Aquatic Sciences Meeting, Albuquerque 2001
| PC07 Spatial and Temporal Connections |
| Date: Wednesday, February 14, 2001 |
| Location: Southwest Hall |
| Healey, S, A, University of Massachusetts at Dartmouth, Dartmouth, USA, shealey@umassd.edu |
| Bisagni, J, J, University of Massachusetts at Dartmouth, Dartmouth, USA, jbisagni@umassd.edu |
| PHYSICAL/BIOLOGICAL VARIABILITY IN THE GULF OF MAINE AND GEORGES BANK REGION, 1977-1987 |
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| Previous work has shown a strong relationship between physical oceanographic features, chlorophyll, and long-term, bi-monthly mean distributions of Calanus finmarchicus in the Georges Bank and Gulf of Maine regions. In this study, we focus on the relationship between inter-annual variability of Advanced Very High Resolution Radiometer-derived sea-surface temperature, Coastal Zone Color Scanner pigment, and in-situ measurements of near-surface temperature, salinity, chlorophyll and Calanus finmarchicus abundances for 1977-1987. Correlations between bi-monthly residuals of each parameter will be evaluated using spatial maps and temporal amplitude time series produced from an empirical orthogonal function analysis of variance for each parameter. Of special interest is the relationship between episodic advection of cold Scotian Shelf water across Northeast Channel onto the northeast peak of Georges Bank and any co-varying biological (chlorophyll and zooplankton) signals. The biological effects of such episodic flows, have not been studied adequately. |
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