Planktonic interactions and chaotic advection in Langmuir circulation

被引:17
作者
Bees, MA [1 ]
Mezic, I
McGlade, J
机构
[1] Univ Warwick, Inst Math, Coventry CV4 7AL, W Midlands, England
[2] Univ Warwick, Dept Biol Sci, Ecosyst Anal & Management Grp, Coventry CV4 7AL, W Midlands, England
关键词
plankton; mixing; resonant retention zones; patchiness; Langmuir circulation; chaotic advection; physical forcing;
D O I
10.1016/S0378-4754(97)00097-9
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
The role of unsteady laminar flows for planktonic communities is investigated. Langmuir circulation is used, as a typical medium-scale structure, to illustrate mechanisms for the generation of plankton patches. Two behaviours are evident: chaotic regions that help to spread plankton and locally coherent regions that do not mix with the chaotic regions and which persist for long periods of time. The interaction of populations of phytoplankton with zooplankton is discussed, taking into account the variations in plankton buoyancy. (C) 1998 IMACS/Elsevier Science B.V.
引用
收藏
页码:527 / 544
页数:18
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