Event-scale blooms drive enhanced primary productivity at the Subtropical Convergence

Details Event-scale blooms drive enhanced primary productivity at the Subtropical Convergence Event-scale blooms drive enhanced primary productivity at the Subtropical Convergence

Aug 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3215611l&link_type=abstract

Geophysical Research Letters, Volume 32, Issue 15, CiteID L15611

Mathematics

Logic

2

Oceanography: Physical: Eddies And Mesoscale Processes, Oceanography: Physical: Upper Ocean And Mixed Layer Processes, Oceanography: Biological And Chemical: Phytoplankton

Scientific paper

Frontal systems in the Southern Ocean are known for their enhanced biological activity, with some tantalising suggestions that this enhancement may be intermittent. We have used frequent satellite ocean colour observations to investigate the Subtropical Convergence south of Africa. We demonstrate that the biological enhancement takes place as episodic chlorophyll bloom events with limited spatial and temporal scales. Most of the events appear in austral spring-summer. Two typical lifetimes, 8-24 and 40-60 days, emerge unambiguously during these seasons. A similar analysis has been carried out on modelled chlorophyll fields to investigate the physical-biogeochemical causes for such events. Strong and swift stratification, alleviating the light limitation on growth of phytoplankton, causes the appearance of a bloom. A mixed layer depth expansion subsequently leads to a rapid disappearance of the simulated event. Phytoplankton horizontal transport, either zonal or meridional, also plays a key role on the lifetime of the bloom events.

Affiliated with

Also associated with

No associations

Rating

Event-scale blooms drive enhanced primary productivity at the Subtropical Convergence does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Event-scale blooms drive enhanced primary productivity at the Subtropical Convergence, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Event-scale blooms drive enhanced primary productivity at the Subtropical Convergence will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-853521