Temporal Variability of Rainfall Amounts and Trend Analysis in the Melloulou Watershed
Keywords:
Climate variability, trend, SPI, IDF, Melloulou Basin
Abstract
The present study consists in analyzing the temporal variability of rainfall and rainfall trend a statistical analysis of rainfall data in the Melloulou watershed for a half-century chronicle (1970-2020). The objective of this study is to extract all the rainfall characteristics of this period, to extract the rainfall variability and to determine the rainfall trends. The working method is based on a statistical approach to detect the climatic characteristics of the Melloulou basin. The study of the standardized precipitation index (SPI) and the rainfall deficit index (IDF) showed the alternation of very long dry periods with wet periods. The Mann-Kendall test under the RStudio also showed a decreasing rainfall trend.
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References
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18. Yadav, R. Tripathi, S.K. and Dubey, S.K. (2014): Trend analysis by Mann-Kendall test for precipitation and temperature for thirteen districts of Uttarakhand.
19. Zamrane Z., (2016): Search for climate variability index in hydroclimatic series in Morocco: Identification, temporal positioning, trends and links with climate fluctuations: The case of the large basins of Moulouya, Sebou and Tensift. PhD thesis. Earth and Water Sciences. University of Montpellier. 197 p.
2. ABHM: Agency of the Moulouya hydraulic basin.
3. Bouly S. Cisse, A. Faye, C. and Sane, T. (2020): Use of the standardized precipitation and evapotranspiration index (SPEI) from 1950 to 2018 to characterize the drought trend over the Lower Casamance. Journal Geographic Space and Moroccan Society n°32, February 2020. 27p.
4. Chakraborty, D. Ajaykumar, K. Baby, V.S. Singh, N. Singh, H.D. Singh, H.J. and Sethy, B.K (2022): Trends in monsoon rainfall extremes over Andhra Pradesh and Telangana. Journal of agrometeorology. 24(3):295-298. https://doi.org/10.54386/jam.v24i3.1665.
5. Critchfield H.J., (1983): General climatology, 4th edn. Prentice-Hall, Englewood Cliffs, 453 pp.
6. DPEF: Provincial Directorate of Water and Forests in Guercif.
7. DREFLCD-Nord-Est: Regional Directorate of Water and Forests and the Fight against Desertification in the North-East.
8. Driouech Fatima, (2010): Winter precipitation distribution over Morocco under climate change: downscaling and uncertainties. Doctoral thesis at the National Polytechnic Institute of Toulouse (INP Toulouse). 164 p.
9. IPCC, 2013: Intergovernmental Panel on Climate Change.
10. Kaur, B. Kaur, N. Kumar Kataria, S. and Singh, S. (2022). Assessing the variability in temperature and rainfall extremes using RClimdex in Jalandhar district of Punjab. J. Agrometeorology., 24: 437-439.
11. Mabrouki Y. Taybi, F.A. and Berrahou, A. (2017): Spatiotemporal evolution of the quality of running waters of Oued Melloulou (Morocco). Journal of water sciences. Volume 30. Number 3, 2017. 14p.
12. Mckee T. B and al (1993): The relationship of drought frequency and duration to time scales, in: 8th conference on Applied climatology. Am. Meteorol. Soc. Boston, 179-184.
13. Mouhdi A, (1993): Contribution to the pluvio-hydrological study of the Melloulou watershed (eastern Morocco). Doctoral thesis in geography. University of Sciences and Technologies of Lille U.F.R of geography and spatial planning. p251.
14. POHLERT T, (2018): Trend: Non-parametric trend tests and change-point detection, R package version 0.0.1. This work is licensed Under a Creative Commons License (CC BY -ND 4.0). 8 p.
15. Sebbar A, Hsaine, M. Fougrach, H. and Badri, W. (2020) : Impact of climate change on the Middle Atlas Mountains in Morocco. Proceedings of the AIC Rennes 2020 conference. 6p.
16. Sebbar A, Hsaine, M. Fougrach, H. and Badri, W. (2013): Map of annual rainfall in Morocco (1935/2006). 26 th colloquium of the international association of climatology, Cotonou 2013. 8 p.
17. Sintayehu A, D and al (2021): Precipitation and temperature trend analysis by Mann Kendall test: The case of Addis Ababa methodological station, Addis Ababa, Ethiopia.
18. Yadav, R. Tripathi, S.K. and Dubey, S.K. (2014): Trend analysis by Mann-Kendall test for precipitation and temperature for thirteen districts of Uttarakhand.
19. Zamrane Z., (2016): Search for climate variability index in hydroclimatic series in Morocco: Identification, temporal positioning, trends and links with climate fluctuations: The case of the large basins of Moulouya, Sebou and Tensift. PhD thesis. Earth and Water Sciences. University of Montpellier. 197 p.
Published
2024-01-19
How to Cite
Yassine, B., & Youssef, B. B. (2024). Temporal Variability of Rainfall Amounts and Trend Analysis in the Melloulou Watershed. European Scientific Journal, ESJ, 25, 435. Retrieved from https://eujournal.org/index.php/esj/article/view/17691
Section
ESI Preprints
Copyright (c) 2024 Bertal Yassine, Ben Brahim Youssef
This work is licensed under a Creative Commons Attribution 4.0 International License.
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