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Directional energy spectra of the sea from photographs
- https://agupubs.onlinelibrary.wiley.com/doi/10.1029/JB074i008p01974
- The image of the sun reflected by the sea surface is called sun glitter or sun glint. The relationship of the glitter pattern to the distribution of slopes on the surface is well known, but this ef...
Directional energy spectra of the sea from photographs
- https://ui.adsabs.harvard.edu/abs/1969JGR....74.1974S/abstract
- The image of the sun reflected by the sea surface is called sun glitter or sun glint. The relationship of the glitter pattern to the distribution of slopes on the surface is well known, but this effect is of little use in determining a wave spectrum because glitter does not provide a continuous representation of a wave parameter. A generalization of the glitter concept, in …
Directional energy spectra of the sea from photographs
- https://www.semanticscholar.org/paper/Directional-energy-spectra-of-the-sea-from-Stilwell/15bfd0512d9bfbfc9cdb01437422f67b7b530c26
- The image of the sun reflected by the sea surface is called sun glitter or sun glint. The relationship of the glitter pattern to the distribution of slopes on the surface is well known, but this effect is of little use in determining a wave spectrum because glitter does not provide a continuous representation of a wave parameter. A generalization of the glitter concept, in which the point ...
The Ocean Wave Directional Spectrum | Oceanography
- https://tos.org/oceanography/article/the-ocean-wave-directional-spectrum
- The directional spectrum S (k) [or S (f,θ)] measures the distribution of wave energy in wave number, k, (or frequency, f) and direction. Different contributions to local wave energy, e.g., swell from distant storms and locally wind-generated waves, can be identified in a measurement of the directional spectrum (see Fig. 1).
THE OCEAN WAVE DIRECTIONAL SPECTRUM
- https://www.tos.org/oceanography/assets/docs/10-2_wyatt.pdf
- sures the distribution of wave energy in wave number, k, (or frequency, f) and direction. Differ- ent contributions to local wave energy, e.g., swell from distant storms and locally wind-generated waves, can be identified in a measurement of the directional spectrum (see Fig. …
Directional spectra of surface waves from photographs
- https://ui.adsabs.harvard.edu/abs/1974JGR....79.1277S/abstract
- A method is developed in which the spectrum of ocean surface waves may be deduced from oblique photographs. The method consists of determining the change of surface brightness with variations of surface slope and measuring the diffraction pattern of the photographic negative. The diffraction pattern, obtained by a coherent optical processor, is then related to the two …
A new directional wave spectra characterization for
- https://www.sciencedirect.com/science/article/pii/S0360544220319356
- A new directional wave spectra characterization for offshore renewable energy applications. ... Globally wave power resource was estimated at 3.7 TW, which can be 20% lower if areas with energy lower than 5 kW/m or impacted by sea ice are excluded . The wave energy resource is more abundant in the Southern Hemisphere than in the Northern ...
Measuring the ocean wave directional spectrum ‘First …
- https://link.springer.com/article/10.1007/s10236-018-1235-8
- The inversion method used to obtain the data presented in this paper (Wyatt 1990; Green and Wyatt 2006) provides the ocean wavenumber directional spectrum at each measurement location with sufficient second-order signal to noise.It is an iterative method, initialised with a Pierson-Moskowitz spectrum (Pierson and Moskowitz 1964) and a uni-modal …
Directional Spreading - an overview | ScienceDirect Topics
- https://www.sciencedirect.com/topics/engineering/directional-spreading
- 5.5 Directional Spreading. The directional frequency spectrum, F ( f, θ), as defined by ( 2.52 ), is commonly represented in terms of the one-dimensional spectrum, F ( f ), as ( Longuet-Higgins et al, 1963) The directional spreading function, D ( f, θ) must satisfy the condition. Based on field data, analytical forms for D ( f, θ) have been ...
Design Principles for Ocean Vehicles (13.42) - MIT …
- https://ocw.mit.edu/courses/mechanical-engineering/2-22-design-principles-for-ocean-vehicles-13-42-spring-2005/readings/r8_wavespectra.pdf
- Statistics of Random Sea Waves Spectra of Random Processes . Gaussian and Poisson Distributions . 10 Long Term Wave Statistics Wave Spectra and Short/Long Term Statistics 11 Exam 1: In-class II. Wave and Current Forces on Bodies: 12 Designing for Extreme Events: 100 Year Waves 13 Fluid Forces on Bodies: Viscous and Inertial Forces
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