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Brian Barnes

As seen in: Nature, ABC NewsOne, Taylor & Francis Online, Science Magazine, The Tennessean, Journal of Applied Meteorology and Climatology
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Articles

Global floating algae blooms are expanding - Nature Communications

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By Lin Qi, Menghua Wang, Brian Barnes, Douglas G. Capone, Joaquim I. Goes
| Nature Verified
Abstract In the past two decades, both microscopic algae (i.e., phytoplankton) and larger algae (i.e., macroalgae) have increased in certain coastal and open ocean waters, yet a comprehensive picture at the global scale is lacking. Here, we address this challenge by analyzing 1.2 million satellite images with computer artificial intelligence to quantify macroalgal mats and microalgal scums in global oceans between 2003 and 2022.
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Dramatic decline of Sargassum in the north Sargasso Sea since 2015 - Nature Geoscience

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By Yingjun Zhang, Brian Barnes, Deborah Goodwin, Jeffrey Schell, Brian E. Lapointe, Lin Qi
| Nature Verified
Abstract The Sargasso Sea, at the centre of the North Atlantic subtropical gyre, draws its name from the endemic floating brown macroalgae, Sargassum, which provides shelter and habitat for life in the pelagic zone. In 2011, the Sargassum footprint expanded to include the Great Atlantic Sargassum Belt in the tropical Atlantic, but little is known about how Sargassum in the Sargasso Sea changed thereafter.
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Equatorial upwelling of phosphorus drives Atlantic N2 fixation and Sargassum blooms - Nature Geoscience

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By Jonathan Jung, Nicolas N. Duprey, Alan Foreman, Yeongjun Ryu, Gabriel Cardoso, Tanja Wald, François Fripiat, Carlos Jiménez Verified, Maria Ong, Nathalie Goodkin, Hedy M. Aardema, Hans A. Slagter, Denis Scholz, Chuanmin Hu, Brian Barnes, Andrea Pozzer, Christopher Pöhlker, Jos Lelieveld, Ulrich Pöschl, Hubert Vonhof, Daniel M. Sigman, Juan Pablo D’Olivo, Christina Treinen-Crespo
| Nature Verified
Abstract The Great Atlantic Sargassum Belt first appeared in 2011 and quickly became the largest interconnected floating biome on Earth. In recent years, Sargassum stranding events have caused substantial ecological and socio-economic impacts in coastal communities. Sargassum requires both phosphorus (P) and nitrogen (N) for growth, yet the primary sources of these nutrients fuelling the extensive Sargassum blooms remain unclear.
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