Hurricane-driven alteration in plankton community size structure in the Gulf of Mexico: A modeling study
作者： Michelle M. Gierach , Bulusu Subrahmanyam , Annette Samuelsen , Kyozo Ueyoshi
DOI: 10.1029/2009GL037414
关键词: Ecosystem 、 Environmental science 、 Oceanography 、 Eddy 、 Mesoscale meteorology 、 Phytoplankton 、 Zooplankton 、 Plankton 、 Biomass (ecology) 、 Tropical cyclone
摘要: [1] This was the first study to analyze phytoplankton and zooplankton community size structure during hurricane passage. A three-dimensional biophysical model used assess ecosystem dynamics, plankton biomass, distribution in Gulf of Mexico Hurricane Katrina (2005). Model simulations revealed that large were most responsive hurricane-induced turbulent mixing nutrient injection, with increases biomass along track. Small phytoplankton, microzooplankton, mesozooplankton primarily shifted location increased spatial extent as a result Katrina. passage disrupted associated mesoscale eddies. Biomass minimums maximums resided center warm- cold-core eddies eddy peripheries prior displaced
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