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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT Help at Alexandria, Egypt during the period from 14 to 17 April 2007. Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Indian Ocean wave Modeling

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Beijing, China, 25 to 29 July 2005

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Wave Basic Knowledge

Ocean Wave Modeling

- Hard Computing Approach

- Soft Computing Approach

VirtualWave3D Program

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Wave Basic Knowledge

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

slide4

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Anatomy of a wave

A wave can be regarded initially as an ideal a sinusoidal wave (though the ideal regular waves bears little resemblance to real waves observed at sea  irregular in form and period)

  • Characteristics:
  • H: Height (from crest to trough)
  • L: Wavelength (from crest to crest)
  • T: Period (time required for two successive crests to pass a point)
  • h: Depth of water column below mean surface level

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

slide5

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Anatomy of a wave

A few waves: A case of temporal- and spatial-scales

Waves are classified according to their wave period

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

classifying waves

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Classifying Waves

What characteristics are used to classify waves?

 Disturbing force

 Free waves vs. forced waves

 Restoring force

 Wavelength

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

© 2002 Brooks/Cole, a division of Thomson Learning, Inc.

classifying waves1

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Classifying Waves

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

© 2002 Brooks/Cole, a division of Thomson Learning, Inc.

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Wave Dynamics And Wind Waves

Waves transmit energy across the ocean’s surface.

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

© 2002 Brooks/Cole, a division of Thomson Learning, Inc.

ocean waves

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Ocean Waves

Orbital waves are waves in which the particles of water move in closed circles as the wave passes.

Progressive waves are waves of moving energy in which the wave form moves in one direction along the surface (or junction) of the transmission medium. Orbital waves are a type of progressive wave because the waveform moves forward

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

© 2002 Brooks/Cole, a division of Thomson Learning, Inc.

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

What are the parts of an ocean wave?

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

© 2002 Brooks/Cole, a division of Thomson Learning, Inc.

deep water waves shallow water waves

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Deep Water Waves, Shallow Water Waves

Note the importance of the relationship between wavelength and depth in determining wave type.

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

© 2002 Brooks/Cole, a division of Thomson Learning, Inc.

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

  • Anatomy of wind waves
  • Wind waves:
  • As the wind blows  formation of ripples (capillary waves)
  • As the wind increases in speed  waves become larger (gravity waves)
  • Variety and size of wind-generated waves are controlled by four principal factors:
    • Wind velocity
    • Wind duration
    • Unobstructed distance over which wind blows (fetch)
    • Original sea state

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

factors affecting wind wave development

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Factors Affecting Wind Wave Development

What factors affect wind wave development?

Wind strength - wind must be moving faster than the wave crests for energy transfer to continue

Wind duration - winds that blow for a short time will not generate large waves

Fetch - the uninterrupted distance over which the wind blows without changing direction

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

© 2002 Brooks/Cole, a division of Thomson Learning, Inc.

factors affecting wind wave development1

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Factors Affecting Wind Wave Development

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

© 2002 Brooks/Cole, a division of Thomson Learning, Inc.

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Ocean Wave modeling

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Ocean wave forecasting techniques

Hard computing approach by using WAM (WAve Model)

Soft computing approach by using NNs (Neural Networks)

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Hard computing approach by using WAM

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Numerical wave modeling

  • The most used descriptor of the wave field is the energy density spectrum in both frequency and direction, where is the frequency, and the direction of propagation. This representation is particularly useful because we already know how to interpret what we know about wave physics in terms of the spectral components, .Each component can be regarded as a sinusoidal wave of which we have a reasonably well-understood theory. From this spectrum, we can deduce most of the parameters expected of an operational wave model namely, the significant wave height, the frequency spectrum, the peak frequency and secondary frequency maxima, the directional spectrum, the primary wave direction, any secondary wave directions, the zero-crossing period, etc.

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Wave spectrum

Energy balance equation

Group velocity

Input

Nonlinear

Dissipation

Angular frequency

Direction

Latitude

Longitude

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Third generation models

A classification of wave models into first, second and third generation wave models is also used, which takes into account the method of handling the nonlinear source term

• First generation models do not have an explicit term. Nonlinear energy transfers re implicitly expressed through the and terms.

• Second generation models handle the term by parametric methods, for example by applying a reference spectrum (for example the JONSWAP spectrum or the Pierson/Moskowitz spectrum) to reorganize the energy (after wave growth and dissipation) over the frequencies.

• Third generation models calculate the nonlinear energy transfers explicitly.

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

wam model

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

WAM model
  • The WAM-model is a third generation wave model which solves the wave transport equation explicitly without any presumptions on the shape of the wave spectrum. It represents the physics of the wave evolution in accordance without knowledge today for the full set of degrees of freedom of a 2D wave spectrum.

