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Climate change amplifications of climate-fire teleconnections in the Southern Hemisphere

Citation

Mariani, M and Holz, A and Veblen, TT and Williamson, G and Fletcher, M-S and Bowman, DMJS, Climate change amplifications of climate-fire teleconnections in the Southern Hemisphere, Geophysical Research Letters, 45, (10) pp. 5071-5081. ISSN 0094-8276 (2018) [Refereed Article]


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Copyright Statement

Copyright 2018 American Geophysical Union

DOI: doi:10.1029/2018GL078294

Abstract

Recent changes in trend and variability of the main Southern Hemisphere climate modes are driven by a variety of factors, including increasing atmospheric greenhouse gases, changes in tropical sea-surface temperature and stratospheric ozone depletion and recovery. One of the most important implications for climatic change is its effect via climate teleconnections on natural ecosystems, water security and fire variability in proximity to populated areas, thus threatening human lives and properties. Only sparse and fragmentary knowledge of relationships between teleconnections, lightning strikes, and fire is available during the observed record within the Southern Hemisphere. This constitutes a major knowledge gap for undertaking suitable management and conservation plans. Our analysis of documentary fire records from Mediterranean and temperate regions across the Southern Hemisphere reveals a critical increased strength of climate-fire teleconnections during the onset of the 21st century including a tight coupling between lightning-ignited fire occurrences, the upward trend in the Southern Annular Mode and rising temperatures across the Southern Hemisphere.

Item Details

Item Type:Refereed Article
Keywords:climate change, fire, southern hemisphere, teleconnections, SAM, wildfires, Southern Hemisphere
Research Division:Environmental Sciences
Research Group:Ecological Applications
Research Field:Ecological Impacts of Climate Change
Objective Division:Environment
Objective Group:Climate and Climate Change
Objective Field:Ecosystem Adaptation to Climate Change
UTAS Author:Williamson, G (Dr Grant Williamson)
UTAS Author:Bowman, DMJS (Professor David Bowman)
ID Code:125959
Year Published:2018
Web of Science® Times Cited:3
Deposited By:Plant Science
Deposited On:2018-05-17
Last Modified:2019-03-22
Downloads:54 View Download Statistics

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