80 SOH Water Vapor 20 os as 7 as os 1 11 12 13 1A 15 16 17 18 19 2 2.1 22 23 24

Question

80 SOH Water Vapor 20 os as 7 as os 1 11 12 13 1A 15 16 17 18 19 2 2.1 22 23 24 25 Wavelength (micrometers) 16. (6 points Let's say you have an aircraft sensor to detect flux at the wavelengths in the previous problem (0.6 and 1.8 pm), but you also suspect that water vapor plays a role in how much flux remains after being reflected by the surface and passing through the atmosphere. Using results in previous problem, calculate the flux detected by your airborne sensor using the graph above. a. Detected flux (Fa) at 0.6 um from lake water (Fa,0.6,lake) b. Fa at 0.6 Hm from invasive water plants d,0.6,inv c. Fa at 0.6 um from native water plants d,0.6,nat d. Fa at 18 um from lake water (Fa18uake) Win e. Fa at 1.8 pm from invasive water plants (Fid,1.8inv) W Int Fa at 18 um from native water plants (F a,1.8,mat) 17. (6 points) County officials have found that local lakes haule nn i lant that turns fish into

Explanation / Answer

Detected flux at the sensor= flux of the reflected wave × transmissivity of the atmosphere containing water vapours

a.detected flux from 0.6mm wavelength from lake = (5% of 1000)×(100%)= 0.05×1000= 50W/m²(as transmissivity of atmosphere containing water vapours for wavelength of 0.6mm is 100%)

b.answer = 80×(100%)= 80W/m².

c.answer= 590×(100%)= 590W/m²

d.answer= 180×(70%)= 126W/m² ( as transmissivity of atmosphere containing water vapours for 1.8mm wavelength light wave is 70%)

e.answer= 880× 0.7= 616W/m².

f.answer= 750× 0.7= 525W/m².

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