Impact of meteorological drought on streamflow drought in Jinghe River Basin of China
Zhao Lin1; Lyu Aifeng2; Wu Jianjun3; Hayes, Michael4; Tang Zhenghong5; He Bin6; Liu Jinghui3; Liu Ming3
AbstractUnder global climate change, drought has become one of the most serious natural hazards, affecting the ecological environment and human life. Drought can be categorized as meteorological, agricultural, hydrological or socio-economic drought. Among the different categories of drought, hydrological drought, especially streamflow drought, has been given more attention by local governments, researchers and the public in recent years. Identifying the occurrence of streamflow drought and issuing early warning can provide timely information for effective water resources management. In this study, streamflow drought is detected by using the Standardized Runoff Index, whereas meteorological drought is detected by the Standardized Precipitation Index. Comparative analyses of frequency, magnitude, onset and duration are conducted to identify the impact of meteorological drought on streamflow drought. This study focuses on the Jinghe River Basin in Northwest China, mainly providing the following findings. 1) Eleven meteorological droughts and six streamflow droughts were indicated during 1970 and 1990 after pooling using Inter-event time and volume Criterion method. 2) Streamflow drought in the Jinghe River Basin lagged meteorological drought for about 127 days. 3) The frequency of streamflow drought in Jinghe River Basin was less than meteorological drought. However, the average duration of streamflow drought is longer. 4) The magnitude of streamflow drought is greater than meteorological drought. These results not only play an important theoretical role in understanding relationships between different drought categories, but also have practical implications for streamflow drought mitigation and regional water resources management.
KeywordStreamflow Drought Meteorological Drought Standardized Precipitation Index (Spi) Standardized Runoff Index (Sri) Time Lag Jinghe River Basin
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS SubjectEnvironmental Sciences
WOS IDWOS:000345365400006
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Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorWu Jianjun
Affiliation1.Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430079, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
3.Beijing Normal Univ, Acad Disaster Reduct & Emergency Management, Beijing 100875, Peoples R China
4.Univ Nebraska Lincoln, Sch Nat Resources, Natl Drought Mitigat Ctr, Lincoln, NE 68588 USA
5.Univ Nebraska Lincoln, Coll Architecture, Lincoln, NE 68588 USA
6.Beijing Normal Univ, Coll Global Change & Earth Syst, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Zhao Lin,Lyu Aifeng,Wu Jianjun,et al. Impact of meteorological drought on streamflow drought in Jinghe River Basin of China[J]. CHINESE GEOGRAPHICAL SCIENCE,2014,24(6):694-705.
APA Zhao Lin.,Lyu Aifeng.,Wu Jianjun.,Hayes, Michael.,Tang Zhenghong.,...&Liu Ming.(2014).Impact of meteorological drought on streamflow drought in Jinghe River Basin of China.CHINESE GEOGRAPHICAL SCIENCE,24(6),694-705.
MLA Zhao Lin,et al."Impact of meteorological drought on streamflow drought in Jinghe River Basin of China".CHINESE GEOGRAPHICAL SCIENCE 24.6(2014):694-705.
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