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J. Dozier, D. Marks (1987)
Snow Mapping and Classification from Landsat Thematic Mapper DataAnnals of Glaciology, 9
Dozier Dozier, Frew Frew (1989)
Rapid calculation of terrain parameters for radiation modelling from digital elevation dataProc. Int. Geosci. Remote Sens. Symp.
M. Oliver, R. Webster (1986)
Semi‐variograms for modelling the spatial pattern of landform and soil propertiesEarth Surface Processes and Landforms, 11
W. Meador, W. Weaver (1980)
Two-Stream Approximations to Radiative Transfer in Planetary Atmospheres: A Unified Description of Existing Methods and a New ImprovementJournal of the Atmospheric Sciences, 37
P. Holland (1975)
Vegetational responses to latitudinal variations in slope angle and aspectJournal of Biogeography, 2
J. Kirkpatrick, M. Nuñez (1980)
Vegetation-radiation relationships in mountainous terrain: eucalypt-dominated vegetation in the Risdon Hills, TasmaniaJournal of Biogeography, 7
J. Dozier, J. Bruno, P. Downey (1981)
A faster solution to the horizon problemComputers & Geosciences, 7
Dozier Dozier, Outcalt Outcalt (1979)
An approach toward energy balance simulation over rugged terrainGeogr. Anal.
Irons Irons, Ranson Ranson, Daughtry Daughtry (1988)
Estimating big bluestem albedo from directional reflectance measurementsRemote Sens. Environ.
L. Williams, R. Barry, J. Andrews (1972)
Application of Computed Global Radiation for Areas of High ReliefJournal of Applied Meteorology, 11
J. Dozier, J. Frew (1989)
Rapid Calculation Of Terrain Parameters For Radiation Modeling From Digital Elevation Data12th Canadian Symposium on Remote Sensing Geoscience and Remote Sensing Symposium,, 3
Asrar (1988)
159Remote Sens. Environ.
(1980)
Spectral analysis of terrain relief for the accuracy estimation of digital terrain models
G. Asrar, R. Weiser, D. Johnson, E. Kanemasu, J. Killeen (1986)
Distinguishing among tallgrass prairie cover types from measurements of multispectral reflectanceRemote Sensing of Environment, 19
R. Dubayah, J. Dozier, F. Davis (1989)
The Distribution Of Clear-sky Radiation Over Varying Terrain12th Canadian Symposium on Remote Sensing Geoscience and Remote Sensing Symposium,, 2
F. Kneizys, E. Shettle, L. Abreu, J. Chetwynd, G. Anderson (1988)
Users Guide to LOWTRAN 7
Caceci Caceci, Cacheris Cacheris (1984)
Fitting curves to dataByte
J. Dozier (1980)
A clear‐sky spectral solar radiation model for snow‐covered mountainous terrainWater Resources Research, 16
Dubayah Dubayah, Dozier Dozier, Davis Davis (1989)
The distribution of clear‐sky radiation over varying terrainProc. Int. Geosci. Remote Sens. Symp.
H. Nussenzveig, W. Wiscombe (1980)
Efficiency factors in Mie scatteringPhysical Review Letters, 45
P. Sellers, F. Hall, G. Asrar, D. Strebel, R. Murphy (1988)
The First ISLSCP Field Experiment (FIFE)Bulletin of the American Meteorological Society, 69
This research analyzes the topographic distribution of clear‐sky incoming solar radiation over the tallgrass Konza Prairie, site of FIFE, the First ISLSCP (International Satellite Land Surface Climatology Program) Field Experiment. Using a two‐stream atmospheric radiation model and digital elevation grids of 25‐, 50‐, and 100‐m grid spacing, clear‐sky radiation is simulated throughout the day for three dates: December 15, March 15, and June 15. Geostatistical analysis is used to characterize the spatial and temporal variability in modeled radiation at each grid spacing. The variance and spatial autocorrelation of simulated incoming radiation depend on Sun angle and elevation grid spacing. The behavior of the variance as a function of Sun angle, optical depth, and mean terrain slope can be explained by considering direct radiation variability on a simplified terrain model of uniform albedo where slopes are equal and azimuths are distributed uniformly in all directions. For this constant‐slope model it can be shown analytically that the solar zenith angle at which variance is maximized is a function of optical depth only and is independent of elevation, slope, and aspect. Results from the two‐stream simulations support this conclusion and suggest its applicability to real terrain.
Water Resources Research – Wiley
Published: Apr 1, 1990
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