NDLI: Trend Detection of Drought in Arid and Semi-Arid Regions of Iran Based on Implementation of Reconnaissance Drought Index (RDI) and Application of Non-Parametrical Statistical Method

Content Provider	Springer Nature Link
Author	Kousari, Mohammad Reza Dastorani, Mohammad Taghi Niazi, Yaghoub Soheili, Esmaeel Hayatzadeh, Mehdi Chezgi, Javad
Copyright Year	2014
Abstract	Drought is known as one of the main natural hazards especially in arid and semi-arid regions where there are considerable issues in regard to water resources management. Also, climate changes has been introduced as a global concern and therefore, under conditions of climate change and global warming, the investigation of drought severity trend in regions such as Iran which is mainly covered by arid and semi-arid climate conditions is in the primary of importance. Therefore, in this study, based on the application of Reconnaissance Drought Index (RDI) for assessment drought severities, and also the implementation of non-parametric Mann- Kendall statistics and Sen’s slope estimator, the trends in different time series of RDI (3, 6, 9, 12, 18 and 24 monthly time series) were investigated. Results indicated the frequent decreasing trends in RDI time series particularly for long term time series (12, 18 and 24 monthly time series) than short term ones. Decreasing trend in RDI time series means the increasing trend in drought severities. Since the water resources especially ground water in most cases are affected by long term droughts, therefore, increasing trend in drought intensities in long term ones can be a threat for water resources management in surveyed areas.
Starting Page	1857
Ending Page	1872
Page Count	16
File Format	PDF
ISSN	09204741
Journal	Water Resources Management
Volume Number	28
Issue Number	7
e-ISSN	15731650
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-04-23
Publisher Institution	European Water Resources Association (EWRA)
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Arid and semi-arid Drought Iran RDI Trend Hydrogeology Hydrology/Water Resources Geotechnical Engineering & Applied Earth Sciences Atmospheric Sciences Civil Engineering Environment
Content Type	Text
Resource Type	Article
Subject	Water Science and Technology Civil and Structural Engineering

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Parametric and Non-Parametric Trend of Drought in Arid and Semi-Arid Regions Using RDI Index

Analysis of Changes in Spatial Pattern of Drought Using RDI Index in south of Iran

Quantifying Changes in Reconnaissance Drought Index using Equiprobability Transformation Function

Drought Monitoring by Reconnaissance Drought Index (RDI) in Iran

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Trend Detection of Drought in Arid and Semi-Arid Regions of Iran Based on Implementation of Reconnaissance Drought Index (RDI) and Application of Non-Parametrical Statistical Method

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