Advanced Regional Climate Modeling in A Warming World

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

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 13312

Special Issue Editor


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Guest Editor
Unit of Ice Sheet and Sea Level Changes, Korea Polar Research Institute, Incheon 400-011, Korea
Interests: regional climate modeling; regional extreme weather and climate events; high-impact weather

Special Issue Information

Dear Colleagues,

Regional climate modeling has been developed and matured over a long period of time so that it can be applied to various fields with a broad spectrum of applications. As climate change has accelerated in recent years to become a more effective tool, a certain expansion of the regional climate model into various directions can be considered. Regional climate modeling is advancing toward integrated regional earth system modeling, including interactions with other Earth system components such as hydrology, ocean, wave, sea-ice, land ice, as well as the atmosphere, and toward the capability of geoengineering simulation for adaptation and mitigation studies in a warming climate.

Under these circumstances, this Special Issue aims to introduce advanced applications of regional climate models to various practical studies related to climate change. This includes the interdisciplinary exercises of the regional climate model, mitigation studies of high-impact weather events, more sophisticated future predictions and projections of the earth system by coupling with other earth system components, etc. Furthermore, we welcome numerical simulations and case studies to understand the physical and dynamical processes related with extreme weather and climate events with various space–time scales regardless of locations. In this Special Issue, authors are invited to submit original and review articles to advance our understanding and prediction of extreme events related with global warming based on regional climate modeling.

Dr. Emilia Kyung Jin
Guest Editor

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Keywords

  • regional climate model
  • numerical modeling
  • high-impact weather
  • extreme weather and climate event
  • tropical cyclones
  • Arctic and Antarctic changes
  • coupled models
  • global warming
  • climate change
  • climate adaptation and mitigation

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Published Papers (2 papers)

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Research

12 pages, 3039 KiB  
Article
Seasonality and Dynamics of Atmospheric Teleconnection from the Tropical Indian Ocean and the Western Pacific to West Antarctica
by Hyun-Ju Lee and Emilia-Kyung Jin
Atmosphere 2021, 12(7), 849; https://doi.org/10.3390/atmos12070849 - 30 Jun 2021
Cited by 6 | Viewed by 2382
Abstract
The global impact of the tropical Indian Ocean and the Western Pacific (IOWP) is expected to increase in the future because this area has been continuously warming due to global warming; however, the impact of the IOWP forcing on West Antarctica has not [...] Read more.
The global impact of the tropical Indian Ocean and the Western Pacific (IOWP) is expected to increase in the future because this area has been continuously warming due to global warming; however, the impact of the IOWP forcing on West Antarctica has not been clearly revealed. Recently, ice loss in West Antarctica has been accelerated due to the basal melting of ice shelves. This study examines the characteristics and formation mechanisms of the teleconnection between the IOWP and West Antarctica for each season using the Rossby wave theory. To explicitly understand the role of the background flow in the teleconnection process, we conduct linear baroclinic model (LBM) simulations in which the background flow is initialized differently depending on the season. During JJA/SON, the barotropic Rossby wave generated by the IOWP forcing propagates into the Southern Hemisphere through the climatological northerly wind and arrives in West Antarctica; meanwhile, during DJF/MAM, the wave can hardly penetrate the tropical region. This indicates that during the Austral winter and spring, the IOWP forcing and IOWP-region variabilities such as the Indian Ocean Dipole (IOD) and Indian Ocean Basin (IOB) modes should paid more attention to in order to investigate the ice change in West Antarctica. Full article
(This article belongs to the Special Issue Advanced Regional Climate Modeling in A Warming World)
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22 pages, 9741 KiB  
Article
An Assessment of the Impacts of Climate Variability and Change in KwaZulu-Natal Province, South Africa
by Mendy Ndlovu, Alistair D. Clulow, Michael J. Savage, Luxon Nhamo, James Magidi and Tafadzwanashe Mabhaudhi
Atmosphere 2021, 12(4), 427; https://doi.org/10.3390/atmos12040427 - 26 Mar 2021
Cited by 25 | Viewed by 10139
Abstract
Rainfall and air temperature variability pose the greatest risk to environmental change. Past trends in rainfall and air temperature facilitate projecting future climate changes for informed policy responses. We used a combination of the normalised difference vegetation index (NDVI) and observed data from [...] Read more.
Rainfall and air temperature variability pose the greatest risk to environmental change. Past trends in rainfall and air temperature facilitate projecting future climate changes for informed policy responses. We used a combination of the normalised difference vegetation index (NDVI) and observed data from 1968 to 2017 to assess changes in rainfall, moisture stress, and air temperature variability over time on bioclimatic regions of KwaZulu-Natal (KZN) Province, South Africa. Indicators used included consecutive dry days (CDDs), consecutive wet days (CWDs), very heavy rainfall days (R20), monthly maximum daily maximum air temperature (TXx), monthly minimum daily minimum air temperature (TNn), the total number of rainfall days, and monthly air temperature averages. Trends in rainfall and moisture stress are notable in different bioclimatic regions across the province. However, these trends are diverse, in general, and spatially different across and within the bioclimatic regions. Further, related rainfall indicators do not respond in the same way as would be expected. Air temperature trends were consistent with global trends and land–air temperature anomalies. Although daytime air temperatures showed a positive trend, extreme air temperature events and increases are predominant in inland regions. Night-time air temperatures showed an upward trend in most stations across KZN. Local weather-and-climate related characteristics are evolving due to climatic variability and change. The study shows that changes in climatic activities are detectable at a local level from existing historical weather data; therefore, adaptation strategies should be contextualised to respond to local and area-specific challenges. Full article
(This article belongs to the Special Issue Advanced Regional Climate Modeling in A Warming World)
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