EEMB 142B Flashcards
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
2
Q
Why does DOC not sink?
A
Its dissolved matter so theres no density
3
Q
What is an important mechanism for the transport of DOC and CO2 to deep water?
A
The biological carbon pump
4
Q
DOC must be _____ by physical processes in a ____ gradient to be transported to deeper waters
A
entrained
horizontal gradient
5
Q
Why is export (e ratio) low in oligotrophic waters?
A
high regenerative system (low ks - small organisms)
