week 5 Oceans

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University Of Arizona *

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218

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Geography

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Oct 30, 2023

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docx

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Uploaded by CommodoreKuduMaster925

Week 7: Oceans What direction does large ocean gyres spin in northern hemisphere? Southern hemisphere? https://earth.nullschool.net What side of continents are receiving warm water heading poleward? What side of continents are receiving cold water coming down from the poles? Extra credit link: https://earth.nullschool.net/#current/ocean/surface/currents/orthographic=- 69.68,13.13,443 What is Fetch? Duration? What is necessary for a fully developed sea? Where on the sea curve would you like to surf? Sail? Why are there bigger waves on west coast? Is there much movement in the water depth that is below ½ the wavelength? What causes waves to form breakers and/or fall over? What are the causes of a rogue wave? How tall have rogue waves been measured? https://oceanservice.noaa.gov/facts/roguewaves.html http://www.dailymotion.com/video/x225ztn (@11:53) What is necessary to create rogue wave in a lab? https://www.youtube.com/watch? v=QWWe9PMuVng&feature=emb_logo For more experiences check out this Deadliest Catch rogue experience: https://www.youtube.com/watch?v=l_8hOai9hGQ What natural phenomena cause a tsunami? In the HTEW Hawaiian tsunami video what has happened to Hawaii in the past that threatens pacific shores? Why does an underwater megathrust create such large tsunamis at the surface? How fast do tsunamis travel in open ocean? Shallow water? Is that very fast?

https://www.youtube.com/watch?v=SptdhYet1-M Does the first tsunami wave always rush up the shore? What else might happen? Where are most tsunamis generated? Do the waves only hit shores in that ocean? Why was the Sumatra tsunami so large? https://www.youtube.com/watch?v=RDOuwMj7Xzo Were the earthquake waves felt in Tucson? For how long were they felt? How long did it take for Sumatra tsunami waves to hit Africa? What caused the shores to subside around Sumatra? What was the incoming surge like in Japan? https://www.youtube.com/watch?v=3618dZoiaPE What did the tsunami do to the cities it rushed through? https://www.youtube.com/watch? v=sBtRIRiTJqA In the HTEW video in japan what happened to the 200’ fishing vessel as it was swept ashore? Why did the 6m tall sea wall not protect Japanese cities? Where has the debris gone? Why did the Fukushima Dai-ichi nuclear power plant overheat?

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