Global distribution of photosynthetically available radiation on the seafloor

Gattuso, Jean-Pierre; Gentili, Bernard; Antoine, David; Doxaran, David

doi:https://doi.org/10.5194/essd-12-1697-2020

Articles | Volume 12, issue 3

https://doi.org/10.5194/essd-12-1697-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/essd-12-1697-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 3

Data description paper

|

31 Jul 2020

Data description paper |

| 31 Jul 2020

Global distribution of photosynthetically available radiation on the seafloor

Jean-Pierre Gattuso, Bernard Gentili, David Antoine, and David Doxaran

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).