EMIS - MODIS-AQUA Monthly mean photosynthetically available radiation (4km) in E.m^-2.d^-1
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Photosynthetically Active Radiation (PAR in Einstein.m^-2.day^-1 at 4km resolution): PAR is defined as the quantum energy flux from the sun in the spectral range 400 to 700 nm, usable in the process of photosynthesis by phytoplankton, benthic algae and seagrass.



