Journal of Geophysical Research: Oceans

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Tide‐Storm Surge Interactions in Highly Altered Estuaries: How Channel Deepening Increases Surge Vulnerability
Journal of Geophysical Research: Oceans - Tập 125 Số 4 - 2020
Ramin Familkhalili, Stefan A. Talke, David A. Jay
AbstractWe develop idealized analytical and numerical models to study how storm surge amplitudes vary within frictional, weakly convergent, nonreflective estuaries. Friction is treated using Chebyshev polynomials. Storm surge is represented as the sum of two sinusoidal components, and a third constituent represents the semidiurnal tide (... hiện toàn bộ
An operational model for filling the black strips of the MODIS 1640 band and application to atmospheric correction
Journal of Geophysical Research: Oceans - Tập 118 Số 11 - Trang 6006-6016 - 2013
Jun Chen, Tingwei Cui, Changsong Lin
Physical controls on hypoxia in Chesapeake Bay: A numerical modeling study
Journal of Geophysical Research: Oceans - Tập 118 Số 3 - Trang 1239-1256 - 2013
Malcolm E. Scully
ABSTRACTA three‐dimensional circulation model with a relatively simple dissolved oxygen model is used to examine the role that physical forcing has on controlling hypoxia and anoxia in Chesapeake Bay. The model assumes that the biological utilization of dissolved oxygen is constant in both time and space, isolating the role that physical forces play in modulating o...... hiện toàn bộ
Subregional characterization of mesoscale eddies across the Brazil‐Malvinas Confluence
Journal of Geophysical Research: Oceans - Tập 122 Số 4 - Trang 3329-3357 - 2017
Evan Mason, Ananda Pascual, Peter Gaube, Simón Ruíz, Josep Lluís Pelegrí, Antoine Delepoulle
AbstractHorizontal and vertical motions associated with coherent mesoscale structures, including eddies and meanders, are responsible for significant global transports of many properties, including heat and mass. Mesoscale vertical fluxes also influence upper ocean biological productivity by mediating the supply of nutrients into the euphotic layer, with potential ...... hiện toàn bộ
Vertical structure, energetics, and dynamics of the Brazil Current System at 22°S–28°S
Journal of Geophysical Research: Oceans - Tập 119 Số 1 - Trang 52-69 - 2014
César B. Rocha, Ilson Carlos Almeida da Silveira, Belmiro Mendes de Castro, José Antônio Moreira Lima
We use four current meter moorings and quasi‐synoptic hydrographic observations in conjunction with a one‐dimensional quasi‐geostrophic linear stability model to investigate downstream changes in the Brazil Current (BC) System between 22°S and 28°S. The data set depict the downstream thickening of the BC. Its vertical extension increases from 350 m at 22.7°S to 850 m at 27.9°S. Most of thi...... hiện toàn bộ
Remote Sensing of Chlorophyll‐A in Case II Waters: A Novel Approach With Improved Accuracy Over Widely Implemented Turbid Water Indices
Journal of Geophysical Research: Oceans - Tập 123 Số 11 - Trang 8138-8158 - 2018
Harilal B. Menon, Arjun Adhikari
AbstractA new semianalytical algorithm was formulated to retrieve chlorophyll‐a (CHL) in optically complex waters using in situ data set of coastal waters of eastern Arabian Sea. The algorithm was derived using CHL index of the form, x = (R... hiện toàn bộ
Hindcast and validation of Hurricane Ike (2008) waves, forerunner, and storm surge
Journal of Geophysical Research: Oceans - Tập 118 Số 9 - Trang 4424-4460 - 2013
Mark Hope, Joannes J. Westerink, Andrew B. Kennedy, P. C. Kerr, J. C. Dietrich, Clint Dawson, C.J. Bender, Jane McKee Smith, Robert E. Jensen, Marcel Zijlema, L.H. Holthuijsen, Rick Luettich, Mark D. Powell, Vincent J. Cardone, Andrew T. Cox, Hasan Pourtaheri, Hugh J.R. Roberts, J. H. Atkinson, S. Tanaka, H. J. Westerink, L. G. Westerink
Hurricane Ike (2008) made landfall near Galveston, Texas, as a moderate intensity storm. Its large wind field in conjunction with the Louisiana‐Texas coastline's broad shelf and large scale concave geometry generated waves and surge that impacted over 1000 km of coastline. Ike's complex and varied wave and surge response physics included: the capture of surge by the protruding Mississippi ...... hiện toàn bộ
The Influence of Channel Deepening on Tides, River Discharge Effects, and Storm Surge
Journal of Geophysical Research: Oceans - Tập 126 Số 5 - 2021
Stefan A. Talke, Ramin Familkhalili, David A. Jay
AbstractWe combine archival research, semi‐analytical models, and numerical simulations to address the following question: how do changes to channel geometry alter tidal properties and flood dynamics in a hyposynchronous, strongly frictional estuary with a landward decay in tidal amplitudes? Records in the Saint Johns River Estuary since the 1890s show that tidal r...... hiện toàn bộ
Subtidal Water Level and Current Variability in a Bar‐Built Estuary During Cold Front Season: Barataria Bay, Gulf of Mexico
Journal of Geophysical Research: Oceans - Tập 124 Số 10 - Trang 7226-7246 - 2019
Ali Reza Payandeh, Dubravko Justić, G. Mariotti, Haosheng Huang, Soroush Sorourian
AbstractSubtidal water level and current variability in Barataria Bay—a microtidal bar‐built estuary within the Mississippi Delta—and its relation to local and remote wind forcings were analyzed using three different methods: (1) statistical analysis of in situ observations, (2) an analytical model with idealized wind field, and (3) a barotropic numerical model. Re...... hiện toàn bộ
Estuary‐enhanced upwelling of marine nutrients fuels coastal productivity in the U.S. Pacific Northwest
Journal of Geophysical Research: Oceans - Tập 119 Số 12 - Trang 8778-8799 - 2014
Kristen A. Davis, Neil S. Banas, Sarah N. Giddings, Samantha Siedlecki, Parker MacCready, Evelyn J. Lessard, Raphael M. Kudela, Barbara M. Hickey
AbstractThe Pacific Northwest (PNW) shelf is the most biologically productive region in the California Current System. A coupled physical‐biogeochemical model is used to investigate the influence of freshwater inputs on the productivity of PNW shelf waters using realistic hindcasts and model experiments that omit outflow from the Columbia River and Strait of Juan d...... hiện toàn bộ
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