globalchange  > 影响、适应和脆弱性
DOI: 10.1007/s00382-017-3987-0
Scopus记录号: 2-s2.0-85033369418
论文题名:
Comparison of various drought indices to monitor drought status in Pakistan
作者: Adnan S.; Ullah K.; Shuanglin L.; Gao S.; Khan A.H.; Mahmood R.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2018
卷: 51, 期:2018-05-06
起始页码: 1885
结束页码: 1899
语种: 英语
英文关键词: Drought in Pakistan ; Reconnaissance drought index ; Standardized precipitation evapotranspiration index ; Standardized precipitation index
Scopus关键词: comparative study ; drought ; evapotranspiration ; index method ; monitoring ; performance assessment ; Pakistan
英文摘要: Various drought indices are normally used to monitor drought and its risk management. Precipitation, temperature and other hydro meteorological parameters are the essential parts to the identification of drought. For this purpose, several drought indices have been developed and are being used around the world. This study identifies the applicability and comparison of drought indices in Pakistan by evaluating the performance of 15 drought indices. The indices include standardized precipitation index (SPI), standardized precipitation temperature index, standardized precipitation evapotranspiration index (SPEI), China Z-Index, deciles index, modified CZI, Z-Score, rainfall variability index, standardized soil moisture anomaly index, weighted anomaly standardized precipitation index, percent of normal precipitation index, self-calibrated Palmer drought severity index, composite index, percentage area weighted departure and reconnaissance drought index (RDI). These indices are compared by utilizing long term data of 58 meteorological stations for the period 1951–2014. The performance, efficiency and significance are also tested by applying different statistical tests. The SPI, SPEI and RDI results showed a good capability to monitor drought status in Pakistan. The positive increasing trend (towards wetness) is noted by several of the aforementioned indices at 95% confidence level. In addition, historical drought years and intensity have been explored along with comparison of recent long episode of drought (1999–2002) and all the indices captured this period successfully. © 2017, Springer-Verlag GmbH Germany.
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被引频次[WOS]:107   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/109144
Appears in Collections:影响、适应和脆弱性
气候变化事实与影响

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作者单位: Department of Meteorology, COMSATS Institute of Information Technology (CIIT), Islamabad, Pakistan; Pakistan Meteorological Department, Islamabad, Pakistan; Nansen-Zhu International Research Centre, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; Department of Atmospheric Science, China University of Geosciences, Wuhan, China; Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China; State Key Laboratory of Severe Weather, Chinese Academy of Meteorological Sciences, Beijing, 100081, China; School of Earth and Ocean Sciences, University of Victoria, Victoria, BC, Canada

Recommended Citation:
Adnan S.,Ullah K.,Shuanglin L.,et al. Comparison of various drought indices to monitor drought status in Pakistan[J]. Climate Dynamics,2018-01-01,51(2018-05-06)
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