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Polar Climate Change

These materials are suppporting lectures of Polar Climate Change in 2021/22 semester for upper-year undergraduate and graduate students at the Department of Atmospheric Sciences, National Taiwan University, written by Yu-Chiao Liang.

This course aims to introduce the Arctic climate change and its interaction with regional and global climate. We will overview the fast-changing polar cryosphere in the past decades, and discuss the two-way interactions of the changing Arctic climate and lower-latitude (midlatitudes and tropics) atmospheric and oceanic circulations at various spatiotemporal scales, along with cause-and-effect and signal-to-noise issues addressed.

We will use an idealized modelling approach in attempt to understand the possible atmospheric circulation changes in response to polar warming. The anticipated results will be compared to the observations and the state-of-the-art global climate model simulations, for example CMIP5/6 or Polar Amplification Model Intercomparison Project.

Here are some useful and relevant online materials:

• NSIDC Arctic sea ice news & analysis

  • Ch\({arctic}\) interactive sea ice graph

  • About the Cryosphere

• NOAA Arctic Report Card

  • Update for 2020

• IPCC AR6 WG1 Report

• IPCC Special Report on the Ocean and Cryosphere in a Changing Climate

  • Chapter 3 Polar Regions

• Linear baroclinic model

  • Arctic forcing vs Tropical forcing

• Climate ebook

• Troposphere-Stratosphere Dynamics and Monitoring

  • NCEP/CPC Stratosphere-Troposphere Monitoring

  • NOAA/ESRL EP Flux Plotting Page

  • NASA MERRA Stratospheric Analysis

  • JMA Stratospheric Circulation Monitoring

  • ECMWF Stratospheric Analysis from A. Dörnbrack

  • The Freie Universität Berlin Middle Atmosphere Products

  • NCEP CPC Teleconnections

  • Zachary D. Lawrence’s Real-time Stratospheric Forecasts

Note

These lectures were built using the new Sphinx-based Jupyter Book 2.0 tool set, as part of the ExecutableBookProject. They are intended mainly as a demonstration of these tools. Instructions for how to build them from source can be found in the Jupyter Book documentation.

Syllabus