#brazil

2 articles

Arraial do Cabo: Brazil's Cold-Water Oasis

A region guide to Arraial do Cabo — the wind-driven upwelling that chills Brazil's warm coast, its kelp-like Sargassum beds, rich reefs and dive-season rhythms.

Dr. Lena Fischer · September 26, 2026

Split over-under photograph at a Brazilian granite headland: golden cliffs and a white-sand cove above the waterline, and below, deep blue water fading down to a dim seabed where low dark kelp spreads across pale pink rhodolith gravel.

Atlas8 min read

Arraial do Cabo: Brazil's Upwelling Kelp Outlier

On a headland east of Rio de Janeiro, wind-driven upwelling chills subtropical water enough for deep kelp beds — Brazil's strangest and most surprising forest.

Dr. Mara Ellison · September 26, 2026

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