Research Article
Retrieval of Land Surface Model State Variables through Assimilating Screen Level Humidity and Temperature Measurements
Table 1
Atmospheric model parameter setting.
| Symbol | Meaning | Value |
| | Minimum vertical grid interval | 4 m | | Karman constant | 0.4 | Nz | Number of atmosphere layers () | 80 | B | A coefficient of proportionality, which is used in describing the nonlocal enhancement effects from large-scale eddies to total flux | 7.8 | | Large time step for model integration | 60 s | | Interval for updating radiation process | 1800 s | | Time step for land surface processes | 60 s | | The asymptotic length scale for mixing length (free atmosphere) | 30 m | | Flux mixing depth | 200 m | / | Lower/upper bounding for turbulent eddy coefficients | 0.01/1000.0 | / | Lower/upper turbulent Prandtl number | 0.5/4.0 |
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