"Waves beneath the Sea" Phenomenon Physics Field Experiment Teaching Aspects.

Slides:



Advertisements
Similar presentations
Tides.
Advertisements

Waves Anatomy of wave – Wave- transmission of energy through matter – Longitudinal wave- matter oscillates in same direction of energy transmission –
Affects on the Ocean Shore Zone
Section 2 and 3 Ocean Waves and Tides
WAVES.
Waves and Tides. Wave Characteristics Most ocean waves are energy passing through water caused by the wind Crests are the top of the waves Troughs are.
Tides and Currents Review sheet Answers
9.2 Ocean Waves, Tides and Currents
The Ocean General Circulation (satellite)
A Voyage of Discovery Physical oceanography Instructor: Dr. Cheng-Chien LiuCheng-Chien Liu Department of Earth Sciences National Cheng Kung University.
Section 1: What Is Earth Science?
The Earth Science Game Show PlanetsEnergyFuelLandformsLife.
Chapter 3: Chemical and Physical Features of Water and the World Ocean. Marine Biology Mr. Swift.
Tides, Currents, and Waves. What are tides? Tides are changes in ocean water level that takes place in a regular pattern. The first scientist to explain.
Waves How Does Ocean Water Move?
Waves. What processes drive ocean waves?  If you have ever been to the beach or sailed on the sea, you know the ocean’s surface has many faces.  Sometimes.
UNIT III: MOTION IN THE OCEAN ENTRY WORK KL OCEANOGRAPHY.
Welcome!. Earth Science What is Earth Science? Earth science - the scientific study of Earth and the universe around it Earth science - the scientific.
WAVES, CURRENTS, TIDES. Q: TIDES …What are they? A: periodic rise and fall of large bodies of water.
Weather and Water Monday February 25th Session Topics Hurricanes Weather Fundamentals A review of Cloud & Weather observations from 2/17 -2/15 Observations.
Currents and Waves. Surface Currents Ocean Circulation Patterns –Winds are the primary driving force –Relationship between oceanic circulation and atmospheric.
Section 5.4 Gravity Waves. Gravity Waves Gravity acts as the restoring force on parcels displaced from hydrostatic equilibrium. Pure gravity exists when.
Currents and Climates Surface climates greatly affect the climate in many parts of the world.
RD Instruments Home of the ADCP Coastal & Inland Business Unit 1. Why Waves? 2. Waves Features 3. Waves Observed.
WAVES TIDES. WHAT IS A WAVE? A wave is the transmission of energy through matter. When energy moves through matter as a wave, the matter moves back or.
What causes ocean waves?
Chapter 9 part 3 The Sea Physical science 1020 C.
WAVES By: Bridget Pettit & Victor Perez. Waves are a result of forces acting on the surface of the water. GENERATIONG FORCES : is a forces (ie rock or.
What is marine? Marine biology is the scientific study of the organisms that live in the sea Different disciplines involved overlap Geological oceanography-
Ch. 3: Chemical & Physical Features of Seawater & the World Ocean Motion in the Ocean.
Dr Mark Cresswell FOLLOWED BY: Sea-level Practical Oceans and Climate 69EG5513 – Climate & Climate Change.
Warm Up – top of page 25 1.What are the 3 major wind patterns in the Northern Hemisphere? 2.How does the Great Ocean Conveyor Belt work? 3.What is a seasonal.
Energy Transfer in the Atmosphere (51) Energy is reflected back into space by clouds, particles, and Earth's surface. Some is absorbed by the atmosphere.
Introduction to Earth Science Section 1 Name the four main branches of Earth science. Discuss how Earth scientists help us understand the world around.
Ocean Motion Reading Section 1 A. Oceans A. Oceans B. 1. Condensed B. 1. Condensed 2. Basins 2. Basins C. gases, dissolved salts 1. Salts 2. Steady state.
Study Notes for Chapter 1 Introduction to Earth Science.
Surface and bottom topography of the oceans. How do we measure seafloor topography? Why is ocean bathymetry important? Questions:
Why ocean bathymetry?. How do we measure bathymetry? Why is ocean bathymetry important? Questions:
How Convection Currents Affect Weather and Climate.
Physical and Chemical Oceanography Part 1: Chemistry.
Oceans Explain how waves, currents, tides, and storms affect the geological features of the ocean shore zone (including beaches, barrier islands,
The Waves An Introduction to the World’s Oceans Sverdrup et al. - Chapter Ten - 8th Ed.
What is Earth Science?. Science Science Means: A process of observing and studying things in our world. It is also: A method of solving problems You use.
Processes Affecting Beaches Waves, Currents and Tides.
Here’s Your Earth Science SOL Breakdown... what you’re going to face on May 23rd, 2012 Geology … 60 Total Questions 10 Field Questions … will not count.
The Sea 1 The Sea. The Sea 2 Introductory Question You float motionless in an inner tube, just far enough from the shore that the waves aren’t breaking.
Oceanography Merit Badge
Section 1: What Is Earth Science?
9/9/16 WHAT IS EARTH SCIENCE?
WAVES.
Waves Transfer of energy moving through a medium
The Earth Science Game Show
Hydrosphere (Saltwater)
The Earth Science Game Show
The Sea and Surfing.
Water and the Atmosphere - Chapter 2 Lesson 2
DO NOW!! We are going to be learning about oceanography AND marine biology in here Write down what you think the difference is between the 2 If you don’t.
Chapter 14 Section 3 Waves Bellringer
Chapter 16.2 Waves and Tides.
Waves Page 49 in Notebook.
16.2 – Waves and Tides.
Section 3: Ocean Movements
Lets Review! Handout 10 Waves
Oceans & Atmosphere Ocean Currents / Waves / Tides
Chapter 1 Made of 4 fields: What is Earth Science?
Ocean Waves and Tides.
Ocean Waves and Tides.
Waves and Tides Earth Science 6th Grade.
“Waves & Tides” 16.2.
Presentation transcript:

