Sea Floor TectonicsAtlantic oceanic ridgePassive Continental MarginPassive continental Margin—locationPassive continental Margin—cross sectionDeep sea sediment fansTurbidity currentDiscovery of Turbidity CurrentsSea-floor landforms—CaliforniaActive Continental MarginsActive continental Margin—locationActive continental Margin—cross sectionDeep-Ocean TrenchesAtlantic Ocean FloorPacific and Indian Ocean FloorKaikoChallenger Deep shrimpConvergent Lithospheric PlatesAtoll formationAtollOceanic PlateausAlvinOceanic Ridge--AtlanticOceanic Ridge—IndianOceanic Ridge—PacificOceanic plate divergenceRift valleys on oceanic ridgesFormation of Black SmokerBlack Smoker with tube wormsPacific Lithosphere ActionOffshore oil platformMethane Hydrate sampleMethane Hydrate burningSalt productionManganese NodulesOcean WaterDiver on reefComposition pie chartsSeawater recipeWater variationrunoffIceberg calvingevaporationSea iceChanges with latitudethermoclinePycnoclineDensity distribution of sea waterDesalinization plantPhytoplanktonzooplanktonNekton--sharksNekton--squidNekton--gruntsNekton—moray eelBenthon—sea starBenthos—tube spongeBenthon—sea urchinBenthon--crabLife zonesMarine life zonesTube worms at deep sea ventBlack smokerProductivity of polar seasTropical stratification of sea waterProductivity of mid-latitude seasSeasonal variation with latitude comparisonFood web exampleFood web flow chartDynamic OceanBig SurSurface currents—Feb-MarNo Coriolis EffectCoriolis EffectflotsamFlotsam pathFranklin chart of Gulf StreamSatellite sea surface temperature of Gulf StreamSatellite + Franklin’s chartCoastal Upwelling shown by chlorophyll content of waterSea iceConveyor belt of circulationCoastal zonesWave terms, water pathOrbital movement of toy boatBreakers formCoastal erosion of bouldersUndercut cliff--BCUndercut cliff—Laguna, CAWave refractionBeach driftWave cut platform, uplifted terraceArch and stack--BajaBaymouth bar, spit—Martha’s VineyardBarrier islands—North CarolinaBarrier islands—south TexasCoastal evolutionArch forms on headlandSea archStack, tomboloTomboloEroded coastline featuresSpitStilt housesBeach groins--SussexBreakwater—Santa MonicaNew Jersey seawallMiami—no beachMiami—beach!Beach nourishment--MiamiLighthouse-movingSubmergent coastlineSea Floor TectonicsEarth ScienceChapter 13, p. 164-174Earth Science: Ch 13—p. 364-374Atlantic oceanic ridgePassive Continental Margin• Continental shelf• Continental slope• Continental risePassive continental Margin—locationPassive continental Margin—cross sectionDeep sea sediment fansTurbidity currentDiscovery of Turbidity CurrentsSea-floor landforms—CaliforniaActive Continental Margins• Narrow continental shelf• Deep sea trench catches terrigenous sediment• ‘Accretionary Wedge’Active continental Margin—locationActive continental Margin—cross sectionDeep-Ocean Trenches• Active continental margins• Other convergent plate locations• Most are in the Pacific OceanAtlantic Ocean FloorPacific and Indian Ocean FloorKaiko•ROV• 10,990 m• 1995Challenger Deep shrimphttp://www.mext.go.jp/english/news/1998/07/980705.htmConvergent Lithospheric Plates• Oceanic plate is subducted• Deep-ocean trench is formed• Volcanism above subducted plateAtoll formationAtollOceanic Plateaus• Figure 10-19—Oceanic PlateausAlvin• Manned• 4000 m maximum depthOceanic Ridge--AtlanticOceanic Ridge—IndianOceanic Ridge—PacificOceanic plate divergencehttp://www.soc.soton.ac.uk/CHD/classroom@sea/carlsberg/science/constructive_margins.htmlRift valleys on oceanic ridgesFormation of Black Smokerhttp://www.paedquest.de/Riff_Tiefsee_Mangroven_neu/tiefsee/content/geobsm01.htmlBlack Smoker with tube wormshttp://www.pbs.org/wgbh/nova/abyss/life/extremes2.htmlPacific Lithosphere Actionhttp://www.soc.soton.ac.uk/CHD/classroom@sea/carlsberg/science/oceanic_constr.htmlOffshore oil platformMethane Hydrate sampleMethane Hydrate burningSalt productionManganese NodulesOcean WaterEarth Science Chapter 14Diver on reefComposition pie chartsSeawater recipeWater variationrunoffIceberg calvingevaporationSea iceChanges with latitudethermoclinePycnoclineDensity distribution of sea waterDesalinization plantPhytoplanktonzooplanktonNekton--sharksNekton--squidNekton--gruntsNekton—moray eelBenthon—sea starBenthos—tube spongeBenthon—sea urchinBenthon--crabLife zonesMarine life zonesTube worms at deep sea ventBlack smokerProductivity of polar seasTropical stratification of sea waterProductivity of mid-latitude seasSeasonal variation with latitude comparisonFood web exampleFood web flow chartDynamic OceanEarth ScienceChapter 15Pages 404-426Big SurSurface currents—Feb-MarNo Coriolis EffectCoriolis EffectflotsamFlotsam pathFranklin chart of Gulf Stream• 1769Satellite sea surface temperature of Gulf StreamSatellite + Franklin’s chartCoastal Upwelling shown by chlorophyll content of waterSea iceConveyor belt of circulationCoastal zonesWave terms, water pathOrbital movement of toy boatBreakers
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