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Development and Application of a Short- /Long-term Composited Drought Index in the Upper Huaihe River Basin, China : Volume 369, Issue 369 (11/06/2015)

By Yu, M.

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Book Id: WPLBN0004017049
Format Type: PDF Article :
File Size: Pages 6
Reproduction Date: 2015

Title: Development and Application of a Short- /Long-term Composited Drought Index in the Upper Huaihe River Basin, China : Volume 369, Issue 369 (11/06/2015)  
Author: Yu, M.
Volume: Vol. 369, Issue 369
Language: English
Subject: Science, Proceedings, International
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2015
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Yu, M., Lu, G., Wang, H., Li, P., & Li, Q. (2015). Development and Application of a Short- /Long-term Composited Drought Index in the Upper Huaihe River Basin, China : Volume 369, Issue 369 (11/06/2015). Retrieved from http://www.ebooklibrary.org/


Description
Description: College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China. Accurate and reliable drought monitoring is of primary importance for drought mitigation and reduction of social-ecological vulnerability. The aim of the paper was to propose a short-term/long-term composited drought index (CDI) which could be widely used for drought monitoring and early warning in China. In the study, the upper Huaihe River basin above the Xixian gauge station, which has been hit by severe droughts frequently in recent decades, was selected as the case study site. The short-term CDI was developed by the Principle Component Analysis of the self-calibrating Palmer Drought Severity Index (sc-PDSI), the 1- and 3-month Standardized Precipitation Evapotranspiration Index (SPEI), Z Index (ZIND), the Soil Moisture Index (SMI) with the long-term CDI being formulated by use of the self-calibrating Palmer Hydrology Drought Index (sc-PHDI), the 6-, 12-, 18- and 24-month SPEI, the Standardized Streamflow Index (SSI), the SMI. The sc-PDSI, the PHDI, the ZIND, the SPEI on a monthly time scale were calculated based on the monthly air temperature and precipitation, and the monthly SMI and SSI were computed based on the simulated soil moisture and runoff by the distributed Xinanjiang model. The thresholds of the short-term/long-term CDI were determined according to frequency statistics of different drought indices. Finally, the feasibility of the two CDIs was investigated against the scPDSI, the SPEI and the historical drought records. The results revealed that the short-term/long-term CDI could capture the onset, severity, persistence of drought events very well with the former being better at identifying the dynamic evolution of drought condition while the latter better at judging the changing trend of drought over a long time period.

Summary
Development and application of a short- /long-term composited drought index in the upper Huaihe River basin, China

Excerpt
Hao, Z. C. and Aghakouchak, A.: A nonparametric multivariate multi-index drought monitoring framework, J. Hydrometeorol., 15, 89–101, 2014.; Palmer, W.: Meterological droughts, US Department of Commerce, Weather Bureau Research Paper 45, 58, 1965.; McKee, T., Doesken, N., and Kleist, J.: The relationship of drought frequency and duration to time scales. Preprints, Eight Conf. on Applied Climatology. Anaheim, CA, Am. Meteorol. Soc., 179–184, 1993.; Vicente-Serrano, S. M., Beguería, S., and López-Moreno, J.: A multiscalar drought index sensitive to global warming: The Standardized Precipitation Evapotranspiration Index, J. Climate, 23, 1696–1718, 2010.; Vicente-Serrano, S. M., López-Moreno, J. I., and Beguería, S.: Accurate Computation of a Streamflow Drought Index, J. Hydrol., 17, 318–332, 2012.; Wells, N., Goddard, S., and Hayes, M. J.: A Self-Calibrating Palmer Drought Severity Index, J. Climate, 17, 2335–2351, 2004.; Wilhite, D. A.: Drought and Water Crises: Science, Technology, and Management Issues, Taylor and Francis, 406 pp., 2005.; Yu, M. X.: Development and application of the Composited Drought Index, PhD, Hohai University, Nanjing, China, 2013.; Yu, M. X., Li, Q. F., Hayes, M. J., Svoboda, M. D., and Heim, R. R.: Are droughts becoming more frequent in China based on the SPEI: 1951–2010?, Int. J. Climatol., 34, 545–558, 2014.; Zhao, R. J.: The Xinanjiang model applied in China, J. Hydrol., 135, 371–381, 1992.


 

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