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Ryan Good, David Nguyen, Hossein Bonakdari, Andrew Binns and Bahram Gharabaghi
Predicting morphological adjustments in alluvial meandering streams remains a challenging task due to the complex nature of the governing inter-related dynamic flow and sediment transport processes. This difficulty is increased in streams with irregular ...
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Iskander Abroug, Reine Matar and Nizar Abcha
The understanding of the occurrence of extreme waves is crucial to simulate the growth of waves in coastal regions. Laboratory experiments were performed to study the spatial evolution of the statistics of group-focused waves that have a relatively broad...
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Hangyu Chen, Yinglei Bu, Kun Zong, Limin Huang and Wei Hao
The working condition of the floating platform will be affected by wind and waves in the marine environment. Therefore, it is of great importance to carry out real-time prediction research on the mooring load for ensuring the normal operation of the floa...
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Carson L. Running and Thomas J. Juliano
The global surface pressure was measured on a 7°
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half-angle circular cone/flare model at a nominally zero angle of attack using pressure-sensitive paint (PSP). These experiments were conducted to illustrate fast PSP?s usefulness and effectiveness at m...
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Alberto Belussi, Sara Migliorini and Ahmed Eldawy
In recent years, several extensions of the Hadoop system have been proposed for dealing with spatial data. SpatialHadoop belongs to this group of projects and includes some MapReduce implementations of spatial operators, like range queries and spatial jo...
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Penggen Cheng, Zhenyang Hui, Yuanping Xia, Yao Yevenyo Ziggah, Youjian Hu and Jing Wu
Most filtering algorithms suffer from complex parameter settings or threshold adjusting. To solve this problem, this paper proposes an improved skewness balancing filtering algorithm based on thin plate spline (TPS) interpolation. The proposed algorithm ...
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Carlos Astudillo-Gutierrez, Iván Cáceres Rabionet, Vicente Gracia Garcia, Joan Pau Sierra Pedrico and Agustín Sánchez-Arcilla Conejo
An analysis of the interactions between wave-induced velocities and seagrass meadows has been conducted based on the large-scale CIEM wave flume data. Incident irregular wave trains act on an initial 1:15 sand beach profile with measurement stations from...
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Alexandra Baicoianu and Ion Valentin Scheianu
The term ?big data? refers to the vast amount of structured and unstructured data generated by businesses, organizations, and individuals on a daily basis. The rapid growth of big data has led to the development of new technologies and techniques for sto...
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Yanyuan Zhang and Xintong Wu
Insurance purchase and organization participation in risk management is of great practical significance for stabilizing agricultural production and household income. The aims of this study were to analyze farm households? choices of insurance purchase an...
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Jinzhao Ren and Huiqun Yuan
Engineering surfaces exhibit asymmetrical height distributions due to certain types of surface finishing and running-in process. This non-Gaussian surface reflects different contact performances and tribological properties. In this paper, the influence o...
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Xiaomei Ji, Liming Huang, Wei Zhang and Peng Yao
Tidal current asymmetry, an important factor for waterborne substance transport, is strongly affected by the changing shoreline. Lingding Bay (LDB), located in the center of the Guangdong-Hong Kong-Macao Greater Bay Area, has suffered great shoreline cha...
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Jong Kwan Kim
As high vessel traffic in fairways is likely to cause frequent marine accidents, understanding vessel traffic flow characteristics is necessary to prevent marine accidents in fairways. Therefore, this study conducted semi-continuous spatial statistical a...
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Jong Dae Do, Yeon S. Chang, Jae-Youll Jin, Weon Mu Jeong, Byunggil Lee and Ho Kyung Ha
This paper reports the results of hydrodynamic measurements at two different water depths to observe wave properties in the course of wave propagation, especially during storm periods, in Hujeong Beach, Korea. In addition to hydrodynamic measurements, vi...
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Pham Thanh Nam, Joanna Staneva, Nguyen Thi Thao and Magnus Larson
A new parameterization for calculating the nonlinear near-bed wave orbital velocity in the shallow water was presented. The equations proposed by Isobe and Horikawa (1982) were modified in order to achieve more accurate predictions of the peak orbital ve...
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Marcio Boechat Albernaz, Gerben Ruessink, H. R. A. (Bert) Jagers and Maarten G. Kleinhans
Sandy coasts evolve as a result of sand transport by waves and tides. Wave-generated flows near the seabed stir the sand into the water column, which can subsequently be transported in cross-shore and alongshore directions. As waves move shoreward into s...
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Floris de Wit, Marion Tissier and Ad Reniers
Field measurements of waves and currents were obtained at ten locations on an ebb-tidal shoal seaward of Ameland Inlet for a six-week period. These measurements were used to investigate the evolution of the near-bed velocity skewness and asymmetry, as th...
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Misael Lopez-Ramirez, Luis Ledesma-Carrillo, Eduardo Cabal-Yepez, Carlos Rodriguez-Donate, Homero Miranda-Vidales and Arturo Garcia-Perez
In electric power systems, there are always power quality disturbances (PQDs). Usually, noise contamination interferes with their detection and classification. Common methods perform frequency or time-frequency analyses on the power distribution signal f...
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Unbreen Arif,Muhammad Tayyab Sohail
Pág. 243 - 255
The development of asset pricing model is attributed to Markowitz (1952) which initiated towards Modern Portfolio Theory (MPT). The whole concept of MPT based on normality of returns assumption but in emerging economies volatility of returns is an import...
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Samantha Kularatne and Charitha Pattiaratchi
Results from a series of field experiments, conducted to investigate the influence of infragravity waves (from wave groups), ripple type and location relative to the breaker line on cross-shore suspended sediment flux close to the sea bed in nearshore en...
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Hiromitsu Kobayashi, Chorong Song, Harumi Ikei, Bum-Jin Park, Juyoung Lee, Takahide Kagawa and Yoshifumi Miyazaki
The purpose of this study was to evaluate the effect of a forest environment on salivary cortisol concentration, particularly on the characteristics of its distribution. The participants were 348 young male subjects. The experimental sites were 34 forest...
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