|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | A Storm Surge Intensity Classification Based on Extreme Water Level and Concomitant Wave Height显示文摘Storm surge is one of the predominant natural threats to coastal communities. Qingdao is located on the southern coast of the Shandong Peninsula in China. The storm surge disaster in Qingdao depends on various influencing factors such as the intensity, duration, and route of the passing typhoon, and thus a comprehensive understanding of natural coastal hazards is essential. In order to make up the defects of merely using the warning water level, this paper presents two statistical distribution models(Poisson Bi- variable Gumbel Logistic Distribution and Poisson Bi-variable Log-normal Distribution) to classify the intensity of storm surge. We emphasize the joint return period of typhoon-induced water levels and wave heights measured in the coastal area of Qingdao since 1949. The present study establishes a new criterion to classify the intensity grade of catastrophic storms using the typhoon surge estimated by the two models. A case study demonstrates that the new criterion is well defined in terms of probability concept, is easy to implement, and fits well the calculation of storm surge intensity. The procedures with the proposed statistical models would be useful for the disaster mitigation in other coastal areas influenced by typhoons. | DONG Sheng GAO Junguo LI Xue WEI Yong WANG Liang | 2015 | Journal of Ocean University of China2015，14，2： | 4 |
| 2 | The Characteristics of Storm Wave Behavior and Its Effect on Cage Culture Using the ADCIRC+SWAN Model in Houshui Bay, China显示文摘The current storm wave hazard assessment tends to rely on a statistical method using wave models and fewer historical data which do not consider the effects of tidal and storm surge.In this paper,the wave-current coupled model ADCIRC+SWAN was used to hindcast storm events in the last 30 years.We simulated storm wave on the basis of a large set of historical storms in the North-West Pacific Basin between 1985 and 2015 in Houshui Bay using the wave-current coupled model ADCIRC+SWAN to obtain the storm wave level maps.The results were used for the statistical analysis of the maximum significant wave heights in Houshui Bay and the behavior of wave associated with storm track.Comparisons made between observations and simulated results during typhoon Rammasun(2014)indicate agreement.In addition,results demonstrate that significant wave height in Houshui Bay is dominated by the storm wind velocity and the storm track.Two groups of synthetic storm tracks were designed to further investigate the worst case of typhoon scenarios.The storm wave analysis method developed for the Houshui Bay is significant in assisting government's decision-making in rational planning of deep sea net-cage culture.The method can be applied to other bays in the Hainan Island as well. | YIN Chao HUANG Haijun WANG Daoru LIU Yanxia GUO Ziyue | 2020 | Journal of Ocean University of China2020，19，2： | 2 |
| 3 | Wave Extraction with Portable High-Frequency Surface Wave Radar OSMAR-S显示文摘High frequency surface wave radar(HFSWR) has now gained more and more attention in real-time monitoring of sea surface states such as current, waves and wind. Normally a small-aperture antenna array is preferred to a large-aperture one due to the easiness and low cost to set up. However, the large beam-width and the corresponding incorrect division of the first- and second-order Doppler spectral regions often lead to big errors in wave height and period estimations. Therefore, for the HFSWR with a compact cross-loop/monopole antenna(CMA), a new algorithm involving improved beam-forming(BF) and spectral division techniques is proposed. On one hand, the cross-spectrum of the output sequence by the conventional beam-forming(CBF) with all the three elements and the output with only the two loops is used in place of the CMA output self-spectrum to achieve a decreased beam-width; on the other hand, the better null seeking process is included to improve the division accuracy of the first- and second-order regions. The algorithm is used to reprocess the data collected by the portable HFSWR OSMAR-S during the Sailing Competition of the 16 th Asian Games held in Shanwei in November 2010, and the improvements of both the correlation coefficients and root-mean-square(RMS) errors between the wave height and period estimations and in situ buoy measurements are obvious. The algorithm has greatly enhanced the capabilities of OSMAR-S in wave measurements. | ZHOU Hao ROARTY Hugh WEN Biyang | 2014 | Journal of Ocean University of China2014，13，6： | 1 |
| 4 | 海洋平台环境设计参数的Plackett Copula分布估计显示文摘利用Plackett Copula分别构造波高、风速及流速的二维及三维概率分布,并用单变量设计法、条件分布众值及均值法及三维联合重现期法获得三个荷载变量的不同组合,计算导管架平台的基底剪力,利用三维概率分布估计变量组合的联合重现期。对结果比较分析可知,单变量设计法所得剪力值远远大于其他方法所得剪力值,其独立分布所得重现期远远大于联合变量的重现期。条件分布所得剪力值的大小取决于主变量的选择。计算表明,波高对剪力的影响最大,当以波高为主值利用条件分布进行计算时,其剪力值最大。以风速、流速为主值的工况,所得平台基底剪力小。利用三维Plackett Copula构造三维联合分布进行平台设计参数的估计,考虑了变量之间的相关性,与传统的单变量法相比,所得设计环境条件数值减小,将使平台建设成本降低,适用于边际油田的开发。 | 董胜 李静静 | 2015 | 工程力学2015，32，11： | 1 |
| 5 | 浅海石油平台风浪设计准则的比选显示文摘固定式平台是近海区域海洋石油开采的主要装备。由于渤海地区水浅,且纬度相对较高,经常遭受台风与寒潮的影响。为了描述灾害性天气对平台的作用,本文提出了泊松型二维逻辑极值分布,将其用于海洋结构设计中极值风速与波高的联合概率计算,实现了美国API标准提出的3种风浪参数设计准则。并以石油平台的基底剪力为例,进行了计算对比。算例表明,与传统的单因素设计标准比较,新的分布模型可以反映风速与波高对海洋结构的联合作用,使得基底剪力设计值降低。 | 樊敦秋 董胜 | 2013 | 中国海洋大学学报(自然科学版)2013，43，6： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员