Oceanic Frontal Systems and Biological Enhancement
作者： J. R. E. Lutjeharms , N. M. Walters , B. R. Allanson
DOI: 10.1007/978-3-642-82275-9_3
关键词: Agulhas current 、 Hydrography 、 Primary productivity 、 Convergence (routing) 、 Coastal zone 、 Geology 、 Climatology 、 Horizontal shear 、 Satellite
摘要: On a number of recent cruises between Africa and Antarctica closely-spaced measurements were made hydrographic variables, as well primary productivity chlorophyll-a concentration. We describe the occurrence high levels at certain specific locations, associated primarily with sea-surface fronts wherever such frontal systems have characteristics convergence. Information gathered by Coastal Zone Colour Scanner Nimbus-7 satellite shows clear relationship horizontal shear edges currents forming part southern Agulhas Current system biological enhancement. Various possible physical mechanisms which may be responsible for enhancement different are discussed.
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