Geography and Oceanography - Chapter 5 pot

... to Hole 1 256 D The ocean floor ages and accumulates sediments Toba (71,000 B.C.) - 3000 times as big as Mt St Helens - - Sulfuric acid and dust blocked sunlight, reducing temperatures 5 C for ... (tephra) Mid-Ocean Ridges Uniform process of mantle melting, lava freezing - magma chambers - effects of spreading rate - segmentation Mt St Helens Water, from slab, p...

Ngày tải lên: 21/07/2014, 18:20

... Your Generation  187 0-1 900 US Railroad system built  194 0-1 970 Interstate highway system  196 0-1 970 Apollo mission to the Moon  1 95 0-1 990 Cold War, nuclear threat  196 0-1 980 Green revolution, ... Arctic Ocean and Sea Ice Marine Energy – Wave Motion Energy generated by waves (Dr Brekken) and tides Solutions are Clear and Reachable No fine-tuning yet, but we kn...

Ngày tải lên: 21/07/2014, 17:21

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Ngày tải lên: 21/07/2014, 17:21

... feeding on unlucky neighbors Worms, Amphipods, Sand Stars The Rocky Shore Oregon Rocky Shore Oregon Algaes - Hallosaccion Exploring the Tide Pools (and associated geology) ◆ Shoes with good tread/grip ◆ Extra ... Feeders on Sandy Shores ◆ Clams – suspension feeding ◆ Worms – deposit feeding by ingestion ◆ Amphipods – deposit feeding on surface ◆ Sand stars – carnivorous feeding on .....

Ngày tải lên: 21/07/2014, 17:21

... recent and severe events in Most recent and severe events in 1 953 , 5 7- 58 , ‘ 65, ‘7 2- 73, ‘7 6- 77, 1 953 , 5 7- 58 , ‘ 65, ‘7 2- 73, ‘7 6- 77, ‘8 2- 83 ‘8 2- 83 , ‘9 1- 92, , ‘9 1- 92, ‘9 7- 98 ‘9 7- 98 , ... very different fluids fluids - atmosphere and ocean - in - atmosphere and ocean - in the boundless dimensions of time...

Ngày tải lên: 21/07/2014, 18:20

... the western Atlantic – NADW forms in Norwegian Basins ■ Sinks and is dammed behind sills – Between Greenland and Iceland and Iceland and the British Isles ■ NADW periodically spills over sills ... motion (direction and velocity) ✦ 14 C, cosmic rays in the upper atmos (half-life is 57 00 years) 3 H, nuclear weapons testing (half-life is 12 .5 years) CFCs, chlorinated fluoro-ca...

Ngày tải lên: 21/07/2014, 18:20

... in the tropics? Sea Surface Temperatures only 0 -3 0°C world-wide Land: 50 °C to -5 0°C Salinity Variations ✦ Surface salinity follows evaporation- precipitation pattern ✦ Atlantic Ocean is generally ... radiation ➨ Requires flow of heat by oceans and atmosphere ➨ Surface circulation Salinity Variations Heard Island Experiment Global Warming faster velocity?? Go to Sounds Physical and...

Ngày tải lên: 21/07/2014, 18:20

... the ocean  1 950 ’s - 1960’s - single, focused high- frequency, short wavelength sound beam – “wide-beam” bathymetry – sound beam spreads out as it reaches bottom – range of depths - fuzzy estimate ... Australia - 8 January, 20 05 • One sailor killed, 1 15 injured • 30-hour trip back to Guam, crew managed to keep the sub from sinking Courtesy of Dave Sandwell, Scripps I...

Ngày tải lên: 21/07/2014, 18:20

... Oceanography Composition of sea water and the processes controlling and altering its composition, including marine pollution .  Edward Forbes: British naturalist (181 5- 1 854 )  Proposed the hypothesis that no ... existed in the oceans below 55 0 m Historical Review of Oceanography (Cont.)  Charles Darwin: British naturalist  Voyage of the Beagle (183 1-1 836), studied...

Ngày tải lên: 21/07/2014, 18:20

... http://www.faz.com/IN/INtem- plates/eFAZ/docmain.asp?rub={F040FFD 3-8 97B-46DF-960 3-7 52 DD64 053 89}&d oc={722DCB6C-4B8A-4D37-B1C 2-9 4EDB586FD30} (accessed March 4, 2004). Schuurman, N. 2000. Trouble in the heartland: ... http://www.newscientist.com/channel/tech/mg192 258 16.00 0- invented-for-the-military-used-to-defend-wildlife.html (accessed December 17, 2006). 3414.indb...

Ngày tải lên: 18/06/2014, 16:20