Ocean Movements. Wave: A rhythmic movement in which energy is carried through water.

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Presentation transcript:

Ocean Movements

Wave: A rhythmic movement in which energy is carried through water.

Wave Height is determined by: Wind speed Wind speed Wind duration Wind duration Fetch Fetch The amount of water that wind blows across The amount of water that wind blows across

Breakers: Crest out running the trough of the wave Friction slows the bottom of the wave as it comes in to shore

Tides The rise and fall of sea level Huge waves

Spring Tides and Neap Tides

Bay of Fundy Highest high tides in the world

Location: North of New York

Bay of Fundy – Reversing Falls

Reversing Falls

Power from ocean movement

Density Currents or Thermohaline Circulation

Density Currents

Thermohaline Circulation

Wind Patterns

Surface Currents (Winds)

Gyres Ocean currents are influenced by the continental masses around the three oceanic basins. Continents cause these currents to develop a circular pattern.

El Niño Spanish for child (comes around Christmas time) Spanish for child (comes around Christmas time) Causes droughts in places that usually have rain Causes droughts in places that usually have rain Causes floods in places that are usually dry Causes floods in places that are usually dry Starves ocean life by discontinuing upwellings Starves ocean life by discontinuing upwellings Happens every 2 – 7 years Happens every 2 – 7 years

Upwelling: Upward movement of ocean water Driven by winds pushing against surface water Cold deep water is pulled up off the ocean floor Nutrient rich – this feeds ocean life

Normal ConditionsEl Niño Conditions La Niña Conditions

National Geographic: El Nino

October 29, 2009 October 29, 2009 Here's the good - and bad - news: El Niño strengthens > Posted by Ken Kaye on October 29, :00 AM Here's the good - and bad - news: El Niño strengthens > Posted by Ken Kaye on October 29, :00 AM El Niño has grown to moderate strength, weather experts report. El Niño has grown to moderate strength, weather experts report. weather experts report weather experts report That's good news, as those of us who live in hurricane vulnerable areas well know. That's good news, as those of us who live in hurricane vulnerable areas well know.

El NiñoEl Niño, an abnormal warming of the Eastern Pacific Ocean, suppresses tropical storm formation – and theres still more than a month to go before the end of hurricane season. As winter sets inAs winter sets in, a strengthening El Niño might not be great news for the Southeast, as it is expected to produce wetter and colder conditions than normal. As we reported earlier, it also could spawn severe weather, including tornadoes. The National Weather Service in Miami will hold a press conference today to expound on that.reported earlier In the meantime, Im guessing most are grateful to El Niño for the quiet storm season thus far.