"Waves beneath the Sea" Phenomenon Physics Field Experiment Teaching Aspects

Dan Kelley Oceanography Dept. Dalhousie University ~kelley/ papers/ presentations/ 2001/ AST

"Dead" water Boat slows to a crawl surfing internal wake Nansen observation 189x Ekman explanation 1904

External and Internal Waves: restoring forces External waves: gravity g Internal waves: reduced gravity g=g  /  0

Physics of Waves Restoring force key to all oscillators!

Class Experiment [1]

Class Experiment [2]

Internal Waves in Atmosphere [1] Wave crests... rising air... condensation clouds.

Internal Waves in Atmosphere [2]

Banded Surface Slicks Convergent zones over troughs Sweeps oil into lines Visible by eye, radar, satellite, etc.

Ocean from Airplane

Ocean from Space

Ship Radar Internal waves yield banded slicks banded roughness surface signature of internal waves

SurfaceTidal Bore

Physics of (Tidal) Bore

Other Surface Bores [1]

Other Surface Bores [2]

Peter Galbraith PhD at Dalhousie Mixing, internal waves, estuarine physics Works at DFO in Quebec

Internal Tidal Waves

Chopper - a new type of ship!

Daniel Bourgault PhD at McGill Estuarine physics, ocean modelling, internal waves Works with me at Dalhousie

St. Lawrence Est. Internal Wave

Modelled Internal Wave

View from Shore

St. Lawrence Estuary

Geometrically Corrected View

Enhanced View

Internal Waves on Rotating Planet Wave "phase" goes one way wave "energy" goes another! Important to climate...

Scientific Summary Ocean/atmosphere has internal as well as external waves These waves may break causing ocean mixing affecting biology,... affecting chemistry,... affecting climate...

Teaching Summary Explains cloud patterns Explains "dead water" Illustrates universality of Physics (here, across Ocean & Atmosphere) Illustrates idea of restoring force Illustrates resonance