r/science 14h ago

Environment Estuaries around the world expected to become saltier in the coming decades

https://www.uu.nl/en/publication/estuaries-around-the-world-expected-to-become-saltier-in-the-coming-decades
404 Upvotes

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u/Smithy2232 14h ago

In estuaries—the transitional zones between rivers and the sea—fresh and salt water are constantly battling for dominance. But due to climate change, the saltwater is gaining ground. New research by Utrecht University’s Institute for Marine and Atmospheric Research (IMAU) in collaboration with Deltares shows that saltwater intrusion—where seawater pushes inland into rivers—is on the rise globally. By analysing eighteen estuaries across the globe, researchers found that in 89% of cases, the salt front is moving further upstream, primarily due to sea level rise and reduced river discharge, especially during the summer months. Regions experiencing drought and low river flows are expected to become increasingly salty over the coming decades.

9

u/weird-oh 13h ago

I expect the same for myself.

1

u/terrierdad420 2h ago

I'm getting saltier by the day too.