
1) Ecological process
Found on
https://www.crosswordclues.com/clue/outwelling

Outwelling is a hypothesized process by which coastal salt marshes and mangroves, `hot spots” of production, produce an excess amount of carbon each year and `outwell” these organic nutrients and detritus into the surrounding coastal embayment or ocean, thus increasing the productivity of local fisheries or other coastal plants. Outwelling...
Found on
http://en.wikipedia.org/wiki/Outwelling

The outflow of nutrients from an estuary or salt-marsh system to shelf waters
Found on
https://www.encyclo.co.uk/local/20125
No exact match found.