EEMB 142B Flashcards

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1
Q

What factors make for an efficient biological pump?

A
  • high export ratio (e ratio = export flux rate/primary production)
  • long remineralization length scale-depth where organic matter is remineralized
  • stoichiometry of exported organic matter
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2
Q

Why does DOC not sink?

A

Its dissolved matter so theres no density

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3
Q

What is an important mechanism for the transport of DOC and CO2 to deep water?

A

The biological carbon pump

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4
Q

DOC must be _____ by physical processes in a ____ gradient to be transported to deeper waters

A

entrained

horizontal gradient

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5
Q

Why is export (e ratio) low in oligotrophic waters?

A

high regenerative system (low ks - small organisms)

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