NTSG provides the following MOD17 GPP/NPP products:

MOD17A2: 8-day GPP/PsnNet at 1-km. HDF-EOS format.
Monthly_MOD17A2: Monthly GPP/PsnNet at 1-km. HDF-EOS format.
MOD17A3: Annual GPP/NPP at 1-km. HDF-EOS format.
GeoTIFF/MOD17A2: 8-day GPP at 0.05 degree. GeoTIFF format.
GeoTIFF/Monthly_MOD17A2: Monthly GPP at 0.05 degree. GeoTIFF format.
GeoTIFF/MOD17A3: Annual GPP/NPP at 30-arcsec. GeoTIFF format.
GeoTIFF/MOD12Q1: Land_Cover_Type_2 data field in MOD12Q1 used by MOD17.

Detailed product readmes are provided in each product's respective directory.

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CONTACTS
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Dr. Maosheng Zhao
zhaoms@umd.edu

or

Numerical Terradynamic Simulation Group (NTSG)
University of Montana
http://www.ntsg.umt.edu/contact
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