نتایج جستجو برای: beach slope

تعداد نتایج: 61841  

2017
V. Joevivek N. Chandrasekar

The chronicles of nearshore morphology and surficial beach deposits provide valuable information about the nature of the beach condition and the depositional environment. It imparts an understanding about the spatial and temporal relationship of nearshore waves and its influence over the distribution of beach sediments. This article contains data about wave and sediment dynamics of the ten sand...

Journal: :Marine pollution bulletin 2004
David Turbow Ting Hsiang Lin Sunny Jiang

Following a major beach closure due to bacterial contamination, a survey of beachgoers was conducted in Huntington Beach, California in 1999 to assess perceived health risk from swimming. Responses were compared to those of beachgoers at the unaffected Laguna Main Beach. No significant differences were found in risk perception. Respondents were aware of the closures (83%), yet the majority (83%...

2011
M. Convertino J. F. Donoghue M. L. Chu-Agor G. A. Kiker R. Munoz-Carpena R. A. Fischer I. Linkov

22 In this paper the realized niche of the Snowy Plover (Charadrius alexandrinus), a 23 primarily resident Florida shorebird, is described as a function of the scenopoetic and 24 bionomic variables at the nest-, landscape-, and regional-scale. We identified some pos25 sible geomorphological controls that influence nest-site selection and survival using data 26 collected along the Florida Gulf c...

2006
Yu-Hsuan Chang Hwung-Hweng Hwung

The objective of this study was to investigate experimentally solitary waves run-up on sloping beaches. Conducted in the Super wave flume(5m×5.2m×300m) and the Large wave flume(2m×2m×200m)at Tainan Hydraulics Laboratory (THL), solitary waves were generated by moving the wave board forward in the manner of ramp-trajectory and solitary-wave-trajectory separately to simulate the various of wave he...

2005
David B. King

This Coastal and Hydraulic Engineering Technical Note (CHETN) summarizes the state of understanding of the influence of grain size on surf zone sediment transport and is a companion to Smith et al. (2004). This CHETN discusses details of bed-load and suspended load transport, and the classical bed-load regime is shown to encompass two distinct modes of transport. Four LST models with varying le...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2012
Yang-Yih Chen Meng-Syue Li Hung-Chu Hsu Chiu-On Ng

A third-order asymptotic solution in Lagrangian description for nonlinear water waves propagating over a sloping beach is derived. The particle trajectories are obtained as a function of the nonlinear ordering parameter ε and the bottom slope α to the third order of perturbation. A new relationship between the wave velocity and the motions of particles at the free surface profile in the waves p...

2011
M. Convertino J. F. Donoghue M. L. Chu-Agor G. A. Kiker R. Muñoz-Carpena R. A. Fischer I. Linkov

22 In this paper the realized niche of the Snowy Plover (Charadrius alexandrinus), a 23 primarily resident Florida shorebird, is described as a function of the scenopoetic and 24 bionomic variables at the nest-, landscape-, and regional-scale. We identified some pos25 sible geomorphological controls that influence nest-site selection and survival using data 26 collected along the Florida Gulf c...

Journal: :Journal of Ocean Engineering and Technology 2021

Owing to the advantages of assuring best views and seawater exchange, submerged breakwaters have been widely installed along eastern coast Korea in recent years. It significantly contributes promoting advancement shorelines by partially inhibiting incident wave energy. Observations were carried out a pressure-type gauge Bongpo Beach evaluate coefficients transmission via breakwater, results obt...

Journal: :Science 1981
D G Herd T L Youd H Meyer J L C W J Person C Mendoza

Southwestern Colombia and northern Ecuador were shaken by a shal-low-focus earthquake on 12 December 1979. The magnitude 8 shock, located near Tumaco, Colombia, was the largest in northwestern South America since 1942 and had been forecast to fill a seismic gap. Thrust faulting occurred on a 280- by 130-kilometer rectangular patch of a subduction zone that dips east beneath the Pacific coast of...

Journal: :Journal of Marine Science and Engineering 2021

The purpose of this study was to determine how vulnerable the west coast Aceh Besar, province, Indonesia, is in terms its coastal morphology. This research conducted from August December 2020 and data processing carried out at Geographical Information Systems Laboratory, Faculty Marine Affairs Fisheries, Syiah Kuala University. method used vulnerability index (CVI) with four geological paramete...

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