Upload File

currents waves new light

49
ΓΕΝΙΚΗ ΓΡΑΜΜΑΤΕΙΑ ΑΘΛΗΤΙΣΜΟΥ ΕΛΛΗΝΙΚΗ ΙΣΤΙΟΠΛΟΪΚΗ ΟΜΟΣΠΟΝΔΙΑ Παρουσίαση : Ανδρέας Μπατσής ΘΑΛΑΣΣΙΑ ΡΕΥΜΑΤΑ - ΚΥΜΑΤΙΣΜΟΣ

Upload: vagelis-atzemian

Post on 17-Dec-2014

1.583 views

Category:

Entertainment & Humor


3 download

Report

DESCRIPTION

 

TRANSCRIPT

  • 1. : -
  • 2. : . : .
  • 3.
    • :
    • .
    • .
    • :
    • .
    • .
    • .
    • ...
  • 4.
    • :
    • .
    • .
    • .
    • :
    • .
    • .
  • 5.
    • :
    • .
    • .
    • :
    • ( Streams) - .
    • ( Drift Currents) .
  • 6. : , () . , . Coriolis : ( ). ~15 . ~45
  • 7.
    • ( !!!):
    • .
    • .
    Ekman!
  • 8. : , . . , .
    • Coriolis : ( ).
    • , () .
  • 9.
  • 10.
  • 11. Gulf Stream 240 Km 1,6 Km
  • 12. ( G lobal C onveyor B elt)
    • , , .
    • , , , .
    • .
    • .
    . , .
  • 13. El - Nino
  • 14. El - Nino
  • 15. !!!
  • 16. : ( Waves) . : ... !
  • 17.
    • :
    • .
    • :
    • .
    • .
    • .
    • .
    • .
    • , , ...
  • 18. : .
    • (< 1 sec).
    • (1 - 20 sec).
    • (20 sec 12 h) ( Tsunami).
    • ( > 12 h) ( ) .
    • :
    • .
    • .
  • 19. crest trough ( wavelength) ( height) (amplitude) = H /2 (period) (frequency) (celerity) = L / T
  • 20.
    • L/2 1/23
    • L/2
    L/2 , :
  • 21. & : : > L/2. : ~ L/2. : < L/2.
  • 22. ()
    • L/2 .
    • .
    • .
    • (, Swell ).
  • 23. ()
    • L/2 .
    • .
    • .
    • .
    • .
  • 24.
    • :
    • .
    • .
    • ( Fetch).
    • .
  • 25.
    • :
    • ( L~1-3 cm, C~cm/sec) .
    • (L~ cm - < m/2, = 5-10 Knots) .
    • ( ) ( ~m/2 2m, T ~ sec, ~ Knots, H L ) .
    • ( , L H, C) .
  • 26. , : L/2 , , D

Nonlinear Waves on Collinear Currents with Horizontal ... · Nonlinear Waves on Collinear Currents with Horizontal Velocity Gradient ... Even in linear sense such waves are to grow

Motions of the Ocean Waves, Currents and Tides

Wind, Waves and Currents - University College Londonuceseug/Fluids2/Wind_Turbines/WT_Slide… · Wind, Waves and Currents Specifying Design Conditions for Offshore Wind Farms. Design

CH 3 Waves and Tides. Waves The wind not only drives surface currents, it causes waves

Lo5 waves,currents,coasts

Waves, Currents, and Tides. Waves, Currents, Tides (WCT) Cornell Notes Key TermsNotes Summary:

Waves, Tides, and Currents Science 6. Where are the Oceans? Identify the Oceans Tides Currents Waves The Ocean Floor Ocean Storms

Ocean Currents, Waves, and Tides

The Movement of Ocean Water Chapter 20. Sections Currents Currents Waves Waves Tides Tides

Lecture 5 Waves and Currents. Formation of Waves

CURRENTS, TIDES, AND WAVES. OCEAN CURRENTS Ocean currents are moving streams of water within the ocean. There are two types of currents: surface currents

Waves, Tides, Currents

Types of Waves. Waves Water waves Light waves Sound waves Seismic waves

Light and sound. What do they have in common? Light waves Sound waves Light and sound travel in waves

Currents & Waves Projects

Ocean currents Ocean Waves Tides

Waves, Tides, and Ocean Currents

Offshore Windfarm Design: waves currents

Hydro Energy Hydroelectric, Waves and Tides. Mechanical Energy Due to gravity Hydropower from dams Tides Due to Waves Surface Currents Underwater Currents

Waves. Examples –Water waves –Sound waves –Light waves –Radio waves –microwaves

alternating currents & electromagnetic waves

COASTAL TRAPPED DIURNAL TIDAL WAVES … · Simulated currents (from Nakamura et al. [2000]) Observations of diurnal continental shelf waves and coastal trapped waves Bottom currents

Ocean Currents,Tides And Waves

Tides, Currents, and Waves

DIRECTIONAL EFFECTS OF WINDS, WAVES AND CURRENTS ALONG …

Bellringer: Copy the standard and Essential Question. S6E3d- Explain the causes of waves, currents and tides. Essential Question- How do currents, waves

Modeling Breaking Waves and Wave-induced Currents with ... · PDF fileModeling Breaking Waves and Wave-induced Currents with Fully Nonlinear Boussinesq ... numerical experiments are

PWV LIGHT §Radio Waves §Microwaves §Infrared Light §Visible Light §Ultraviolet Waves §X-Ray Waves §Gamma Waves

Waves, Tides, Currents John Huth Harvard University

Lecture 5 Waves and Currents

S6E3d- Explain the causes of waves, currents and tides. Essential Question- How do currents, waves and tides affect climate?

Light waves

Currents & Waves ProjectsVol. 7 No. 1 The Newsletter For The Aquatic Sciences December 2007 Currents & Waves Projects profiles, ocean waves, water levels, and water temperatures. A

Surf Zone Hydrodynamics: Measuring Waves and Currents

Light Waves Sec 1. Light Waves Strike objects Reflected Absorbed Transmitted