ESTOC - An observatory of EMSO Canary Islands
A branch of the North Atlantic Current flows southwestward and then around the Canary Islands. This current, which is named Canary current, is characterized by cold temperature. Here, a phenomenon called upwelling occurs: deep waters, which are cold and rich in nutrients, move towards the surface and replace the surface waters, which are warm and poor in nutrients. Upwelling has consequences of marine ecosystems, affecting fisheries.