Ocean Science
An international team of researchers has developed a new system to identify and compare episodes of sudden underwater darkness, known as marine darkwaves, which threaten light-dependent marine ecosystems. These events, triggered by storms, sediment runoff, and algae blooms, can drastically reduce light to the seafloor for days or months. The framework aims to standardize monitoring of these disruptions worldwide.
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Five European research institutions have announced an initiative to establish October 10 as International Coccolithophore Day, highlighting the crucial role of these microscopic plankton in regulating Earth's climate. Coccolithophores, tiny algae smaller than dust grains, capture carbon dioxide, produce oxygen, and form geological records of climate history. The campaign aims to raise awareness of their impact on ocean ecosystems amid climate change threats.