El Nino Diversity and Beyond

Event Details
  • Date/Time:
    • Thursday February 18, 2021 - Friday February 19, 2021
      11:00 am - 11:59 am
  • Location: Virtual seminar
  • Phone:
  • URL: BlueJeans
  • Email:
  • Fee(s):
    Free
  • Extras:
Contact

Dr. Jie He

Summaries

Summary Sentence: A seminar by Dr. Shang-Ping Xie, School of Earth and Atmospheric Sciences

Full Summary: No summary paragraph submitted.

Media
  • Shang-Ping Xie Shang-Ping Xie
    (image/jpeg)

The School of Earth and Atmospheric Sciences Presents Dr. Shang-Ping Xie, Scripps Institution of Oceanography, University of California San Diego

El Nino Diversity and Beyond

Each El Nino is different, in equatorial sea surface temperature (SST) and teleconnection. El Nino/the Southern Oscillation (ENSO) is often conceptually modeled as a coupled oscillation between central Pacific (Nino4) wind and eastern Pacific SST (Nino3.4) variability. Using satellite observations and ocean model experiments, we show that atmospheric convection and wind variability within the Nino3 region holds the key to El Nino diversity.

Historically the term of El Nino evolved from referring to a local coastal warming off Peru to a Pacific-wide phenomenon of global influence. In March 2017, a major coastal El Nino took place off Peru while much of the equatorial Pacific was in a La Nina state. Likewise on the other side the Pacific, a record Indian Ocean dipole took place in September 2019 while Nino3 SST was close to normal. These are some recent examples of extreme events that deviate markedly from canonical ENSO behavior. Understanding the physical causes of such extreme events is crucial to improving climate prediction.

 

Additional Information

In Campus Calendar
Yes
Groups

EAS

Invited Audience
Faculty/Staff, Postdoc, Graduate students, Undergraduate students
Categories
Seminar/Lecture/Colloquium
Keywords
EAS Seminar
Status
  • Created By: nlawson3
  • Workflow Status: Published
  • Created On: Dec 10, 2020 - 8:53am
  • Last Updated: Feb 9, 2021 - 11:26am