1 / 20

Temperature anomaly o C

Ice concentration. Temperature anomaly o C. Impacts of Climate Variations on the Bering Sea Ecosystem. Overarching theme: Describing the state of the Bering Sea, and using this information for inter-disciplinary and multi-institution studies. Temperature and fluorescence

bendek
Télécharger la présentation

Temperature anomaly o C

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. Ice concentration Temperature anomaly oC

  2. Impacts of Climate Variations on the Bering Sea Ecosystem Overarching theme: Describing the state of the Bering Sea, and using this information for inter-disciplinary and multi-institution studies

  3. Temperature and fluorescence at Sites 2 (left) and 4 (right)

  4. Depth-Averaged Temperature in the SE Bering Sea

  5. Vertically Averaged Temperature (°C) at Site 2

  6. Bering SeaClimate Indices Grey - Lowest 1/3Pink - Middle 1/3Red - Highest 1/3 1965 1975 1985 1995

  7. Bering Sea Pollock

  8. 0 0 0 2 2 4 Pollock and Bottom Temperature 60oN 58oN 170oW 170 165 160oW 60oN 58oN J Ianelli 0.0 0.25 0.50 0.75 1.0 Relative CPUE

  9. Oscillating Control Hypothesis Hunt et al., 2002

  10. Pollock Recruitmentwith Summer Wind Mixing&Winter Surface Temperature 1978 1982 1989 1996

  11. Produced from NOAA/PMEL’s Bering Sea Climate Theme Page

  12. Northern fur seal pups born on Pribilof Islands St. Paul St. George Error bars are 95% confidence intervals http://nmml.afsc.noaa.gov/alaskaecosystems/nfshome/survey2004pribpups.htm

  13. Walrus herd in the Chukchi Sea– June 2002 [M. Webber-USFWS] Clam food in walrus stomachs [photos courtesy G. Sheffield] Schematic of food web in the northern Bering and Chukchi Seas [Grebmeier and Dunton 2000]

  14. Arctic Bering Sea North Pacific Bering Climate Cold/Dry Arctic Air vs. Warm/Moist Pacific Air 850 mb Temperature: 1-January-1975

  15. 5 4 2 Mooring Sites

  16. Final RemarksPresent - Can often go beyond exploratory correlative analysis to scenario testing based on induction.Near Future - Continue monitoring and process studies to refine quantitative understanding of mechanisms.

More Related