1 / 12

The Bering Sea in 2008: A decoupling of sea-ice extent between the Arctic and Bering Sea

The Bering Sea in 2008: A decoupling of sea-ice extent between the Arctic and Bering Sea. P. J. Stabeno 1 , J. E. Overland 1 and J. M. Napp 2. 1 Pacific Marine Environmental Laboratory, Seattle, WA 2 Alaska Fishery Science Center, Seattle, WA. Support from NOAA/NPCREP, NPRB and NSF.

thelmacherry
Download Presentation

The Bering Sea in 2008: A decoupling of sea-ice extent between the Arctic and Bering Sea

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. The Bering Sea in 2008: A decoupling of sea-ice extent between the Arctic and Bering Sea P. J. Stabeno1, J. E. Overland1 and J. M. Napp2 1 Pacific Marine Environmental Laboratory, Seattle, WA 2 Alaska Fishery Science Center, Seattle, WA Support from NOAA/NPCREP, NPRB and NSF Support from NOAA/NPCREP, NPRB and NSF

  2. The Bering Sea in 2008 COLD Depth Averaged Temperature (M2) Depth Averaged Temperature Anomaly (M2)

  3. Arctic Ocean Sea ice extent in Arctic Ocean Overland et al. Minimum Sea Ice extent, September 2007

  4. Bering Sea: Sea ice extent in 2008 and winds near Bering Strait Wind Velocity (m s-1) Bering Strait Stabeno and Overland. The Arctic must freeze before the Bering.

  5. Model Predictions Sea ice extent Stabeno and Overland

  6. M5 Temperature, Sept. 2008 Salinity, Sept. 2008 North-south transition The 70-m isobath 2005 - Warm 2008 - Cold Stabeno et al.

  7. Chlorophyll estimated from fluorescence 2008 May 1% light level Mixed layer May July September North South 70-m isobath

  8. Vertical Mixing over the Middle Shelf Wind mixing Thermocline Thermocline 1% light level Tidal mixing Southern shelf Northern shelf

  9. Ammonium along the 70-m Isobath Nutrients ammonium Ammonium - Sept. 2008 Stabeno et al.

  10. Biovolume (mm3 m-3) Apr May Jun Jul Aug Sep Biovolume (mm3 m-3) Apr May Jun Jul Aug Sep Whales on the Middle Shelf Zooplankton Moored Acoustics - M2 Right whales - trajectory 2006 Courtesy of A. Zerbini Fin whales Passive Acoustics M2 M4 May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar 2006 2007 Right whales Passive Acoustics 2007 Courtesy of K. Stafford Napp et al. May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar 2006 2007

  11. Will 2009 be cold, with late retreat of sea ice?

  12. Questions

More Related