Photosynthetically Active Radiation
The photosynthetically active radiation is the main variable included in the par.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 | Photosynthetically Active Radiation |
PARAMETER ID | PAR |
PRODUCT LEVEL | 2 |
DESCRIPTION | Quantum energy flux from the sun in the spectral range 400-700 nm and associated error estimates. |
PRODUCT PARAMETERS | |
COVERAGE | global |
PACKAGING | half-orbit |
LATENCY | NRT, NTC |
UNITS | µEinstein.m-2 |
RANGE | |
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 | |
ANCILLARY AND AUXILIARY DATA |