Comparison of ten notable meteorological drought indices on tracking the effect of drought on streamflow

被引：35

作者：

Myronidis, Dimitrios ^{[1
]}

Fotakis, Dimitrios ^{[2
]}

Ioannou, Konstantinos ^{[3
]}

Sgouropoulou, Konstantina ^{[1
]}

机构：

[1] Aristotle Univ Thessaloniki, Sch Forestry & Nat Environm, Thessaloniki, Greece

[2] Hellen Agr Org Demeter, Inst Plant Breeding & Phytogenet Resources, Thessaloniki, Greece

[3] Hellen Agr Org Demeter, Forest Res Inst, Thessaloniki, Greece

来源：

HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES | 2018年 / 63卷 / 15-16期

关键词：

deciles index; effective drought index (EDI); standardized precipitation index (SPI); Palmer drought severity index (PDSI); China-Z index (CZI); Z-score; reconnaissance drought index (RDI); Pearson coefficient; Mann-Kendall test; Pettitt test; ARTIFICIAL NEURAL-NETWORKS; STANDARDIZED PRECIPITATION INDEX; WILLAMETTE RIVER-BASIN; AGRICULTURAL DROUGHT; CHANGE IMPACT; TIME-SERIES; TRENDS; SEVERITY; OREGON; EVAPOTRANSPIRATION;

D O I：

10.1080/02626667.2018.1554285

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Ten notable meteorological drought indices were compared on tracking the effect of drought on streamflow. A 730-month dataset of precipitation, temperature and evapotranspiration for 88 catchments in Oregon, USA, representing pristine conditions, was used to compute the drought indices. These indices were correlated with the monthly streamflow datasets of the minimum, maximum and mean discharge, and the discharge monthly fluctuation; it was revealed that the 3-month Z-score drought index (Z3) has the best association with the four streamflow variables. The Mann-Kendall trend detection test applied to the latter index time series mainly highlighted a downward trend in the autumn and winter drought magnitude (DM) and an upward trend in the spring and summer DM (p = 0.05). Finally, the Pettitt test indicated an abrupt decline in the annual and autumn DM, which began in 1984 and 1986, respectively.

引用

页码：2005 / 2019

页数：15

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