<ul data-eligibleForWebStory="true"><li>Phytoplankton blooms fueled by agricultural run-off are depleting oxygen in coastal waters, creating dead zones.</li><li>Typically, oxygen enters the ocean at the surface, but does not reach the depths effectively, leading to persistent low-oxygen conditions.</li><li>Artificial reoxygenation is being considered as a solution to increase oxygen levels in the water column.</li><li>Methods include bubbling oxygen into deeper waters or pumping surface-level water downward.</li><li>Current artificial reoxygenation efforts have shown limited success, with effects lasting only while the mechanisms are active.</li><li>Discontinuation of artificial reoxygenation quickly reverts water back to a low-oxygen state.</li><li>Despite limitations, temporary use of reoxygenation may be beneficial while addressing agricultural practices and climate change.</li></ul>

Artificial Reoxygenation

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