Desert Dunes Meet Freshwater Lagoons in Lençóis Maranhenses
TL;DR
NASA’s Earth Observatory highlights Lençóis Maranhenses National Park in Brazil as a vast dune field that fills with seasonal freshwater lagoons; dunes migrate westward under strong northeast winds, lagoons peak during the wet season and dry by December, and UNESCO designated the site a World Heritage venue in 2024 for its unique geology and biodiversity.
The Paradox of Lençóis Maranhenses National Park NASA Science (.gov)
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