期刊
PROCEEDINGS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
卷 460, 期 2046, 页码 1673-1687出版社
ROYAL SOC
DOI: 10.1098/rspa.2003.1219
关键词
plankton patchiness; mesoscale eddies; spectral variability
Observational studies of the last 20 years have revealed a, spatial distribution of phytoplankton characterized by a wavenumber spectrum whose slope ranges between k(-1) and k(-3) (with k being the wavenumber), over horizontal scales ranging from 10 to 100 km. This strong spectral variability can be due either to the physics and/or to the biology. We show in this note that the low frequency variability (LFV) linked to the rnesoscale dynamics may explain a significant part of the observed variability. Our numerical results also suggest that the difference between the phytoplankton and zooplankton spectral slopes can depend on the dynamical LFV.
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