Results 111 to 120 of about 9,399 (159)

The Albedo of Various Surfaces of Ground

Geografiska Annaler, 1925
(1925). The Albedo of Various Surfaces of Ground. Geografiska Annaler: Vol. 7, No. 4, pp. 323-342.
Anders Ångström, Anders Angstrom
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SOLAR UVB‐ALBEDO OF VARIOUS SURFACES

Photochemistry and Photobiology, 1988
Abstract— Measurements of the albedo of various surfaces in open grounds show significant differences for solar UVB radiation and total solar radiation (0.3–3μm). Above grassland, that albedo for solar UVB radiation is significantly smaller than that for total solar radiation (UVB: 1.3%, total: 20.7%); contrary to that, the albedo for UVB radiation is ...
M, Blumthaler, W, Ambach
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Albedo of the Sea Surface

Journal of the Atmospheric Sciences, 1972
Abstract An experimental study of the albedo of the sea surface for shortwave solar radiation has been carried out on a fixed platform. Fifteen-minute totals of upward and downward irradiances were recorded continuously for four months over a wide range of atmospheric and sea conditions.
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Spectral albedo of natural surfaces

pure and applied geophysics, 1964
The short description of the field distance installation for measuring spectral albedo as relation of semi-spherical fluxes of reflected and incoming radiation is made. Data on the measurements of spectral albedo in the wavelength range from 450 to 950 mμ for different natural surfaces are given.
K. Y. Kondratiev, Z. F. Mironova, A. N. Otto   +2 more
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A Global Surface Albedo Model

Journal of Applied Meteorology, 1979
Abstract We have shown in the past that the radiative-convective energy balance atmospheric model used at the General Motors Research Laboratories in our atmospheric physics research is extremely sensitive to the input value of surface albedo used. In response to this we developed a new global model of the surface albedo based on a detailed analysis of
John R. Hummel, Ruth A. Reck
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Annual Cycle of Surface Albedo

Monthly Weather Review, 1980
Abstract Monthly mean surface albedo for the full spectra range of incoming solar radiation and average atmospheric properties is estimated for the period 1 April 1974–31 March 1975. It can be considered approximately representative of average conditions in the last decade.
G. Kukla, D. Robinson
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Parameterization of land surface albedo

Chinese Optics Letters, 2014
Remote measurements of Earth's surface from ground, airborne, and spaceborne instruments show that its albedo is highly variable and is sensitive to solar zenith angle (SZA) and atmospheric opacity. Using a vali­dated radiative transfer calculating toolbox, DISORT and a bidirectional reflectance distribution function library, AMBRALS, a land surface ...
Shengcheng Cui Shengcheng Cui, Zhen Wang Zhen Wang, Shizhi Yang Shizhi Yang   +2 more
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REFLECTANCE AND ALBEDO, SURFACE

2003
‘Albedo’ is Latin, meaning whiteness. The albedo of a surface is the fraction of the incident sunlight that the surface reflects. Radiation that is not reflected is absorbed by the surface. The absorbed energy raises the surface temperature, evaporates water, melts and sublimates snow and ice, and energizes the turbulent heat exchange between the ...
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Diurnal asymmetry in surface albedo

Agricultural and Forest Meteorology, 1998
Observed surface albedos do not always exhibit the classical diurnal symmetry associated with the diurnal variation of zenith angle. Morning/afternoon albedo differences observed in even vegetated terrain are found to range on the daily average from 0.01 to 0.05 in magnitude in this study, and they have been found to be as high as 0.1 at a given solar ...
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Albedo distribution on Io's surface

Icarus, 1979
A visual albedo distribution model for all hemispheres of Io's surface has been synthesized from available earth-based and spacecraft image and photometric data. The resulting model indicates some interesting patterns and symmetries on Io's surface: the dark polar caps are shifted off Io's rotational axis and are elliptical rather than circular in ...
D.B. Nash, T.V. Johnson
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