Surface Energy Balance

Current Weather

Finish Latent Heat

Marine vs. Continental Climates

Surface Energy Balance

For Next Class: Read Chapter 4 (pp. 116-132)

Land–Water Heating Differences  

Figure 5.7

Marine and Continental Climates:Vancouvervs.Winnipeg

Figure 5.12

Figure 5.13

Marine and Continental Climates:San Franciscovs.Wichita

Marine and Continental Climates:Trondheimvs.Verkhoyansk

Figure 5.16

(b)

(c)

(a)

January Temperatures

Figure 5.14

8© AMS

Heat Imbalance: Atmosphere vs. Earth’s Surface

Sensible Heating• The Bowen Ratio compares

how heat at the Earth’s surface is divided between sensible heating and latent heating

Varies from one place to another

Depends on amount of surface moisture

Surface energy budget through the course of a year

Daily Radiation Curves

Figure 4.14

Surface Energy Budget

Figure 4.15

Albedo

Figure 4.5

Simplified Surface Energy Balance

NET R =

+SW (insolation)

–SW (reflection)

+LW (infrared)

–LW (infrared)

Figure 4.16

Global NET R

Figure 4.17

Radiation Budgets

Figure 4.20

El Mirage, CA

Pitt Meadows,BC