| NASA Level 2 Product Reader | |
The L2 data product reader supports data from a number of missions, processed via the NASA l2gen processing code.
Each Level-2 product is generated from a corresponding Level-1A product.The main data contents of the product are the geophysical values for each pixel,derived from the Level-1A raw radiance counts by applying the sensor calibration, atmospheric corrections, and bio-optical algorithms. Each Level-2 product corresponds exactly in geographical coverage (scan-line and pixel extent) to that of its parent Level-1A product and is stored in one physical HDFfile. The standard Ocean Color product contains 12 geophysical values derived for each pixel: six water-leaving radiances for bands 1 to 6, the chlorophyll a concentration, the diffuse attenuation coefficient at band 3, the epsilon value for the aerosol correction of bands 7 and 8, the angstrom coefficient for bands 4 and 8, and the aerosol optical thickness at band 8. The standard SST product contains 11-micron and 4-micron (nighttime only) SST for each pixel. In addition, 32 flags are associated with each pixel indicating if any algorithm failures or warning conditions occurred for that pixel.
Format Specifications