Description
The NASA/NOAA Suomi National Polar-orbiting Partnership (Suomi NPP) Visible Infrared Imaging Radiometer Suite (VIIRS) Gross Primary Productivity (GPP) and Net Photosynthesis (PSN) (VNP17A2) Version 2 data product is a cumulative composite of GPP values based on the radiation use efficiency concept that is potentially used as inputs to data models to calculate terrestrial energy, carbon, water cycle processes, and biogeochemistry of vegetation. VNP17A2 is an 8-day composite at 500 meter (m) spatial resolution delivered as a gridded Level 4 (L4) product in Sinusoidal projection. Provided in the VNP17A2 product are layers for GPP, PSN, along with a quality control layer. A low resolution browse image for GPP is also available for each VNP17A2 granule.Known Issues* For complete information about known issues please refer to the MODIS/VIIRS Land Quality Assessment website.
Resources
| Name | Format | Description | Link |
|---|---|---|---|
| Data Information (JPEG) | JPG | BROWSE.VNP17A2.A2025161.h08v06.002.2025175211339.1.jpg | Open resource |
| Data Information (HTML) | HTML | VNP17A2.002 | Open resource |
| Data Information (Unknown Format) | Binary | Open resource | |
| Data Information (PDF) | VNP17_User_Guide_V1.pdf | Open resource | |
| Data Information (Unknown Format) | Binary | Open resource | |
| Data Information (HTML) | HTML | Val_overview.html | Open resource |
| Data Information (Unknown Format) | Binary | Open resource |