The ocean carbon cycle

What is it about?

Small dissolved organic molecules are the largest reservoir of fixed carbon in the ocean. How were these small molecules formed and what roles do they play in the carbon cycle? The size-reactivity continuum conceptual model describes the biologically-driven processes that shape the size distribution of organic carbon and other essential bioelements, such as nitrogen and phosphorus. The vast and diverse reservoir of small molecules that persist in the ocean are largely the remnants of marine microorganisms.

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