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Research

Causes and Consequences of Polar Amplification

  • We study the impacts of Arctic amplification and sea-ice loss on midlatitude climate variability and extreme events
     

  • Our current focus is to understand the asymmetric response of polar amplification to a wide range of greenhouse gases. 
     

  • My LDEO postdoctoral project aims to understand the cause of Arctic Amplification from a perspective of the effects of multiple green-house gases.
    - with Drs Lorenzo M. Polvani and Michael Previdi (LDEO).
    - with Dr Karen Smith (U. of Toronto Scarborough).
     

  • My WHOI postdoctoral project focuses on the impacts of Arctic sea-ice changes on midlatitude climate variability
    -  I use Community Earth System Model 2 (CESM2) to       
      produce large-ensemble simulations.
    - with Drs Young-Oh Kwon, Claude Frankignoul (WHOI). 
    - with Drs Gokhan     Danabasoglu, Stephen Yeager (NCAR).    ​

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Applications of Machine Learning on Earth System Problems

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  • We use google's NeuralGCM to simulate the atmospheric circulation responses to Arctic sea-ice loss (PDF)
     

  • Use variational auto-encoder to study the evolution of sudden stratospheric warmings (PDF).
     

  • Construction of Southern Ocean nitrate maps using unsupervised clustering analysis (PDF)
     

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  • Amazon riverflow impacts on the Amazon plume region (PDF).
    - with Dr Min-Hui Lo.
     

  • Two types of El Niño impacts on:
    - North American Low Level Jet (PDF).
    -     Mississippi River (PDF).
    -     Global Rivers (PDF).    ​

Global and Regional Hydroclimate

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