3. Calculate the daily free-water evaporation via the mass-transfer, energy-balance, Bowen ratio, combination, and evaporation-pan methods and compare the results with the evaporation given by the lake water balance, which is thought to provide an accurate value for this lake. Lake area = 9.4 km². Daily Average values T (2 m) (°C) P (kPa) u (2 m) (m/s) Tspon (°C) 27.5 T; (°C) RH (2 m) Upan (m/s) 27.2 26.9 0.69 97.3 5.81 2.79 Daily Total values Kin (MJ/m²-day) Lin (MJ/m²-day) Water-balance Class-A Pan a Evaporation (mm) Evaporation (mm) 30.6 0.052 34.4 5.58 12.4

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Calculate the daily free-water evaporation via the mass-transfer, energy-balance, combination, and evaporation-pan methods and compare the results with the evaporation given by the lake water balance, which is thought to provide an accurate value for this lake. Lake area = 9.4 km2.

Please indicate what equations are used.

3. Calculate the daily free-water evaporation via the mass-transfer, energy-balance, Bowen
ratio, combination, and evaporation-pan methods and compare the results with the
evaporation given by the lake water balance, which is thought to provide an accurate
value for this lake. Lake area = 9.4 km?.
Daily Average values
T (2 m) (°C)
T; (°C)
RH (2 m)
P (kPa)
u (2 m) (m/s)
Tspon (°C)
Upan (m/s)
27.2
26.9
0.69
97.3
5.81
27.5
2.79
Daily Total values
Kin (MJ/m²-day)
Lin (MJ/m²-day)
Water-balance
Class-A Pan
a
Evaporation (mm)
Evaporation (mm)
30.6
0.052
34.4
5.58
12.4
Transcribed Image Text:3. Calculate the daily free-water evaporation via the mass-transfer, energy-balance, Bowen ratio, combination, and evaporation-pan methods and compare the results with the evaporation given by the lake water balance, which is thought to provide an accurate value for this lake. Lake area = 9.4 km?. Daily Average values T (2 m) (°C) T; (°C) RH (2 m) P (kPa) u (2 m) (m/s) Tspon (°C) Upan (m/s) 27.2 26.9 0.69 97.3 5.81 27.5 2.79 Daily Total values Kin (MJ/m²-day) Lin (MJ/m²-day) Water-balance Class-A Pan a Evaporation (mm) Evaporation (mm) 30.6 0.052 34.4 5.58 12.4
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