Climate Changes, Weather and Climate Events over the Three Poles of the Earth

A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Climatology".

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 1663

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Department of Geography and Environment, Shandong Normal University, Jinan 250358, China
Interests: climate change; regional response; ERA5 reanalysis
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Special Issue Information

Dear Colleagues,

The Arctic, Antarctica, and the Tibetan Plateau (The third pole) are the three poles of the earth, and experiencing dramatic climate change nowadays. Therefore, glaciers, ice caps, sea ice, ice sheets, etc. in these regions have lost a lot of mass in recent decades, and the rate of loss is now accelerating. As a result, the melting of glaciers/ice sheets become one of the dominant contributors to current global sea-level rise. The latest IPCC (Intergovernmental Panel on Climate Change) reports emphasize the effects of climate change on the three poles subject to multiple and complex physical feedbacks. The Arctic, Antarctic, and Tibetan Plateau atmosphere change has become a timely and attractive scientific topic. This research topic will showcase recent progress in our understanding of:

  • Characteristics of the cryosphere in the three poles;
  • Extreme weather events and climate status over the three poles;
  • Implications for climate changes of the three poles, based on observations and numerical models;
  • The mass balance of glaciers and ice sheet.

This Research Topic is expected to better understand the status and future climate changes in the three poles of the earth, and their impacts on ice sheets, glaciers and so on. Submissions in, but not limited to, the following research areas, are welcomed:

  • Weather and climate status estimation and modelling
  • Investigating and modeling extreme weather events
  • Reconstructed paleoclimate from ice core records
  • The role of climate changes in current and future mass balance of the three poles
  • Skills of CMIP6 for capturing and understanding the climate over the three poles

Dr. Yetang Wang
Guest Editor

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Keywords

  • climate over the three poles
  • polar weather or climate events
  • climatic dynamics
  • glaciers/ice sheet response to climatic warming

Published Papers (1 paper)

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8 pages, 663 KiB  
Brief Report
Arctic Amplification in the Community Earth System Models (CESM1 and CESM2)
by Petr Chylek, Chris Folland, James D. Klett, Glen Lesins and Manvendra K. Dubey
Atmosphere 2023, 14(5), 820; https://doi.org/10.3390/atmos14050820 - 2 May 2023
Cited by 3 | Viewed by 1440
Abstract
We compare the Arctic amplification (AA) produced by the two Community Earth System Models CESM1 and CESM2, members of the CEMIP5 (Coupled Models Intercomparison Project phase 5) and CEMIP6 collections, respectively. We find that the CESM1 model reproduces the recent high values of [...] Read more.
We compare the Arctic amplification (AA) produced by the two Community Earth System Models CESM1 and CESM2, members of the CEMIP5 (Coupled Models Intercomparison Project phase 5) and CEMIP6 collections, respectively. We find that the CESM1 model reproduces the recent high values of the AA deduced from the observed temperature much better than the CESM2. The correlation coefficient within the 1970–2012 time period between CESM1-simulated AA and the observed one is 0.47, while the CESM2 simulation leads to an anticorrelation of r = −0.53. Even the more successful model (CESM1) is not able to reproduce recent high AA values of 4–5. The main cause of this failure is the model’s overestimate of the rate of increase in the mean global temperature in years post 1990. When the CESM1 model’s simulated trend of the mean global temperature is replaced in the expression for the AA by the observed temperature trend, the correlation coefficient increases from 0.47 to 0.75. The CESM1 model is among the best north American models in AA simulation while the CESM2 model is among the least successful. Full article
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