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

wam model1

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

WAM model

The model was developed at the Max-Planck-Institut Meteorologie in Hamburg (Germany) by S. and K. Hasselmann with the aid of P. Janssen and G. Komen (KNMI, Netherlands), and L. Zambreski and H. (GKSS, Germany, ECMWF, Reading, UK). It has been installed at about 35 institutions world wide and is used for research and also operational application. It is also being applied for interpreting and assimilating satellite wave data.

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

wam development

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

WAM DEVELOPMENT
  • SWAMP STUDY OF 1st AND 2nd GENERATION WAVE MODELS (1984)
  • DEVELOPMENT OF 3rd GENERATION WAVE MODEL GOAL :
    • DEVELOP A 3G WAVE MODEL BASE ON PHYSICS
    • IMPLEMENT A GLOBAL VERSION FOR MEDIUM RANGE FORECASTING
    • DEVELOP NESTED VERSIONS OF WAM
    • PERFORM STUDIES OF DYNAMIC WAVE PROCESSES
    • DEVELOP DATA ASSIMILATION TECHNIQUES

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

wam model2

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

WAM model

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

model physics and dynamics

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Model physics and dynamics
  • The WAM model describes the evolution of a two-dimensional ocean wave spectrum. In contrast to first and second generation models, the third generation model WAM introduces no ad hoc assumptions on the spectral shape. It computes the 2-d wave variance spectrum through integration of the transport equation

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

model physics and dynamics1

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Model physics and dynamics

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Energy balance equation

OceanWave model based on WAM

Wave spectrum

  • Linear wave theory

(wave energy spectrum)

  • Statistical theory of linear random waves

(wave number spectrum)

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

  • SOURCE TERMS S = Sin + Snl + Sds + Sbottom
    • WIND INPUT SOURCE TERM Sin
      • CYCLE 1-3 BASED ON SYNDER (1981)
      • CYCLE 4 BASED ON JANSSEN (1991)
    • NON-LINEAR SOURCE TERM Snl
      • BASED ON HASSELMANN’S THEORIES ON WAVE-WAVE INTERACTIONS
    • DISSAPATION SOURCE TERM Sds
      • BASED ON HASSELMANN’S THEORY OF DISSAPATION DUE TO WHITE CAPPING. TUNING TERM
    • BOTTOM FRICTION SOURCE TERM Sbottom
      • ONLY APPLIES IN SHALLOW WATER

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Soft computing approach by using NNs

(Neural Networks)

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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การประชุมสัมมนาวิชาการ เนื่องในวันสถาปนากรมอุตุนิยมวิทยา

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

OceanWave model based on GRNN (Generalize Regression Nearal Network )

U = wind velocity at 10 m above the mean sea level,

w : wind direction,

F : fetch length,

Hs : significant wave height,

Dw : sea depth

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

slide32

การประชุมสัมมนาวิชาการ เนื่องในวันสถาปนากรมอุตุนิยมวิทยา

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Observing

GRNN

WAM

UNOCAL STATION

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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การประชุมสัมมนาวิชาการ เนื่องในวันสถาปนากรมอุตุนิยมวิทยา

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Observing

GRNN

WAM

HUA-HIN STATION

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

UNOCAL STATION

HUA-HIN STATION

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

slide35

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Create VirtualWave3D Program

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

VirtualWave Algorithm

  • Read Topography (Earth grid points)
  • Read WAM Output of all time steps (every 3 hours)
    • Read Wave Height (WaH)
    • Read Wave Speed (WaS), Wave Direction (WaD)
    • Read Wind Speed (WiS), Wind Direction (WiD)
    • Read Wave Frequency
  • Calculate SWH and ETA of all points
    • SWH = (WaH/2)*Cos(2*PI*WaF*t - WaD)
    • ETA = (WaH/2)*Sin(-2*PI*WaF*t)
  • Visualize and animate all data of all time steps

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Resolution

0.25 degrees = 27.75km

(1 degree = 111km)

Latitude 5N-15N

10 degrees = 41 points

Longitude 95E-105E

10 degrees =41 points

Methodology - Grid

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

SWH(Significant Wave Height) - ETA

SWH Eta

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

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Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Visualization Results - TY Linda 1997

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

slide40

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Visualization Results - TD 2003

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

slide41

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007

Visualization Results - TS Muifa 2004

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Helpat Alexandria, Egypt during the period from 14 to 17 April 2007

Joint Regional Conference on Disaster Relief and Management – International Cooperation & Role of ICT

Heldat Alexandria, Egypt during the period from 14 to 17 April 2007