Introduction of Wave Set-Up Effects and Mass Flux to the Sea, Lake, and Overland Surges from Hurricanes (SLOSH) Model PDF Download
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Author: nist Publisher: ISBN: 9781494290504 Category : Languages : en Pages : 80
Book Description
Hurricanes wreak havoc on the lives and infrastructure ofcoastal communities. Storm surge, a local rise in sea level elevations, is perhaps the most devastating element of these tropical cyclones. Storm surge depends on the tidal stage, barometric pressure, Coriolis effects, wind stress, and wave forcing, as well as the local bathymetry. In the past,many storm surge numerical models, such as Sea, Lake, and Overland Surges from Hurricanes (SLOSH), neglect wave forcing components to conserve computational efficiency. This omission would surely be preferred when wave forcing is not significant. However, numerous situations couldnecessitate the inclusion of waves' effects to more correctly model the surge both spatially and temporally. In its effort to characterize the combined effects of hurricane hazards (hurricane wind, storm surge, and waves) for use in developing structural design criteria for coastal structures, NIST in collaboration with the NOAA's MeteorologicalDevelopment Laboratory (MDL) and the Oceanic and Atmospheric Research (OAR) has developed a methodology that incorporates hurricane science, hydrology, probabilistic methods, and structural engineering needs for use in developing site specific, risk-based design criteria for coastal structures subjected to the above hurricane hazards. This early effort utilizes program SLOSH for hydrodynamic simulations without consideration of wave effects. Recognizing that wave set-up and mass flux might have a significant influence on total storm surge levels, the NIST then collaborated with NOAA's National Hurricane Center (NHC) to provide funding and technical guidance to the University of Florida for the incorporation of a wave model into the SLOSH model to extend SLOSH capability. The result of this effort is described in this report.
Author: nist Publisher: ISBN: 9781494290504 Category : Languages : en Pages : 80
Book Description
Hurricanes wreak havoc on the lives and infrastructure ofcoastal communities. Storm surge, a local rise in sea level elevations, is perhaps the most devastating element of these tropical cyclones. Storm surge depends on the tidal stage, barometric pressure, Coriolis effects, wind stress, and wave forcing, as well as the local bathymetry. In the past,many storm surge numerical models, such as Sea, Lake, and Overland Surges from Hurricanes (SLOSH), neglect wave forcing components to conserve computational efficiency. This omission would surely be preferred when wave forcing is not significant. However, numerous situations couldnecessitate the inclusion of waves' effects to more correctly model the surge both spatially and temporally. In its effort to characterize the combined effects of hurricane hazards (hurricane wind, storm surge, and waves) for use in developing structural design criteria for coastal structures, NIST in collaboration with the NOAA's MeteorologicalDevelopment Laboratory (MDL) and the Oceanic and Atmospheric Research (OAR) has developed a methodology that incorporates hurricane science, hydrology, probabilistic methods, and structural engineering needs for use in developing site specific, risk-based design criteria for coastal structures subjected to the above hurricane hazards. This early effort utilizes program SLOSH for hydrodynamic simulations without consideration of wave effects. Recognizing that wave set-up and mass flux might have a significant influence on total storm surge levels, the NIST then collaborated with NOAA's National Hurricane Center (NHC) to provide funding and technical guidance to the University of Florida for the incorporation of a wave model into the SLOSH model to extend SLOSH capability. The result of this effort is described in this report.
Author: U.s. Department of Commerce Publisher: CreateSpace ISBN: 9781495992629 Category : Nature Languages : en Pages : 74
Book Description
Hurricanes wreak havoc on the lives and infrastructure of coastal communities. Storm surge, a local rise in sea elevations, is perhaps the most devastating element of these tropical cyclones. Storm surge depends on the tidal stage, barometric pressure, Coriolis effect, wind stress, and wave forcing, as well as the local bathymetry. In the past, many storm surge numerical models, such as Sea, Lake, and Overland Surges from Hurricanes (SLOSH) (JELESNIANSKI et al, 1992), neglect wave forcing components to conserve computational efficiency. However, numerous situations necessitate the inclusion of waves' effects to more correctly model the surge both spatially and temporally.
