Evaluating Impacts of Urbanization on the Sonoran Desert Ecosystem

Table 2

Radiative Surface Temperatures (10:00 A.M.) and Areal Coverage June 24, 1992, Phoenix Arizona

(from Lougeay et al. 1996)

Unclassified
Surface Type Surface
Temp		 Minimum
Temp		 Maximum
Temp		 Standard
Deviation		 Area
km2		 % of
scene** Deg. C* Deg. C* Deg. C* Deg. C*    
Water 30.07 22 35 1.58 6 0.2
Irrigated Ag. 31.54 26 36 1.43 210 5
Irrigated Res. 37.90 35 40 1.35 331 7
Dry Res. 43.64 42 45 0.89 468 11
Commercial 44.41 41 47 1.72 935 21
Desert 47.18 33 53 2.20 595 13
Barren 45.41 42 48 1.26 140 3
— — — — 1760 40  

* Surface Temperatures (adjusted for emissivity) extracted from Landsat Thermic mapper band 6.

** Total imaged area of Metropolitan Phoenix equals 4446 square kilometers.

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