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History of Oceanography http://www.oceansonline.com/challenger_ex.htm
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Micronesian - Polynesian colonization of Pacific Ocean Islands 5000 – 1000 BP Micronesian & Polynesian colonized Pacific Islands Advanced Open Ocean Navigation Double Hull Canoes
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http://www.monash.edu.au/APJCN/Vol4/Num4/44p361.htm
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Hurles et al 2003
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Polynesian Colonization http://leahi.kcc.hawaii.edu/org/pvs/
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Polynesian Sidereal Compass http://www.museum.upenn.edu/Navigation/sailing/
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Polynesian Sidereal Compass http://www.museum.upenn.edu/Navigation/sailing/
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Example Navigation Leg http://www.museum.upenn.edu/Navigation/sailing/
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Early Ocean Mapping Polynesians
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Mediterranean Cultures 6000 BP Egyptians boats with oars 3100-2850 BP Phoenicians travel through Mediterranean & up to England –Mediterranean wide maritime trade –Coastal settlements –Coastal navigation
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Phoenician Ships http://www.barca.fsnet.co.uk/phoenecian-ships.htm
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http://go.hrw.com/venus_images/0298MC02.gif
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http://www.mauigateway.com/~donjusko/final.htg/murexbrandaris_trunculus.jpg http://www.loretonh.nsw.edu.au/religion
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Mediterranean Cultures 6000 BP Egyptians boats with oars 3100-2850 BP Phoenicians travel through Mediterranean & up to England –Mediterranean wide maritime trade –Coastal settlements –Coastal navigation Greek and Roman Civilizations
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http://www.nrlmry.navy.mil/~cannon/medports/Gibraltar/roll_cloud.html
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Middle Ages Chinese Invent Magnetic Compass Vikings and Basque Travel to N. America Arabs cross navigate Indian Ocean Christopher Columbus “Discovers” America Juan Sebastian Elcano – First Round the World voyage (24 of 260 sailors) James Cook’s Voyages (chronometer)
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Chronometer for Longitude
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Lemons for Scurvey
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Benjamin Franklin & Timothy Folger (1769)
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Voyage of the HMS Beagle 1831-1836
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Evolution of Coral Reefs Fringe reefs Barrier reefs Atolls
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Edward Forbes (1840’s) Bottom Dredging in E. Mediterranean 8 Depth zones, based on different organisms AZOIC Zone below 600m –Azoic Theory –Too cold, too dark, no oxygen –No Life
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Challenger Expedition (1872 – 1876) HMS Challenger 226’ fixed rig Corvette 230 crewmembers; 7 Scientists 125000 km Objectives –Map Ocean’s bottom –Investigate the Azoic Zone –Search for ‘Primitive Organisms’ (stable environment) –Study Bathybeus haecklii (Huxley); “primordial slime”
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HMS Challenger
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HMS CHALLENGER 1872 – 1876
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Challenger Expedition (1872 – 1876) Scientific Results - 50 Volumes (23 Years) –Extensive Bathymetric Maps –No Azoic zone –Found temperature variability in deep waters (not all 4 o C) –No Evidence of “primitive fauna” –Description of 4717 new species –Bathybeus haecklii = Alcohol precipitate of carbon sulphate –Discovery Mid-Atlantic Ridge and Marianas Trench
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SIO
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WHOI
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Ocean Resources
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http://www.greenet.pl/piosta/gal/bona_2_star.jpg
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http://www.news.navy.mil/management/photodb/photos/030110-N-9851B-082.jpg
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http://www.news.navy.mil/management/photodb/photos/960916-V-0000B-009.jpg
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http://www.photolib.noaa.gov/
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Ocean Resources Fisheries Transportation & Trade Military Use Offshore Oil, Gas & Minerals Recreation & Aesthetics
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Law of the Sea Treaty - 1973 Territorial Seas - 12 nm Procedures for Ocean boundaries Right of Free Passage through Straits Exclusive Economic Zones –200 nm –Can extend out to 350nm –Jurisdiction over: Fisheries Pollution Scientific Research Mineral Resources
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www.whoi.edu
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South China Territorial Claims
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www.bbc.co.uk/
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Production ( million tonnes) 50 100 180018401880192019602000 Year EEZs Claims Global Trend in Fishery Landings
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Fishery induced changes in world fish composition
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Greenhouse Effect
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