Dissolved oxygen is low when nitrate is high in ocean depth profiles due to remineralization
the verdict
SUPPORTED
the evidence backs this
confidence 86/100
Oceanographic studies confirm that the decomposition and remineralization of organic matter at depth consume dissolved oxygen while releasing nutrients such as nitrate, resulting in inverse profiles of low oxygen and high nitrate.
Evidence for · 3
Oxygen Minimum Zone Contrasts Between the Arabian Sea and the Bay of Bengal Implied by Differences in Remineralization Depth
2017 · cited by 54
This study discusses how oxygen minimum zones are formed and maintained through organic matter remineralization processes, establishing the link between dissolved oxygen depletion and nutrient cycling.
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More for · 2
Remineralization ratios of carbon, nutrients, and oxygen in the North Atlantic Ocean: A field databased assessment
2002 · cited by 35
This field-based assessment examines remineralization ratios of carbon, nutrients, and oxygen in the ocean, showing how oxygen consumption is coupled with nutrient (nitrate) release at depth.
Prokaryotic community structure and key taxa in the Arabian Sea’s oxygen minimum zone
2024 · cited by 10
This research highlights microbial communities and biogeochemical properties in ocean oxygen minimum zones where respiration and remineralization drive down dissolved oxygen while accumulating metabolic byproducts like nitrate.