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446_01c_test3_soln

446_01c_test3_soln - METR 446 Test 3 Name Solution 1(25 pts...

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METR 446 Test # 3 Name: Solution November 13, 2001 1) (25 pts) Assume the ocean is a gray-body with a wavelength-independent absorptance of 0.85. If the temperature of the ocean is 20 o C, at what solar zenith angle will the absorbed solar irradiance be equal to the emitted irradiance? You can neglect absorption or reflection within the atmosphere. o m W K m W o o o in out o in out K E T E T aE T a E E aE E T a T E 0 . 75 1370 ) 293 )( 10 67 . 5 ( cos cos cos cos cos 2 4 2 4 8 1 4 1 4 4 4 4 = × = = Θ = Θ Θ = = Θ = = = σ σ σ σ εσ
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