Arid
DOI10.1016/j.jhydrol.2014.05.038
On the use of Standardized Drought Indices under decadal climate variability: Critical assessment and drought policy implications
Nunez, J.1,3; Rivera, D.2; Oyarzun, R.3,4; Arumi, J. L.5
通讯作者Nunez, J.
来源期刊JOURNAL OF HYDROLOGY
ISSN0022-1694
EISSN1879-2707
出版年2014
卷号517页码:458-470
英文摘要

Since the recent High Level Meeting on National Drought Policy held in Geneva in 2013, a greater concern about the creation and adaptation of national drought monitoring systems is expected. Consequently, backed by international recommendations, the use of Standardized Drought Indices (SDI), such as the Standardized Precipitation Index (SPI), as an operational basis of drought monitoring systems has been increasing in many parts of the world. Recommendations for the use of the SPI, and consequently, those indices that share its properties, do not take into account the limitations that this type of index can exhibit under the influence of multidecadal climate variability. These limitations are fundamentally related to the lack of consistency among the operational definition expressed by this type of index, the conceptual definition with which it is associated and the political definition it supports. Furthermore, the limitations found are not overcome by the recommendations for their application. This conclusion is supported by the long-term study of the Standardized Streamflow Index (SSI) in the arid north-central region of Chile, under the influence of multidecadal climate variability. The implications of the findings of the study are discussed with regard to their link to aspects of drought policy in the cases of Australia, the United States and Chile. (C) 2014 Elsevier B.V. All rights reserved.


英文关键词Multidecadal climate variability Drought Standardized Precipitation Index Drought policy Pacific Decadal Oscillation Arid zones
类型Article
语种英语
国家Chile
收录类别SCI-E ; SSCI
WOS记录号WOS:000340977000039
WOS关键词REGIONAL FREQUENCY-ANALYSIS ; PRECIPITATION INDEX ; MULTIDECADAL VARIABILITY ; GLOBAL DROUGHT ; L-MOMENTS ; MANAGEMENT ; AUSTRALIA ; SCIENCE ; ENSO
WOS类目Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Engineering ; Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/183441
作者单位1.Water Ctr Arid & Semiarid Zones Latin Amer & Cari, La Serena, Chile;
2.Univ Concepcion, Lab Comparat Policies Water Resources CONICYT FON, Water Resources Dept, Chillon, Chile;
3.Univ La Serena, Dept Ingn Minas, La Serena, Chile;
4.Ctr Adv Studies Arid Zones, La Serena, Chile;
5.Univ Concepcion, CRHIAM Ctr, CONICYT FONDAP 15130015, Water Resources Dept,Coll Agr Engn, Chillan, Chile
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GB/T 7714
Nunez, J.,Rivera, D.,Oyarzun, R.,et al. On the use of Standardized Drought Indices under decadal climate variability: Critical assessment and drought policy implications[J],2014,517:458-470.
APA Nunez, J.,Rivera, D.,Oyarzun, R.,&Arumi, J. L..(2014).On the use of Standardized Drought Indices under decadal climate variability: Critical assessment and drought policy implications.JOURNAL OF HYDROLOGY,517,458-470.
MLA Nunez, J.,et al."On the use of Standardized Drought Indices under decadal climate variability: Critical assessment and drought policy implications".JOURNAL OF HYDROLOGY 517(2014):458-470.
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