Cutoff switch may limit spread, duration of oxygen minimum zones
Corvallis OR (SPX) May 21, 2014 - A new study examining the impact of iron released from continental margin sediments has documented a natural limiting switch that may keep these ocean systems from developing a runaway feedback loop that could lead to unchecked hypoxic areas, or persistent "dead zones." The findings are particularly important, scientists say, because as the climate warms oxygen minimum zones are expected t ... more
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