GSTDTAP  > 气候变化
DOI10.1007/s10584-017-2019-8
Potential impacts of climate change on wildfire dynamics in the midlands of KwaZulu-Natal, South Africa
Strydom, S.; Savage, M. J.
2017-08-01
发表期刊CLIMATIC CHANGE
ISSN0165-0009
EISSN1573-1480
出版年2017
卷号143
文章类型Article
语种英语
国家South Africa
英文摘要

The influence of climate change on wildfires has been studied at a global scale, but uncertainties on the influence at regional and hyper-regional level still exist. As the KwaZulu-Natal (KZN) midlands rely heavily on agro-forestry and tourism to support the local economy, changes in fire dynamics need to be taken into consideration. This study aims to investigate fire dynamics under different climatic scenarios for the KZN midlands, South Africa. Using 25 years of meteorological data allows for the stochastic generation of long-term meteorological data. Six climatic scenarios, describing a warmer and wetter climate and a warmer and drier climate, are used to adjust the generated data. The Lowveld fire danger index is applied to the adjusted data and analysed. Results indicat that annual average fire danger in the KZN midlands is likely to increase significantly under all climate scenarios. Annual average fire danger under baseline conditions (no climate adjustment) averages at roughly 25. When adjusted for the worst case scenario, the annual average fire danger increases to an average of roughly 28-a statistically significant difference. Increased air temperatures are shown to influence fire danger significantly. The KZN midlands are likely to experience an increased frequency of high fire danger days. Changes in daily rainfall are shown to significantly influence the onset and length of the KZN midlands' fire season. Overall, the study indicates that the KZN midlands are likely to experience different fire dynamics under a changed climate, with significant implications for local landowners and local governments.


英文关键词Climate change Fire danger Stochastic modelling Wildfires
领域气候变化
收录类别SCI-E
WOS记录号WOS:000407170600008
WOS关键词FIRE SEASON SEVERITY ; FOREST ; TEMPERATURE ; MAIZE ; GRASS
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/29998
专题气候变化
作者单位Univ KwaZulu Natal, Sch Agr Earth & Environm Sci, Soil Plant Atmosphere Continuum Res Unit, Agrometeorol Discipline, Pietermaritzburg, South Africa
推荐引用方式
GB/T 7714
Strydom, S.,Savage, M. J.. Potential impacts of climate change on wildfire dynamics in the midlands of KwaZulu-Natal, South Africa[J]. CLIMATIC CHANGE,2017,143.
APA Strydom, S.,&Savage, M. J..(2017).Potential impacts of climate change on wildfire dynamics in the midlands of KwaZulu-Natal, South Africa.CLIMATIC CHANGE,143.
MLA Strydom, S.,et al."Potential impacts of climate change on wildfire dynamics in the midlands of KwaZulu-Natal, South Africa".CLIMATIC CHANGE 143(2017).
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