OLCI Global Vegetation index (faPAR)
The OLCI Global Vegetation index is the main variable included in the ogvi.nc file.
The following table provides the main characteristics of this variable including coverage, parameter ID, time latency, sampling and bands used in the associated product. The ancillary and auxiliary data provides the variables used during processing and are provided in Auxiliary Data Files (ADFs).
PRODUCT NAME | OLCI Global Vegetal Index (faPAR) |
PARAMETER ID | OGVI |
PRODUCT LEVEL | 2 |
DESCRIPTION | Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) in the plant canopy. |
PRODUCT PARAMETERS | |
COVERAGE | global |
PACKAGING | half-orbit |
LATENCY | NRT, NTC |
UNITS | dimensionless |
RANGE | 0-1 |
SAMPLING | Spatial: approximately 300 m x 300 m (FR) and 1.2 km x 1.2 km (RR); spectral: N/A |
FORMAT | 1-byte integer |
APPENDED DATA | Error estimate (1-byte integer) |
FREQUENCY | 1 product per orbit |
SIZE OF PRODUCT | Approx. 0.54 GB (FR), 35 MB (RR) |
ADDITIONAL INFORMATION | |
INPUT BANDS | Oa3 (443 nm), Oa10 (681 nm), Oa17 (865 nm) |
ANCILLARY AND AUXILIARY | Illumination/viewing angles |
DATA |