USER GUIDE: AMSR-E/Aqua L2B Surface Soil Moisture, Ancillary Parms, & QC EASE-Grids, Version 3
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National Snow and Ice Data Center
nsidc.org
TABLE OF CONTENTS
1 DATA DESCRIPTION ................................................................................................................. 2
1.1 Parameters ....................................................................................................................................... 2
1.2 File Information ................................................................................................................................. 2
1.2.1 Format .......................................................................................................................................... 2
1.2.2 File Contents ................................................................................................................................ 2
1.2.3 Naming Convention ...................................................................................................................... 5
1.3 Spatial Information ............................................................................................................................ 6
1.3.1 Coverage ...................................................................................................................................... 6
1.3.2 Resolution..................................................................................................................................... 6
1.3.3 Geolocation .................................................................................................................................. 7
1.4 Temporal Information ........................................................................................................................ 8
1.4.1 Coverage ...................................................................................................................................... 8
1.4.2 Resolution..................................................................................................................................... 8
2 DATA ACQUISITION AND PROCESSING ................................................................................ 9
2.1 Acquisition......................................................................................................................................... 9
2.2 Processing ...................................................................................................................................... 10
2.2.1 NPD Algorithm ............................................................................................................................ 10
2.2.2 SCA Algorithm ............................................................................................................................ 10
2.2.3 Ambient Surface Conditions ....................................................................................................... 11
2.3 Errors, Limitations, and Quality ....................................................................................................... 12
2.3.1 Error Sources ............................................................................................................................. 12
2.3.2 Limitations .................................................................................................................................. 13
2.3.3 Quality Assessment .................................................................................................................... 13
2.4 Instrumentation ............................................................................................................................... 14
3 SOFTWARE AND TOOLS ........................................................................................................ 14
4 VERSION HISTORY ................................................................................................................. 15
5 CONTACTS AND ACKNOWLEDGMENTS .............................................................................. 15
6 REFERENCES ......................................................................................................................... 15
7 DOCUMENT INFORMATION ................................................................................................... 16
7.1 Publication Date .............................................................................................................................. 16
7.2 Date Last Updated .......................................................................................................................... 16
APPENDIX – AMSR-E POLE HOLE ................................................................................................ 17