Author: Shaun W. Kline Publisher: ISBN: Category : Languages : en Pages :
Book Description
To this end, we conduct numerous tests of different forcing variations: wind-stress only, wind and wave stresses, and wind and wave stresses with mass flux transport. These options were simulated on three hurricanes and two SLOSH basins. The storms range in intensity between a Category 1 (34 m/s) and Hurricane Andrew, a Category 5 storm (74 m/s). Our two basins were chosen for bathymetric contrast: Tampa Bay, a shallow and gentle shelf, and Miami, which has a steeper and deeper shelf. Wave stresses and mass transports were obtained using the Simulating Waves Nearshore (SWAN) third-generation wave model with time dependent water level and wind inputs from the SLOSH wind-stress-only test.
Author: Emil Simiu Publisher: John Wiley & Sons ISBN: 1119375886 Category : Technology & Engineering Languages : en Pages : 533
Book Description
Provides structural engineers with the knowledge and practical tools needed to perform structural designs for wind that incorporate major technological, conceptual, analytical and computational advances achieved in the last two decades. With clear explanations and documentation of the concepts, methods, algorithms, and software available for accounting for wind loads in structural design, it also describes the wind engineer's contributions in sufficient detail that they can be effectively scrutinized by the structural engineer in charge of the design. Wind Effects on Structures: Modern Structural Design for Wind, 4th Edition is organized in four sections. The first covers atmospheric flows, extreme wind speeds, and bluff body aerodynamics. The second examines the design of buildings, and includes chapters on aerodynamic loads; dynamic and effective wind-induced loads; wind effects with specified MRIs; low-rise buildings; tall buildings; and more. The third part is devoted to aeroelastic effects, and covers both fundamentals and applications. The last part considers other structures and special topics such as trussed frameworks; offshore structures; and tornado effects. Offering readers the knowledge and practical tools needed to develop structural designs for wind loadings, this book: Points out significant limitations in the design of buildings based on such techniques as the high-frequency force balance Discusses powerful algorithms, tools, and software needed for the effective design for wind, and provides numerous examples of application Discusses techniques applicable to structures other than buildings, including stacks and suspended-span bridges Features several appendices on Elements of Probability and Statistics; Peaks-over-Threshold Poisson-Process Procedure for Estimating Peaks; estimates of the WTC Towers’ Response to Wind and their shortcomings; and more Wind Effects on Structures: Modern Structural Design for Wind, 4th Edition is an excellent text for structural engineers, wind engineers, and structural engineering students and faculty.
Author: Yunfang Sun Publisher: ISBN: Category : Hurricane Bob, 1991 Languages : en Pages : 2
Book Description
Hurricane Bob moved up the US east coast and crossed over southern New England and the Gulf of Maine (with peak marine winds up to 100 mph) on 19-20 August 1991, causing significant damage along the coast and shelf. A three-dimensional fully wave-current coupled Finite-Volume Community Ocean Model (FVCOM) system was developed and applied to simulate and examine the coastal ocean responses to Hurricane Bob, Results from process study-oriented experiments show that wave-current interaction caused a significant change of the current direction and mixing, but had relatively little contribution to the maximum sea level along the coast. Diagnostic analyses suggest that the contribution of hurricane-derived wave-current interaction to the net water flux varies in space and time. the hurricane-induced wave-current interaction could generate strong vertical current shear in the stratified areas, leading to strong offshore transport near the bottom and enhanced water mixing over the continental shelf. Stratification also could result in a significant difference of water currents around islands where the water is not vertically well mixed.
Author: nist
Author: nist
Author: U.s. Department of Commerce
Author: Long T. Phan
Author: Shaun W. Kline
Author: Emil Simiu
Author: 
Author: United States. National Oceanic and Atmospheric Administration
Author: Colin J. Hughes
Author: Cheng-An Tung
Author: Yunfang Sun