Temporal Variability of Rainfall and Trend Analysis of Melloulou Watershed in Morocco
Keywords:
Climate variability, trend, SPI, RDI, Melloulou Basin
Abstract
This paper focuses on analyzing the temporal variability of rainfall and rainfall trends using 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 and the rainfall variability during this period 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 (RDI) 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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15. Sintayehu AD et al. (2021). Precipitation and temperature trend analysis by Mann Kendall test: The case of Addis Ababa methodological station, Addis Ababa, Ethiopia.
16. Taous, A., Tribak, A., Obda, Kh., Baena, R., Lopez, E.L., & Bonnila, J.M. (2009). Karst and resources in water in the north-oriental Medium Atlas. Geomaghreb. N°5, pp 41-59.
17. Yadav, R., Tripathi, S.K., & Dubey, S.K. (2014). Trend analysis by Mann-Kendall test for precipitation and temperature for thirteen districts of Uttarakhand. Journal of agrometeorology.16. 164-171.
18. 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., & 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., & Sethy, B.K (2022). Trends in monsoon rainfall extremes over Andhra Pradesh and Telangana. Journal of agrometeorology.24:295-298. 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, F. (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. Kaur, B., Kaur, N., Kumar Kataria, S., & Singh, S. (2022). Assessing the variability in temperature and rainfall extremes using RClimdex in Jalandhar district of Punjab. J. Agrometeorology., 24: 437-439.
10. Mabrouki, Y., Taybi, F.A., & 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.
11. Obda, Kh., Taous, A., Sabaoui, A., & Amyay, M. (2009). Hydrography and Hydrology of upper waters of Melloulou. Geomaghreb. N°5, pp 89-102.
12. 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.
13. Sebbar, A., Hsaine, M., Fougrach, H., & Badri, W. (2020). Impact of climate change on the Middle Atlas Mountains in Morocco. Proceedings of the AIC Rennes 2020 conference. 6p.
14. Sebbar, A., Hsaine, M., Fougrach, H., & Badri, W. (2013). Map of annual rainfall in Morocco (1935/2006). 26 th colloquium of the international association of climatology, Cotonou 2013. 8 p.
15. Sintayehu AD et al. (2021). Precipitation and temperature trend analysis by Mann Kendall test: The case of Addis Ababa methodological station, Addis Ababa, Ethiopia.
16. Taous, A., Tribak, A., Obda, Kh., Baena, R., Lopez, E.L., & Bonnila, J.M. (2009). Karst and resources in water in the north-oriental Medium Atlas. Geomaghreb. N°5, pp 41-59.
17. Yadav, R., Tripathi, S.K., & Dubey, S.K. (2014). Trend analysis by Mann-Kendall test for precipitation and temperature for thirteen districts of Uttarakhand. Journal of agrometeorology.16. 164-171.
18. 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
2024-02-29
How to Cite
Yassine, B., & Youssef, B. B. (2024). Temporal Variability of Rainfall and Trend Analysis of Melloulou Watershed in Morocco. European Scientific Journal, ESJ, 20(6), 139. https://doi.org/10.19044/esj.2024.v20n6p139
Section
ESJ Natural/Life/Medical Sciences
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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