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AMSR-E/Aqua Daily L3 V002 Surface Soil Moisture

The Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E) instrument on the NASA EOS Aqua satellite provides global passive microwave measurements of terrestrial, oceanic, and atmospheric variables for the investigation of water and energy cycles. Soil moisture and other land surface variables are key variables in understanding land surface hydrology and in modeling ecosystems, weather, and climate. This gridded Level-3 land surface product (AE_Land3) includes daily measurements of surface soil moisture and vegetation/roughness water content interpretive information. The data are extracted from NSIDC original HDF-EOS format data. The AE_Land3 version 2 (released on 2008) has replaced the old version data at the APDRC.

Reference:
Conway, D. 2002. Advanced Microwave Scanning Radiometer - EOS Quality Assurance Plan. Huntsville, AL: Global Hydrology and Climate Center.

Njoku, Eni G, T. Chan, W. Crosson, and A. Limaye. 2004. Evaluation of the AMSR-E Data Calibration Over Land. Italian Journal of Remote Sensing 29 (4): 19 - 37.

Njoku, Eni G., T. L. Jackson, V. Lakshmi, T. Chan, and S.V. Nghiem. 2003. Soil Moisture Retrieval from AMSR-E. IEEE Transactions on Geoscience and Remote Sensing 41 (2): 215-229.

Njoku, Eni G, T. Chan, W. Crosson, and A. Limaye. 2004. Evaluation of the AMSR-E Data Calibration Over Land. Italian Journal of Remote Sensing. 30/31: 19-37.

Njoku, Eni G. and T. K. Chan, 2005. Vegetation and Surface Roughness Effects on AMSR-E Land Observations. Remote Sensing of Environment (in press).

Njoku, E. G. 1999. AMSR Land Surface Parameters. Algorithm Theoretical Basis Document: Surface Soil Moisture, Land Surface Temperature, Vegetation Water Content, Version 3.0. Pasadena, California USA: NASA Jet Propulsion Laboratory. (PDF file, 1.16 MB)

Variables	Soil moisture (g/cm**3) and vegetation water content (kg/m**2), in both ascending and descending tracks.
Zonal	Global by 25 km Equal-Area Scalable Earth Grid (EASE-Grid) cell spacing
Meridional	85.3S to 85.3N by 25 km Equal-Area Scalable Earth Grid (EASE-Grid) cell spacing
Vertical	Surface
Temporal	Jun 19, 2002 to Oct 3, 2011 by 1 day
Static?	yes
Volume	95.25MB per variable per month
Server	public:
Source	http://nsidc.org/data/ae_land3.html
Acquired	Apr 20, 2007 (Updated July 2012)
APDRC contact
Supplements	Readme_amsr_m