Journal ArticleDOI
A High-Resolution Coupled Riverine Flow, Tide, Wind, Wind Wave, and Storm Surge Model for Southern Louisiana and Mississippi. Part I: Model Development and Validation
Shintaro Bunya,J. C. Dietrich,Joannes J. Westerink,Bruce A. Ebersole,Jane McKee Smith,J. H. Atkinson,Robert E. Jensen,Donald T. Resio,Richard A. Luettich,Clinton N Dawson,V. J. Cardone,Andrew T. Cox,Mark D. Powell,H. J. Westerink,H. J. Roberts +14 more
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TLDR
A coupled system of wind, wind wave, and coastal circulation models has been implemented for southern Louisiana and Mississippi to simulate riverine flows, tides, wind waves, and hurricane storm surge in the region as discussed by the authors.Abstract:
A coupled system of wind, wind wave, and coastal circulation models has been implemented for southern Louisiana and Mississippi to simulate riverine flows, tides, wind waves, and hurricane storm surge in the region. The system combines the NOAA Hurricane Research Division Wind Analysis System (H*WIND) and the Interactive Objective Kinematic Analysis (IOKA) kinematic wind analyses, the Wave Model (WAM) offshore and Steady-State Irregular Wave (STWAVE) nearshore wind wave models, and the Advanced Circulation (ADCIRC) basin to channel-scale unstructured grid circulation model. The system emphasizes a high-resolution (down to 50 m) representation of the geometry, bathymetry, and topography; nonlinear coupling of all processes including wind wave radiation stress-induced set up; and objective specification of frictional parameters based on land-cover databases and commonly used parameters. Riverine flows and tides are validated for no storm conditions, while winds, wind waves, hydrographs, and high wa...read more
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Journal ArticleDOI
Modeling hurricane waves and storm surge using integrally-coupled, scalable computations
J. C. Dietrich,Marcel Zijlema,Joannes J. Westerink,L. H. Holthuijsen,Clinton N Dawson,Richard A. Luettich,Robert E. Jensen,Jane McKee Smith,Guus S. Stelling,Gregory W. Stone +9 more
TL;DR: The resulting integrated SWAN + ADCIRC system is highly scalable and allows for localized increases in resolution without the complexity or cost of nested meshes or global interpolation between heterogeneous meshes.
Journal ArticleDOI
A global reanalysis of storm surges and extreme sea levels
TL;DR: The first global reanalysis of storm surges and extreme sea levels (GTSR) based on hydrodynamic modelling is presented, showing that there is good agreement between modelled and observed sea levels, and that the performance of GTSR is similar to that of many regional hydrod dynamic models.
Journal ArticleDOI
The role of mangroves in attenuating storm surges
TL;DR: In this paper, field observations and numerical simulations indicate that the 6-to-30-km wide mangrove forest along the Gulf Coast of South Florida effectively attenuated storm surges from a Category 3 hurricane, Wilma, and protected the inland wetland by reducing an inundation area of 1800 km 2 and restricting surge inundation inside the mangroves zone.
Journal ArticleDOI
The potential of wetlands in reducing storm surge
TL;DR: In this article, a numerical storm surge model was applied to assess the sensitivity of surge response to specified wetland loss, and results suggest that wetlands do have the potential to reduce surges but the magnitude of attenuation is dependent on the surrounding coastal landscape and the strength and duration of the storm forcing.
Journal ArticleDOI
Performance of the Unstructured-Mesh, SWAN+ADCIRC Model in Computing Hurricane Waves and Surge
J. C. Dietrich,J. C. Dietrich,Seizo Tanaka,Joannes J. Westerink,Clinton N Dawson,Richard A. Luettich,Marcel Zijlema,L. H. Holthuijsen,Jane McKee Smith,L. G. Westerink,H. J. Westerink +10 more
TL;DR: This work examines the performance of the unstructured-mesh, SWAN+ADCIRC wave and circulation model applied to a high-resolution, 5M-vertex, finite-element SL16 mesh of the Gulf of Mexico and Louisiana, validated through hindcasts of Hurricanes Katrina and Rita, Gustav and Ike and comprehensive comparisons to wave and water level measurements throughout the region.
References
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Journal ArticleDOI
The NCEP/NCAR 40-Year Reanalysis Project
Eugenia Kalnay,Masao Kanamitsu,Robert Kistler,William D. Collins,D.G. Deaven,L. S. Gandin,M. Iredell,Suranjana Saha,Glenn H. White,John S. Woollen,Yuejian Zhu,Muthuvel Chelliah,Wesley Ebisuzaki,Wayne Higgins,John E. Janowiak,Kingtse C. Mo,Chester F. Ropelewski,Julian X. L. Wang,Ants Leetmaa,Richard W. Reynolds,Roy L. Jenne,Dennis Joseph +21 more
TL;DR: The NCEP/NCAR 40-yr reanalysis uses a frozen state-of-the-art global data assimilation system and a database as complete as possible, except that the horizontal resolution is T62 (about 210 km) as discussed by the authors.
Book
Open-channel hydraulics
TL;DR: This book discusses the development of Uniform Flow and its applications, as well as the theory and analysis of open channel flow, and the design of channels for Uniform Flow.
Journal ArticleDOI
An Analytic Model of the Wind and Pressure Profiles in Hurricanes
TL;DR: In this paper, an analytic model of the radial profiles of sea level pressure and winds in a hurricane is presented, which is shown to be generally superior to two other widely used models and is considered to be a valuable aid in operational forecasting and case studies.
Journal ArticleDOI
Reduced drag coefficient for high wind speeds in tropical cyclones
TL;DR: It is found that surface momentum flux levels off as the wind speeds increase above hurricane force, contrary to surface flux parameterizations that are currently used in a variety of modelling applications, including hurricane risk assessment and prediction of storm motion, intensity, waves and storm surges.