Deep Ocean Currents More Dynamic Than Previously Thought

A new study reveals that deep-sea currents are far more dynamic than previously believed, contradicting existing models and suggesting that our understanding of sediment and pollutant transport needs a significant update. The research, published in Nature Geoscience, analyzed extensive data from an unprecedented array of sensors deployed off the coast of Mozambique, providing detailed insights into the speed and direction of currents near the seafloor.

Ocean Acidification’s Silent Threat: The Rising Calcite Compensation Depth

The ocean’s depths are facing a silent threat: the rising calcite compensation depth (CCD). As the ocean absorbs increasing amounts of carbon dioxide, it becomes more acidic, causing calcium carbonate, the material marine life uses to build shells and skeletons, to dissolve. This expanding zone of acidity is pushing the CCD upwards, threatening to fundamentally alter deep-sea ecosystems and impact the livelihoods of island nations.

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