Research topic: Understanding the carbon flows between the euphotic zone and 1000m depth
This work will develop a more detailed understanding of carbon flows below the euphotic zone. The 100-1000m depth region is important to study because large amounts of organic matter enter this region as particles settling out of the euphotic zone, but only small amounts exit by falling through the lower depth limit. In particular we will incorporate the role of organisms so as to be able to describe the carbon flows between different groups of animals and bacteria. Preliminary models suggest that the timing and magnitude of seasonal productivity can dramatically affect the amount of material that passes through on its way to the ocean floor. We plan to use data from several study areas including the sites of the JGOFS field programs starting with that of the North Atlantic Bloom Experiment.
This project should stimulate further studies of the sub-euphotic zone by highlighting the important processes determining the fate of oceanic primary production. The results should help the development of better global models of the carbon cycle.
Jackson, G. A., Burd, A., Angel, M., Lampitt, R. (2004) Matlab script: Vertical Particle Flux Model with Predator-Prey Interactions, 2004 (U.S. JGOFS Synthesis & Modeling Phase project results). Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 27 October 2004) Version Date 2004-10-27 [if applicable, indicate subset used]. http://lod.bco-dmo.org/id/dataset/3202 [access date]
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