slope parameter was ...surface albedo and its areal mean ...surface albedo distri- bution ...
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Atmospheric effect on the ground-based measurements of broadband surface albedo
... Eq. (1). The required reflectance spectra were directly de- rived from the USGS Spectroscopy Lab data base (Clark et al., 2007). Then only the BRDF was needed to obtain the surface albedo estimate. At this stage ...
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Evaluation of MODIS Albedo Product over Ice Caps in Iceland and Impact of Volcanic Eruptions on Their Albedo
... Landsat albedo was sampled for each selected pair of AWS site and Landsat ...approximate size of a MODIS pixel (500 m x 500 ...effective size of a MODIS pixel can be larger than 500 m depending on ...
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Retrieval of snow properties from the Sentinel-3 Ocean and Land Colour Instrument
... broadband albedo, snow specific surface area, snow extent and grain size on the spatial grid of ...spectral albedo retrieved with accuracy of better than 3% on average, making our retrievals ...
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Regional melt-pond fraction and albedo of thin Arctic first-year drift ice in late summer
... The relatively small spatial scale of a typical pond system, typically few tens to thousands of m 2 (e.g., Tschudi et al., 2001; Perovich et al., 2002b; Hohenegger et al., 2012), large intersite variability in melt-pond ...
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Snow spectral albedo at Summit, Greenland: measurements and numerical simulations based on physical and chemical properties of the snowpack
... spectral albedo, snow grain size, soot concentra- tion and soot size ...grain size in the field in a precise and objective ...grain size and grain shape were subjectively determined ...
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Albedo of the ice covered Weddell and Bellingshausen Seas
... the albedo in the sea ice ...complex albedo parameterization. In fact, very often the albedo parameterizations in numerical models are relatively simple and assume a constant value for a model grid ...
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