A light breeze at 2.2 m/s blows across a standard evaporation pan. The atmospheric conditions are 20oC

Question:

A light breeze at 2.2 m/s blows across a standard evaporation pan. The atmospheric conditions are 20oC and 40 percent relative humidity. What is the evaporation rate for a land pan in grams per hour per square meter? What would be the evaporation rate for zero velocity?