The following measurements were made over a lake Incoming

Last updated: 6/10/2023

The following measurements were made over a lake Incoming shortwave radiations R 400 Wm surface albedo a 0 25 air temperature T 15 C lake surface temperature T 20 C relative humidia RH 70 a Find the net radiation at the surface of the lake What is the dew point temperature of the air Useful Data TABLE 3 1 TYPICAL BROADBAND EMISSIVITY FOR VARYING LAND SURFACE TYPES FROM ARYA 2001 SURFACE TYPE Water Snow old Snow fresh Ice Bare soil Grass long 1 m Grass short 0 02 m Agricultural crops Forests EMISSIVITY 0 92 0 97 0 82 0 89 0 90 0 99 0 92 0 97 0 84 0 97 0 90 0 95 0 90 0 99 0 97 0 99