GMIS - SeaWiFS Monthly mean photosynthetically available radiation (4km) in E.m^-2.d^-1

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.光合有效辐射（Photosynthetically Active Radiation，PAR）：数据分辨率为4千米，单位为爱因斯坦·米⁻²·天⁻¹。光合有效辐射被定义为太阳辐射中波长介于400至700纳米的量子能通量，可被浮游植物、底栖藻类及海草用于光合作用过程。