Table 4. CLASP vs. FIFE for 1987 Calibration Period. All fluxes were subjected to a 31-day running average before computing values below. Cloud cover was subjected to a 5-day running average due to gaps in observations. Precipitation was not averaged.

 

Comparison Period (Julian Days)

 

Observation

Mean

FIFE-CLASP Mean

 

Observation

SDEV

FIFE-CLASP SDEV

Latent Heat

[W-m-2]

162 — 274

 

113

+ 3

 

22

5

Precipitation

[mm-day-1]

121 — 364

 

2.5

- 0.04

 

8.2

7.7

Cloud Cover

[%]

149 - 235,

260 - 287

 

30

- 0.3

 

18

10

Sensible Heat

[W-m-2]

162 — 274

 

25

- 1

 

9

6

Incident Solar

[W-m-2]

136 — 349

 

210

+ 4

 

83

21

Downward Infrared

[W-m-2]

157 — 349

 

340

+ 3

 

48

9

Heat Flux into Soil

[W-m-2]

172 - 274

 

- 5

+ 6

 

6

7