Nancy N. Soreide, NOAA/PMEL, Seattle, WA; and J. E. Overland, J. A. Richter-Menge, H. Eicken, H. Wiggins, and J. Calder 1.

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Presentation transcript:

Nancy N. Soreide, NOAA/PMEL, Seattle, WA; and J. E. Overland, J. A. Richter-Menge, H. Eicken, H. Wiggins, and J. Calder 1

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 Comprehensive resource Essays for the public Photos & videos FAQ Data, forecasts Science Announcements & features  Audience scientists, students, teachers, decision makers and the general public  Popular Top of google search results for ‘arctic’ 3

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6  Timely information on current state of the Arctic  Updated annually  Essays on 23 key topics  Prepared by international team of 121 scientists from 14 countries  Peer reviewed

7 YouTube video summarizes 2011 status - Succinct summary - Accessible from computers and mobile phones - Easily embedded in web pages by media, bloggers, science sites

8 What’s new in 2011? Persistent warming has caused dramatic changes in the Arctic Ocean and the ecosystem it supports. -reduced sea ice extent and thickness -freshening of the upper ocean -impacts increased biological productivity loss of habitat for walrus and polar bears

9 5 chapters Status indicated by traffic light Headline for each chapter Essays provide details for topics in each chapter Navigation brings all information to top level

10 Status Significant change Headline: Higher temperatures in the Arctic and unusually lower temperatures in some low latitude regions are linked to global shifts in atmospheric wind patterns. Essays: Temperature & Clouds Carbon dioxide & methane Ozone & UV radiation

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12 Video

13 Status Significant change Headline: A shift in the Arctic Ocean system since 2007 is indicated by the decline in ice age and summer extent, and the warmer, fresher upper ocean..

14 Essays: Sea Ice Wind-driven ocean circulation Ocean temperature & salinity Ocean acidification

15 Status Some change Headline: Since 1998, biological productivity at the base of the food chain has increased by 20%. Polar bears and walrus continue to lose habitat in Alaskan waters.

16 Essays: Ocean biogeophysics Primary productivity Benthic organisms Polar bears Walruses & Seals Pacific Arctic Marine Ecology

17 Status Some change Headline: Increased “greenness” of tundra vegetation in Eurasia and North America linked to increase in open water and warmer land temperatures in coastal regions.

18 Essays: Vegetation Caribou & reindeer

19 Status Significant change Headline: Continued dramatic loss of ice sheet and glacier mass, reduced snow extent and duration, and increasing permafrost temperatures are linked to higher Arctic air temperatures.

20 Essays: Snow Glaciers & Ice Caps Greenland ice sheet Permafrost Lake Ice River discharge River biogeochemistry

 Community-wide summary of expected September sea ice extent Monthly reports throughout summer Synthesize community- wide estimates Scientific rationale for range in estimates Not formal predictions 21

 26 groups participated  Sept 2011 minimum was 4.6 million km 2 Outlooks based on May data averaged 4.7 million km 2 Outlooks based on June data averaged 4.6 million km 2  Good performance of outlooks due in part to year-to-year persistence of ice conditions  2011 minimum depended more on initial late spring conditions than extreme weather conditions 22

23 Summarizes recent important Arctic science results … for a broader audience, beyond the scientific literature

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 Engages the viewer  Easily discoverable  Clear storyline  Accessible  YouTube servers  Supports embedding, smart phones  YouTube searches  Closed captioning 25

 NOAA Arctic Theme Page – comprehensive resource  Arctic Report Card 2011 – latest status  Sea Ice Outlook - estimating September sea ice minimum  Future of Arctic Climate and Global Impacts – latest science  YouTube - effective science communication 26