![]() A., Narahani Rao, K., and Narasimha, R.: 1981, ‘Atmospheric Boundary Layer Processes during a Total Solar Eclipse’, Fifth Symposium on Turbulence, Diffusion and Air Pollution, Boston, Amer. Sellers, W.D.: 1965, Physical Climatology, Chicago, University of Chicago Press, 272 pp. C., Dalcher, A.: 1986, ‘A Simple Biosphere Model (SiB) for Use within General Circulation Models’, J. J.: 1989, ‘Meteorological and Astronomical Influences on Radar Reflectivity in the Convective Boundary Layer’, J. J.: 1989, ‘A New Land-Surface Scheme for Use in General Circulation Models’, Ph.D. I.: 1976, ‘Urban Terrain Climatology and Remote Sensing’, Ann. I.: 1972, ‘The Development and Application of a Simple Digital Surface Climate Simulation’, J. D.: 1991, ‘Simulation of Surface Urban Heat Islands under “Ideal” Conditions at Night, Part 2: Diagnosis of Causation’, Bound. Morgan, D., Myrup, L., Rogers, D., and Baskett, R.: 1977, ‘Microclimate within an Urban Area’, Ann. T.: 1969, ‘Empirical Relationships Involving Global-Radiation Intensity and Ambient Temperature at Various Latitudes and Altitudes’, Archiv. H.: 1969, ‘Note on Aerodynamic Roughness Parameter Estimation on the Basis of Roughness Element Description’, J. N.: 1981, ‘Thermal Behavior of Urban Landscapes and the Urban Heat Island’, Phys. W.: 1963, ‘The Wind Regime at Tucson and Phoenix and Their Relation to Air Pollution’, J. F.: 1986, ‘Biosphere-Atmosphere Transfer Scheme (BATS) for the NCAR Community Climate Model’, NCAR Technical Note, NCAR/TN-275 + STR, Boulder CO.įrenzel, C. E., Henderson-Sellers, A., Kennedy, P., and Wilson, M. G.: 1987, ‘Heat Enhancement by Longwave Wall Emittance’, Geogr. M.: 1980, ‘Land Use Effects on Temperature and Humidity in the Salt Valley, Arizona’, J. W.: 1989, ‘High-Resolution Night-Time Temperature Patterns in Phoenix’, J. ![]() J.: 1982, ‘An Approach to the Estimation of the Surface Radiative Properties and Radiation Budgets of Cities’, Phys. Opportunities to empirically examine concepts previously testable only through numerical modeling such as solar reduction experiments should continue to be exploited.Īrnfield, A. Because typical albedo differences are not significant between these two land uses, land use characteristics other than albedo are most likely controlling the timing of the temperature minima. (b) Due to the complex mix of land uses and timing of eclipse, marked wind speed changes associated with the eclipse do not appear to be linked directly to land use changes, and, (c) Temperature minima at residential/commercial stations occurred in general, before the minima at stations in agricultural/golf terrains. Variations in thermal response are more closely related to the albedo of the specific land type than to other factors such as thermal admittance but this high correlation is probably an artifact of the combination of other variables such as moisture. Heavily asphalted military sites and irrigated golf courses recorded small decreases in temperature while natural desert terrain experienced the largest decreases. The results include: (a) The magnitude of the change in ambient air temperature during the eclipse is related to land use. Measurements taken from a variety of land use environments in and around the Phoenix AZ metropolitan area were compared to determine the effects of various land use characteristics on the thermal response to a reduction of 68% in solar radiation during the solar eclipse of 11 July 1991. ![]()
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