Articles | Volume 12, issue 3
Earth Syst. Sci. Data, 12, 1697–1709, 2020
https://doi.org/10.5194/essd-12-1697-2020
Earth Syst. Sci. Data, 12, 1697–1709, 2020
https://doi.org/10.5194/essd-12-1697-2020

Data description paper 31 Jul 2020

Data description paper | 31 Jul 2020

Global distribution of photosynthetically available radiation on the seafloor

Jean-Pierre Gattuso et al.

Data sets

Photosynthetically available radiation (PAR) on the seafloor calculated from 21 years of ocean colour satellite data Bernard Gentili and Jean-Pierre Gattuso https://doi.org/10.1594/PANGAEA.910898

CoastalLight Bernard Gentili and Jean-Pierre Gattuso https://github.com/jpgattuso/CoastalLight

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Short summary
Light is a key ocean variable shaping the composition of benthic and pelagic communities by controlling the three-dimensional distribution of primary producers. It also plays a major role in the global carbon cycle. We provide a continuous monthly data set of the global distribution of light reaching the seabed. It is 4 times longer (21 vs 5 years) than the previous data set, the spatial resolution is better (4.6 vs 9.3 km), and the bathymetric resolution is also better (0.46 vs 3.7 km).