Journal of Geophysical Research: Oceans

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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 = (Rrs(λ1)−1−Rrs(λ2)−1) × Rrs(λ3). The first wavelength (λ1) represents the secondary peak of CHL, while the second wavelength (λ2) and third wavelength (λ3) were d... 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 River De... 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 range has doubled in Jacksonville,... hiện toàn bộ
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 (D2). An empirical fit of storm surge shows that two sinusoida... 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. Remote wind effects (i.e., the coas... 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 de Fuca (outlet for the Salish Sea... hiện toàn bộ
River‐tide dynamics: Exploration of nonstationary and nonlinear tidal behavior in the Yangtze River estuary
Journal of Geophysical Research: Oceans - Tập 120 Số 5 - Trang 3499-3521 - 2015
Leicheng Guo, Mick van der Wegen, David A. Jay, Pascal Matte, Zheng Bing Wang, Dano Roelvink, Qing He
AbstractRiver‐tide dynamics remain poorly understood, in part because conventional harmonic analysis (HA) does not cope effectively with nonstationary signals. To explore nonstationary behavior of river tides and the modulation effects of river discharge, this work analyzes tidal signals in the Yangtze River estuary using both HA in a nonstationary mode and continuous wavelet transforms (CWT). The... hiện toàn bộ
Dynamics of the Carbonate System in the Western Indonesian Seas During the Southeast Monsoon
Journal of Geophysical Research: Oceans - Tập 125 Số 1 - 2020
Faisal Hamzah, Teguh Agustiadi, R. Dwi Susanto, Zexun Wei, Liguo Guo, Zhimian Cao, Minhan Dai
AbstractWe present a unique water column data set of dissolved inorganic carbon (DIC) and total alkalinity (TAlk) from a cruise to the western Indonesian Seas during the southeast monsoon, covering the Karimata Strait, western Java Sea, and Sunda Strait. Salinity‐normalized TAlk (NTAlk) in the surface water ranged 2,297–2,348 μmol kg−1, very close to typical values observed in the tropical ocean. ... 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
Requirement of minimal signal‐to‐noise ratios of ocean color sensors and uncertainties of ocean color products
Journal of Geophysical Research: Oceans - Tập 122 Số 3 - Trang 2595-2611 - 2017
Lin Qi, Zhongping Lee, Chuanmin Hu, Menghua Wang
AbstractUsing simulations, error propagation theory, and measurements from the Moderate Resolution Imaging Spectroradiometer (MODIS), we determined the minimal signal‐to‐noise ratio (SNR) required for ocean color measurements and product uncertainties at different spatial and temporal scales. First, based on typical top‐of‐atmosphere (TOA) radiance over the ocean, we evaluate the uncertainties in ... hiện toàn bộ
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