Arid
DOI10.1016/j.atmosres.2017.09.016
Spatial and temporal analysis of drought variability at several time scales in Syria during 1961-2012
Mathbout, Shifa1,2; Lopez-Bustins, Joan A.2; Martin-Vide, Javier2; Bech, Joan1; Rodrigo, Fernando S.3
通讯作者Mathbout, Shifa
来源期刊ATMOSPHERIC RESEARCH
ISSN0169-8095
EISSN1873-2895
出版年2018
卷号200页码:153-168
英文摘要

This paper analyses the observed spatiotemporal characteristics of drought phenomenon in Syria using the Standardised Precipitation Index (SPI) and the Standardised Precipitation Evapotranspiration Index (SPEI). Temporal variability of drought is calculated for various time scales (3, 6, 9, 12, and 24 months) for 20 weather stations over the 1961-2012 period. The spatial patterns of drought were identified by applying a Principal Component Analysis (PCA) to the SPI and SPEI values at different time scales. The results revealed three heterogeneous and spatially well-defined regions with different temporal evolution of droughts: 1) Northeastern (inland desert); 2) Southern (mountainous landscape); 3) Northwestern (Mediterranean coast). The evolutionary characteristics of drought during 1961-2012 were analysed including spatial and temporal variability of SPI and SPEI, the frequency distribution, and the drought duration. The results of the non-parametric Mann-Kendall test applied to the SPI and SPEI series indicate prevailing significant negative trends (drought) at all stations. Both drought indices have been correlated both on spatial and temporal scales and they are highly comparable, especially, over a 12 and 24 month accumulation period. We concluded that the temporal and spatial characteristics of the SPI and SPEI can be used for developing a drought intensity - areal extent - and frequency curve that assesses the variability of regional droughts in Syria. The analysis of both indices suggests that all three regions had a severe drought in the 1990s, which had never been observed before in the country. Furthermore, the 2007-2010 drought was the driest period in the instrumental record, happening just before the onset of the recent conflict in Syria.


英文关键词Climate regionalization Drought SPEI SPI Syrian conflict
类型Article
语种英语
国家Spain
收录类别SCI-E
WOS记录号WOS:000416394400014
WOS关键词CLIMATE-CHANGE ; STANDARDIZED PRECIPITATION ; MEDITERRANEAN CLIMATE ; AIR-TEMPERATURE ; MIDDLE-EAST ; RIVER-BASIN ; INDEXES ; WATER ; EVAPOTRANSPIRATION ; PATTERNS
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/207959
作者单位1.Univ Barcelona, Dept Appl Phys Meteorol, Marti i Franques 1, E-08028 Barcelona, Spain;
2.Univ Barcelona, Dept Geog, Climatol Grp, Montalegre 6, Barcelona 08001, Spain;
3.Univ Almeria, Dept Chem & Phys, Almeria, Spain
推荐引用方式
GB/T 7714
Mathbout, Shifa,Lopez-Bustins, Joan A.,Martin-Vide, Javier,et al. Spatial and temporal analysis of drought variability at several time scales in Syria during 1961-2012[J],2018,200:153-168.
APA Mathbout, Shifa,Lopez-Bustins, Joan A.,Martin-Vide, Javier,Bech, Joan,&Rodrigo, Fernando S..(2018).Spatial and temporal analysis of drought variability at several time scales in Syria during 1961-2012.ATMOSPHERIC RESEARCH,200,153-168.
MLA Mathbout, Shifa,et al."Spatial and temporal analysis of drought variability at several time scales in Syria during 1961-2012".ATMOSPHERIC RESEARCH 200(2018):153-168.
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