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Meteorological Drought Monitoring in Northeastern China Using Multiple Indices

Key Laboratory of Groundwater Resources and Environment, Ministry of Education, College of New Energy and Environment, Jilin University, Changchun 130021, China
State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing 210098, China
Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
International Water Resources Research Institute, Chungnam National University, Daejeon 34134, Korea
Author to whom correspondence should be addressed.
Water 2019, 11(1), 72;
Received: 7 November 2018 / Revised: 26 December 2018 / Accepted: 26 December 2018 / Published: 3 January 2019
PDF [5797 KB, uploaded 3 January 2019]


Drought monitoring is one of the significant issues of water resources assessment. Multiple drought indices (DIs), including Percent of Normal (PN), Standardized Precipitation Index (SPI), statistical Z-Score, and Effective Drought Index (EDI) at 18 different timesteps were employed to evaluate the drought condition in Wuyuer River Basin (WRB), Northeast China. Daily precipitation data of 50 years (1960–2010) from three meteorological stations were used in this study. We found DIs with intermediate time steps (7 to 18 months) to have the highest predictive values for identifying droughts. And DIs exhibited a better similarity in the 12-month timestep. Among all the DIs, EDI exhibited the best correlation with other DIs for various timesteps. When further comparing with historical droughts, Z-Score, SPI, and EDI were found more sensitive to multi-monthly cumulative precipitation changes (r2 > 0.55) with respect to monthly precipitation changes (r2 ≤ 0.10), while EDI was more preferable when only monthly precipitation data were available. These results indicated that various indices for different timesteps should be investigated in drought monitoring in WRB, especially the intermediate timesteps should be considered. View Full-Text
Keywords: precipitation-based drought indices (DIs); Standardized Precipitation Index (SPI); Effective Drought Index (EDI); Z-Score; Wuyuer River Basin precipitation-based drought indices (DIs); Standardized Precipitation Index (SPI); Effective Drought Index (EDI); Z-Score; Wuyuer River Basin

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Li, F.; Li, H.; Lu, W.; Zhang, G.; Kim, J.-C. Meteorological Drought Monitoring in Northeastern China Using Multiple Indices. Water 2019, 11, 72.

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