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海洋學導論 Course Overview

海洋學導論 Course Overview. 陳宏遠 海洋生物研究所 A2028/5105/hychen@mail.nsysu.edu.tw. Introductory Oceanography. Physical Oceanography Chemical Oceanography Biological Oceanography Marine Geology. Oceanography. Oceanography: the scientific study of the ocean 100 yr old

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海洋學導論 Course Overview

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  1. 海洋學導論 Course Overview 陳宏遠 海洋生物研究所 A2028/5105/hychen@mail.nsysu.edu.tw

  2. Introductory Oceanography • Physical Oceanography • Chemical Oceanography • Biological Oceanography • Marine Geology

  3. Oceanography • Oceanography: the scientific study of the ocean • 100 yr old • To predict weather & climate; to protect fisheries & other resources; to avoid disasters

  4. Origins of Oceanography • Seafaring; Seafarer • Chinese Ocean Exploration • To demonstrate power & wealth • The largest ocean expedition • Made no last contribution to our knowledge of the ocean • Because little new information was compiles

  5. Origins of Oceanography • Columbus • 19th century: deep ocean is stagnant; no oxygen; no life (azoic) • HMS Challenger: 1872-76; Challenger Expedition Commission; 50 Vol.>> marks the beginnings as a science

  6. Oceanography in Taiwan • Unesco 1970 Kuroshio Current Expedition • Taida established Institute of Oceanography • R/V 九連 • 1985 & after R/V Ocean Researcher I • Kuroshio Edge Exchange Processes, KEEP • R/V Ocean Researcher II, III • NTU, NSYSU, NTOU, NCU, TFRI

  7. The Law of the Sea • 1974 UNCLOS • 1982 adopted; in effect 1994 • Extend ocean margins to 12 nautical miles (22 km) • Exclusive Economic Zone EEZ to 200 nautical miles: regulate fisheries & resources • 1/3 of the ocean in EZZ

  8. Important Journals: • Science ; Nature • Limnology and Oceanography • Paleoceanography • Journal Geophysical Research • Deep-Sea research • Marine Chemistry • Marine Geology

  9. Important Journals: • Fisheries Oceanography • Marine Ecology Progress Series • Terrestrial, Atmospheric, and Oceanic Sciences

  10. Recent interests • Discovery of hydrothermal vent • The link between global warming & ocean: the Carbon story • Microbial loop • Industrialized mariculture: Peter Drucker

  11. The Carbon Story • Global warming: carbon dioxide • Ocean: an ideal carbon sink • Some oceans are iron limiting: Southern Ocean • Hypothesis: Fertilization with Fe increases carbon sink

  12. fertilizing the oceans with iron

  13. Sea change: a satellite image of a 200-km algal bloom (orange) caused by iron fertilization

  14. Southern Ocean Iron Fertilization Experiment (SOFeX) • Iron sulfate Solution on the sea surface • 200 km phytoplankton bloom • Carbon can be transported below 100 metres by iron fertilization • Fe : C = 1 : 1000 • Lab experiment predicted 1 : 100,000

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