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Full-Text Articles in Physical Sciences and Mathematics

The Dynamics Of Long-Term Mass Transport In Estuaries, John M. Hamrick Jan 1990

The Dynamics Of Long-Term Mass Transport In Estuaries, John M. Hamrick

VIMS Books and Book Chapters

The dynamics of long-term mass transport in estuaries having weakly nonlinear long wave dynamics are investigated. Low pass filtered long-term mass transport equations are derived for conditions of weak and strong vertical stratification. The dynamics of the residual mass transport velocity, or lowest order approximation to the Lagrangian residual velocity, are investigated by perturbation analyses of the hydrodynamics equations. For weak vertical stratification conditions, analytical results showing the influence of topography, the earth's rotation, and channel curvature on the distribution of the residual mass transport velocity field are presented. The calculation of the residual mass transport velocity field from field …


Fall 1990, Nsu Oceanographic Center Jan 1990

Fall 1990, Nsu Oceanographic Center

Currents

No abstract provided.


Spring 1990, Nsu Oceanographic Center Jan 1990

Spring 1990, Nsu Oceanographic Center

Currents

No abstract provided.


Summer 1990, Nsu Oceanographic Center Jan 1990

Summer 1990, Nsu Oceanographic Center

Currents

No abstract provided.


Winter 1990, Nsu Oceanographic Center Jan 1990

Winter 1990, Nsu Oceanographic Center

Currents

No abstract provided.


Estuarine Studies : An Activities Text For Maine Schools, Education Division - Department Of Marine Resources Jan 1990

Estuarine Studies : An Activities Text For Maine Schools, Education Division - Department Of Marine Resources

Maine Collection

Estuarine Studies : An Activities Text for Maine Schools

Fisheries Education Unit #16 - Produced by The Education Division, Department of Marine Resources, State House Station 21, Augusta, Maine 04333-0021.

Revised 1990. Printed Under Appropriation No. 3140.3260.



Quaternary Geology Of The Chesapeake Bay, Jeffrey P. Halka, Steven M. Colman, Carl H. Hobbs Iii Jan 1990

Quaternary Geology Of The Chesapeake Bay, Jeffrey P. Halka, Steven M. Colman, Carl H. Hobbs Iii

VIMS Books and Book Chapters

The Chesapeake Bay, which is a classic coastal plain estuary, is located on a trailing edge continental margin. It has a surface area of nearly 6,000 km2 and ranges in width from 8 to 48 km. The morphology of the bay clearly reflects its formation as a response to fluctuating sea level during and following the last major continental glaciation. The shoreline is highly irregular, the tributaries form an intricate dendritic drainage pattern, and a deep axial channel occurs along much of its length (fig. 1). Water depths commonly exceed 30m in this deep channel, which is flanked by broad …


Persistence Of Residual Currents In The James River Estuary And Its Implication To Mass Transport, Albert Y. Kuo, John M. Hamrick, Gamble M. Sisson Jan 1990

Persistence Of Residual Currents In The James River Estuary And Its Implication To Mass Transport, Albert Y. Kuo, John M. Hamrick, Gamble M. Sisson

VIMS Books and Book Chapters

The distribution and persistence of Eulerian and Lagrangian residual velocity in a cross sectional transect of the James River estuary, Virginia are analyzed. The Eulerian residual velocity has the characteristic two-layered estuarine circulation in the northern half of the transect, however, the net flow is directed downriver at all depths in the shallower southern half of the transect. In the deep channel, the two-layered Eulerian residual circulation is highly persistent over the six month study duration, with disruptions occurring less than 10% of the time when meteorological forcings are intense. No spring-neap tidal cycle variation is apparent. The magnitude of …