Wavelet Analysis of Rainfall and Runoff Multidecadal Time Series on Large River Basins in Western North Africa

This work is dedicated to the study of the spatio-temporal variability of climate in Morocco by the analysis of rainfall (gridded and gauged data) and runoff. The wavelet analysis method has been used in this study to compare the rainfall and runoff series and to show the major discontinuities ident...

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Autores principales:	Zineb Zamrane, Gil Mahé, Nour-Eddine Laftouhi
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	coherence discharge discontinuities rainfall variability wavelet Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/e43fcf15709845f0bf7d6b1b9b1bbd34
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spelling	oai:doaj.org-article:e43fcf15709845f0bf7d6b1b9b1bbd342021-11-25T19:15:55ZWavelet Analysis of Rainfall and Runoff Multidecadal Time Series on Large River Basins in Western North Africa10.3390/w132232432073-4441https://doaj.org/article/e43fcf15709845f0bf7d6b1b9b1bbd342021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/22/3243https://doaj.org/toc/2073-4441This work is dedicated to the study of the spatio-temporal variability of climate in Morocco by the analysis of rainfall (gridded and gauged data) and runoff. The wavelet analysis method has been used in this study to compare the rainfall and runoff series and to show the major discontinuities identified in 1970, 1980, and 2000. Several modes of variability have been detected; this approach has been applied to show annual (1 year) and inter-annual modes (2–4 years, 4–8 years, 8–12/8–16 years, and 16–30 years), and some modes are specific to some stations. This analysis will be complemented by the gridded data covering the period from 1940 to 1999, which will allow for a better understanding of the spatial variability of the highlighted signals set, which identified frequencies at 1 year and 8–16 years, distinguished different time periods at each basin and identified three main discontinuities in 1970, 1980, and 2000. The contribution of climatic indices is important as it is between 55% and 80%.Zineb ZamraneGil MahéNour-Eddine LaftouhiMDPI AGarticlecoherencedischargediscontinuitiesrainfallvariabilitywaveletHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3243, p 3243 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	coherence discharge discontinuities rainfall variability wavelet Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	coherence discharge discontinuities rainfall variability wavelet Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Zineb Zamrane Gil Mahé Nour-Eddine Laftouhi Wavelet Analysis of Rainfall and Runoff Multidecadal Time Series on Large River Basins in Western North Africa
description	This work is dedicated to the study of the spatio-temporal variability of climate in Morocco by the analysis of rainfall (gridded and gauged data) and runoff. The wavelet analysis method has been used in this study to compare the rainfall and runoff series and to show the major discontinuities identified in 1970, 1980, and 2000. Several modes of variability have been detected; this approach has been applied to show annual (1 year) and inter-annual modes (2–4 years, 4–8 years, 8–12/8–16 years, and 16–30 years), and some modes are specific to some stations. This analysis will be complemented by the gridded data covering the period from 1940 to 1999, which will allow for a better understanding of the spatial variability of the highlighted signals set, which identified frequencies at 1 year and 8–16 years, distinguished different time periods at each basin and identified three main discontinuities in 1970, 1980, and 2000. The contribution of climatic indices is important as it is between 55% and 80%.
format	article
author	Zineb Zamrane Gil Mahé Nour-Eddine Laftouhi
author_facet	Zineb Zamrane Gil Mahé Nour-Eddine Laftouhi
author_sort	Zineb Zamrane
title	Wavelet Analysis of Rainfall and Runoff Multidecadal Time Series on Large River Basins in Western North Africa
title_short	Wavelet Analysis of Rainfall and Runoff Multidecadal Time Series on Large River Basins in Western North Africa
title_full	Wavelet Analysis of Rainfall and Runoff Multidecadal Time Series on Large River Basins in Western North Africa
title_fullStr	Wavelet Analysis of Rainfall and Runoff Multidecadal Time Series on Large River Basins in Western North Africa
title_full_unstemmed	Wavelet Analysis of Rainfall and Runoff Multidecadal Time Series on Large River Basins in Western North Africa
title_sort	wavelet analysis of rainfall and runoff multidecadal time series on large river basins in western north africa
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e43fcf15709845f0bf7d6b1b9b1bbd34
work_keys_str_mv	AT zinebzamrane waveletanalysisofrainfallandrunoffmultidecadaltimeseriesonlargeriverbasinsinwesternnorthafrica AT gilmahe waveletanalysisofrainfallandrunoffmultidecadaltimeseriesonlargeriverbasinsinwesternnorthafrica AT noureddinelaftouhi waveletanalysisofrainfallandrunoffmultidecadaltimeseriesonlargeriverbasinsinwesternnorthafrica
_version_	1718410126527823872

Wavelet Analysis of Rainfall and Runoff Multidecadal Time Series on Large River Basins in Western North Africa

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