Recent research reveals a concerning decline in oxygen levels within the Arctic Ocean, driven by warming waters, reduced ventilation, and increased acidification. These changes are placing significant stress on Arctic ecosystems, underscoring the need for continuous monitoring.
Scientists attribute the deoxygenation to several factors, including changes in oxygen solubility, increased biological activity, and physical processes. The Southern Ocean Carbon and Climate Observations and Modeling (SOCCOM) project utilizes advanced Argo floats equipped with biogeochemical sensors to monitor these changes.
The expansion of oxygen minimum zones (OMZs) is a particularly alarming trend, threatening marine life and disrupting nutrient cycles. The U.S. Coast Guard is increasing its presence in the Arctic, conducting research missions to monitor environmental changes and support national security interests.