1 / 19

Ocean-Atmospheric Response to North Pacific Wind Stress Forcing: A Coupled Perspective

Ocean-Atmospheric Response to North Pacific Wind Stress Forcing: A Coupled Perspective. Lixin Wu Physical Oceanography Laboratory Ocean University of China Qingdao, China. Collaborators: Chun Li and Liping Zhang, Ocean University of China

zaide
Download Presentation

Ocean-Atmospheric Response to North Pacific Wind Stress Forcing: A Coupled Perspective

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. Ocean-AtmosphericResponse to North Pacific Wind Stress Forcing: A Coupled Perspective Lixin Wu Physical Oceanography Laboratory Ocean University of China Qingdao, China Collaborators: Chun Li and Liping Zhang, Ocean University of China Zhengyu Liu, University of Wisconsin-Madison

  2. Wind and SLP 77-88 and 71-76 Deser et al. (1996, J Climate)

  3. SST and Surface wind Curl>0 Westerly Curl<0 76/77 Easterly Curl<0 Curl>0

  4. SST and Heat Content

  5. KOE SST and NPI WSP SST and NPI SST Lead NPI Lead

  6. After shift Curl<0 Prior to shift Curl>0 Possible Mechanism for mid-70s Climate Shift 40oN 30oN Wu, Lee and Liu (2005, J. Climate)

  7. R Green-Function Approach

  8. FOAM OGCM Simulation Ocean Current upper 500m SST anomaly Mean Anomaly

  9. FOAM Coupled Heat flux SST Heat flux and surface wind

  10. FC: Current Anomalies upper 500m Ocean Current upper 500m Current Diff of FC&PCG PCG: Ocean Current Anomalies upper 500m 1cm/s

  11. 1m/s NDJ JFM MAM MJJ

  12. STC: Subtropical-tropical Cell PCG-STC anomaly FC-STC anomaly

  13. FC

  14. Z850 Z250 PC-TP JFM JAS

  15. Rossby Cooling WES Cooling STC Summary for coupled adjustment NP EQ WES-STC Relay Teleconnection Wu et al. (2007, Clim. Dyn.)

  16. Discussions: Understanding Coupled O/A interaction over the Midlatitudes 1. Modeling Methodology Roadmap: AGCM+SSTAGCM_ML+HF  CGCM+ IV CGCM +WindStress 2. Timescale Interaction: mean/ synoptic/ season/interannual/decadal 3. Spatial-scale Interaction: Frontal vs. Basin scale 4. Local/Remote interaction: Tropics, North Atlantic etc.

  17. North Atlantic-North Pacific: Resonance Li and Wu (2009, Climate Dynamics, in press)

More Related