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MOSAIC
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The volumetric soil moisture at one model layer is simply the total
soil water content in that layer divided by the layer thickness, 100 mm and 300 mm respectively.
The Illinois stations have only
soil moisture available. Since the observations are total water content at 11 layers from the surface down to
2 m (0-10,10-30, 30-50, 50-70, 70-90, 90-110, 110-130, 130-150, 150-170, 170-190, 190-200).
The observations at Illinois stations are vertically intergrated to match the model layers. For example,
the second model layer (10-40 cm) is compared with values derived from
observations at 10-30 cm and 30-50 cm, simply V(10-30)+V(30-50)*0.5.
Observations at ARM/CART SWATS stations are at 8 depths (5,15,25,35,60,85,125,175cm). To compare with the model, values at 5 cm is used
as equivalent to model layer 1, averages of 15,25 and 35 cm are used as equivalent to model layer 2.
At most of the Oklahoma Mesonet stations, the precipitation from LDAS forcing agree well with the local observed precipitation.
Model soil temperature depth unknown.
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The plots include observations from ARM/CART Extended Facilities with EBBR instruments as well as SIRS instruments.
The surface net shortwave radiation is over-estimated at some ARM/CART sites.
IMPORTANT UPDATE: When averaging over all available stations, model values are averaged only when observations are also available.
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AVSFT(grib # 138) from the model output is used here.
All three panels in one plot have the same sample size.
Once GOES or ARM/CART observations are missing, the respective values from model output are ignored.
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