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Unformatted text preview: rn hemisphere. experienced Local Solar Changes Local
Northern Northern hemisphere sunrises are in the southeast during winter, but in the northeast in summer. summer. Summer noon time sun is also higher above the horizon than the winter sun. sun. Figure 3.10 Landscape Solar Response Landscape Figure 3.11 South facing slopes receive greater insolation, providing energy to South melt snow sooner and evaporate more soil moisture. melt North and south slope terrain exposure often trigger differences in plant types and abundance. plant Daytime Warming Daytime Solar radiation heats the Solar atmosphere from below by soil conduction and gas convection. conduction Figure 3.12 Winds create a forced convection Winds of vertical mixing that diminishes steep temperature gradients. steep
Figure 3.13 Temperature Lags Temperature
Earth's surface Earth's temperature is a balance between incoming solar radiation and outgoing terrestrial radiation. terrestrial Peak temperature lags after peak insolation because earth continues to warm until infrared radiation exceeds insolation. insolation.
Figure 3.14 Nighttime Cooling Nighttime Figure...
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- Spring '10