A global atlas of artificial light at night under the sea

Resource Description
This global dataset provides the critical depth (Zc) to which biologically important ALAN penetrates into the sea at ~1km resolution. Files are available in netCDF format and can be directly imported into most GIS software. The atlas is broken down into continental tiles. A tile is given for each month of the year across the year 2020 to account for seasonal differences in ocean climatology that affect light penetration (e.g. phytoplankton). The monthly mapped climatologies are also available to download. See Smyth et al. (2021) for detailed description of the mapping approach. https://doi.org/10.1525/elementa.2021.00049

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