نتایج جستجو برای: wave height

تعداد نتایج: 314424  

2015
Graham Feld David Randell Yanyun Wu

Specification of realistic environmental design conditions for marine structures is of fundamental importance to their reliability over time. Design conditions for extreme waves and storm severities are typically estimated by extreme value analysis of time series of measured or hindcast significant wave height, HS. This analysis is complicated by two effects. Firstly, HS exhibits temporal depen...

2013
Matt Higgins

Rocky intertidal ecosystems are impacted by many different abiotic and biotic factors. Specifically, both wave exposure and tidal height have been shown to have strong effects on the dynamics of intertidal communities. Wave exposure and tidal height have long been shown to limit the ranges and abundance of intertidal organisms, although the relative importance of the two factors and the relatio...

Journal: :Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 2011

Journal: :World Journal of Advanced Engineering Technology and Sciences 2023

An essential aspect of the sustainable design harbor walls is determination wave condition. It predicted by utilizing severe conditions from past 10 to 20 years. The tourism in Central Maluku, Indonesia, located where extreme occur. Therefore, this research studies height before and after constructing a wall area. was simulated using numerical modelling. methodology performed coastal modelling ...

Journal: :Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering) 2010

ژورنال: مهندسی دریا 2011
منشی زاده, مرتضی , نجفی جیلانی, عطااله ,

The visco-elastic properties of asphaltic layers make it appropriate for application in coastal protection in embankments. In this research, an experimental set up of a coastal embankment is developed to investigate the characteristics of lean stone asphalt layer on coastal embankments. More than 100 laboratory tests were carried out considering various loading conditions on the asphalt protect...

2007
E. van Groesen

As a contribution to deterministic investigations into extreme fluid surface waves, in this paper wave profiles of prescribed period that have maximal crest height will be investigated. As constraints the values of the momentum and energy integrals are used in a simplified description with the KdV model. The result is that at the boundary of the feasible region in the momentum-energy plane, the...

ژورنال: مهندسی دریا 2010
آق تومان, پیمان, حسین زاده, هادی, وفایی, فریدون,

In the present paper optimum height of skirt of Skirt Pontoon Floating Breakwater are reported by physical model. 54 tests on 3 types (skirt heights : 8,16 and 24 cm) of skirt pontoon floating breakwater is conducted in the wave flume of Soil Conservative and Watershed Research Center. Hydrodynamical and geometrical parameters were analysised. In this research optimum height of skirt to water d...

2008
PETER C. CHU YIQUAN QI YUCHUN CHEN PING SHI QINGWEN MAO

A full-spectral third-generation ocean wind-wave model, Wavewatch-III, has been implemented in the South China Sea (SCS) for investigating wind-wave characteristics. This model was developed at the Ocean Modeling Branch of the National Centers for Environmental Prediction (NCEP). The NASA QuickSCAT data (0.258 resolution) 2 times daily were used to simulate the wind waves for the entire year of...

2006
TIFFANY A. SHAW THEODORE G. SHEPHERD

The robustness of the parameterized gravity wave response to an imposed radiative perturbation in the middle atmosphere is examined. When momentum is conserved and for reasonable gravity wave drag parameters, the response to a polar cooling induces polar downwelling above the region of the imposed cooling, with consequent adiabatic warming. This response is robust to changes in the gravity wave...

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