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ALEXI Regional Fluxes
for the SMEX 2002 Domain
The Soil Moisture 2002 Field Experiment was conducted 12 June to 15 July 2002 in the state of Iowa. In continuing support of this field experiment, the ALEXI model is being run daily over the SMEX02 domain at a horizontal resolution of 5km; output flux predictions for the previous day are typically available by 04 UTC.
Input data fields of temperature, pressure, and atmospheric moisture are generated through analyses of hourly weather data (i.e. the METARs), and the CIMSS Regional Assimilation System (CRAS) forecast model. Fractional vegetation cover is estimated from the USGS EROS AVHRR 1km bi-weekly NDVI product. All radiometric data (longwave, shortwave and thermal) are from the GOES-08 Imager instrument. Cloud detection fields are produced by the NOAA Advanced Products Team within CIMSS at UW-Madison.
This portion of the ALEXI project at the University of Wisconsin-Madison (UW) is funded by grants from NASA, NOAA and the USDA.
ALEXI model fields:
- View ALEXI Image Generator (12 June - 15 July 2002 available)
- View ALEXI Image Generator (using MODIS LAI) (12 June - 15 July 2002 available)
- Regional domain only
Latent heat - precipitation comparisons:
Flux climatology:
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