Why Study the Arctic? Participants Sponsors The Adventure Preliminary Findings - PowerPoint PPT Presentation

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Why Study the Arctic? Participants Sponsors The Adventure Preliminary Findings

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  1. Why Study the Arctic? Participants Sponsors The Adventure Preliminary Findings

  2. BIG PICTURE: GLOBAL CLIMATE • In 1980’s and 1990’s • the average extent of • permanent pack ice • decreased. • Evidence indicates • that ice thickness is • also decreasing. • Global Warming?? • Earth cycle or • Man-made? Figure from National Snow and Ice Data Center NOAA Boulder, Colorado

  3. FEEDBACK CYCLE These data, SHEBA Reconnaissance Imagery Version 1.0, were obtained from the ARCSS Data Coordination Center, University of Colorado at Boulder

  4. SCience ICe EXercises • 1999 Hawkbill • 1998 Hawkbill • 1997 Archerfish • 1996 Pogy • 1995 Cavalla • (1993) Pargo Greenland Russia Alaska

  5. International Bathymetric Chart of the Arctic Ocean, Beta Version M. Jakobbson, N. Cherkis, J. Woodward, R. Macnab and B. Coakley

  6. The Participants USS Hawkbill officers & crew Ice Camp Lyon staff Ice pilots Scientists (submarine & camp)

  7. CDR Perry, officers & crew of USS Hawkbill U.S. Navy

  8. Captain Jeffrey Fischbeck & crew Arctic Submarine Laboratory UW Applied Physics Laboratory

  9. J. Gossett, R. Ray, B. Campbell Arctic Submarine Laboratory

  10. Chief Scientist Peter Mikhalevsky ICE CAMP LYON Photo: G. Peterson; Sea Power

  11. HAWAI`I MAPPING RESEARCH GROUP

  12. OPERATIONS SPONSORS

  13. S C I E N C E S P O N S O R S

  14. The Adventure….

  15. From the NY Times Atlas of the World

  16. Photo by Erik Hill, Anchorage Daily News