EARTHSC 2C03 Lecture Notes - Lecture 18: Emissivity, Shortwave Radiation, Thermal Energy Storage
15 Feb 2017
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178 (cid:131) primary water inputs to the system are rain, snow, fog, dew and frost from the atmosphere, and to a lesser extent soil water rising from below. Figure 4. 9 are via deep drainage to the water table, and evapotranspiration to the atmosphere. 179 (cid:131) the evaporative flux is sustained by depleting all of the four water stores: The soil losses may either originate from surface puddles, or from soil layers near the surface. The exterior vegetation losses occur from surfaces wetted by precipitation interception and condensation. 180 (cid:131) the key resistance to water loss from vegetation (when canopy is not wet) is that of the stomata. Monteith 1965b proposed the use of a single canopy (or surface) resistance (rc) to characterize the physiological control of water loss by a plant community: (cid:32) r c (cid:85) v (cid:85) (cid:16) v. Typical values of rc and ra are given in table 4. 2.
