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23 Nov


HKBU Distinguished Lecture by Professor Juergen Kurths


Professor Juergen Kurths

Climate Meets Complex Systems: Exploring Extreme Climate Events via a Complex Network Approach

Speaker: Professor Juergen Kurths
Potsdam Institute for Climate Impact Research & Humboldt University, Berlin
Date: Nov 23, 2022 (Wednesday)
Time: 4:30 – 5:30 p.m. GMT+8 (Hong Kong Time)
Venue: Zoom Webinar






Department of Physics nominated Prof. Jurgen Kurths to deliver a distinguished lecture on Climate Meets Complex Systems: Exploring Extreme Climate Events via a Complex Network Approach.

The Earth system is a very complex and dynamical one basing on various feedbacks. This makes predictions and risk analysis even of very strong (sometime extreme) events as floods, landslides, heatwaves, and earthquakes etc. a challenging task. After introducing physical models for weather forecast already in 1922 by L.F. Richardson, a fundamental open problem has been the understanding of basic physical mechanisms and exploring anthropogenic influences on climate. In 2021 Hasselmann and Manabe got the Physics Nobel Price for their pioneering works on this. I will shortly review their main seminal contributions.

Then I will discuss most recent challenges concerning climate change, in particular the occurrence of extreme events and consequences of sea-level rise.

Next, I will introduce a recently developed approach via complex networks mainly to analyze strong climate events. This leads to an inverse problem: Is there a backbone-like structure underlying the climate system? To treat this problem, we have proposed a method to reconstruct and analyze a complex network from spatio-temporal data. This approach enables us to uncover relations to global and regional circulation patterns in oceans and atmosphere, which leads to construct substantially better predictions, in particular for the onset of the Indian Summer Monsoon, extreme rainfall in South America, the Indian Ocean Dipole and tropical cyclones but also to understand phase transition in the past climate.

All Interested Are Welcome!


Click here for registration.

Click here to download the poster

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