dataset : SMEX03 Vegetation Data: Alabama

National Snow & Ice Data Center Distributed Active Archive Center


SMEX03 Vegetation Data: Alabama

This data set includes data collected over the Soil Moisture Experiment 2003 (SMEX03) area of northern Alabama, USA between 22 June and 1 July 2003. The parameters measured were plant height, plant stand density, phenology, wet biomass, dry biomass, row spacing, and row direction. Data were collected at crop, pasture, and forested sites. Those sites are part of the Alabama MesoNet (ALMNet), which is run by Alabama A&M University's Center for Hydrology, Soil Climatology and Remote Sensing (HSCaRS). Data are provided in an ASCII text file and a Microsoft Excel spreadsheet, and are available via FTP. These data were collected as part of a validation study for the Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E). AMSR-E is a mission instrument launched aboard NASA's Aqua Satellite on 04 May 2002. AMSR-E validation studies linked to SMEX are designed to evaluate the accuracy of AMSR-E soil moisture data. Specific validation objectives include assessing and refining soil moisture algorithm performance; verifying soil moisture estimation accuracy; investigating the effects of vegetation, surface temperature, topography, and soil texture on soil moisture accuracy; and determining the regions that are useful for AMSR-E soil moisture measurements.

Identified by : NSIDC-0348

This dataset was released on September 24, 2008.

The time range for this dataset is June 22, 2003 to July 01, 2003.

The spatial range for this dataset is 34.68° to 35.16° latitude, and -87.07° to -85.78° longitude. map (center)

DOI : 10.5067/YVQTPSF4VZ9N
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