The Salt Of... The Sea

Seawater is salty, basically everyone knows this. But how much does salinity vary across the globe, the different seas, oceans and latitude on earth? Here's a map to answer all these questions with data showing how salty seawater at your local beach or in polar waters, at surface level though.

More world maps like this one, showcasing interesting datasets and geographical curiosities on my website: https://www.perrinremonte.com/expe-eng