نتایج جستجو برای: wavewatch iii

تعداد نتایج: 258615  

2003
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 the wind wave characteristics. This model was developed at the Ocean Modeling Branch of the National Centers for Environmental Prediction (NCEP). The NASA QuickScat data (0.25 resolution) two times daily were used to simulate the wind waves for the whole yea...

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...

ژورنال: :فصلنامه علوم و فناوری دریا 2013
سودابه متقی طارمسری مجتبی عظام عباسعلی علی اکبری بیدختی

در این مطالعه به بررسی رشد امواج در حالتهای مختلف لایه سطحی با استفاده از داده باد ecmwf در نواحی شمالی خلیج فارس طی دو ماه ژانویه و جولای سال 2009 با کمک مدل wavewatch iii پرداخته ایم. پارامتر مورد نظر جهت تعیین میزان رشد موج، ارتفاع موج شاخص hs بر حسب متر در نظر گرفته شده است. نتیجه مدلسازی حاکی از آن است که ارتفاع موج شاخص در دو ماه مورد نظر و در حالتهای مختلف لایه سطحی متفاوت بوده است، به گ...

Journal: :international journal of marine science and engineering 2012
f. s. sharifi m. ezam a. karami khaniki

in this study, the capabilities of wawewatch-iii and mike21-sw for predicting the characteristics ofwind-generated waves in hormuz strait are evaluated. the numerical models have been set up using input data including gfs wind with 5° spatial resolution and 6 hours time intervals, along with the etopo1 bathymetry data with 2 arc-minute spatial resolutions. the results of the two model simulatio...

2016
Yalin Fan Erick Rogers

In this study, Donelan, M.A., Babanin, A.V., Young, I.R., Banner, M.L., 2006. J. Phys. Oceanogr. 36, 1672– 1688 source function is used to calculate drag coefficients from both the scanning radar altimeter (SRA) measured two dimensional wave spectra obtained during hurricane Ivan in 2004 and the WAVEWATCH III simulated wave spectra. The drag coefficients disagree between the SRA and model spect...

Journal: :Remote Sensing 2015
Weizeng Shao Xiao-Feng Li Jian Sun

An ocean surface wave retrieval algorithm, Parameterized First-guess Spectrum Method (PFSM), which was initially developed for C-band Synthetic Aperture Radar (SAR), is modified to extract wave parameters from X-band TerraSAR-X (TS-X) images. Wave parameters, including significant wave height (SWH) and mean wave period (MWP) were extracted from nine TS-X HH-polarization images and were compared...

2014
W. Erick Rogers Pamela G. Posey

The WAVEWATCH III model (Tolman 1991, Tolman et al. 2002, Tolman 2009) is a phase-averaged wave model solved by integrating the wave action conservation equation. Local rates of change of wave spectral density is determined by advection in four dimensions (two geographic and two spectral dimensions) and source terms representing various dynamic processes, such as energy transfer from the wind, ...

2012
James Dykes Erick Rogers James D. Dykes

The public (-«porting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, inclu...

Journal: :Terrestrial, Atmospheric and Oceanic Sciences 2009

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