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Article

Hydrological Response to Meteorological Droughts in the Guadalquivir River Basin, Southern Iberian Peninsula

1
Department of Applied Physics, University of Granada, 18071 Granada, Spain
2
Andalusian Institute for Earth System Research (IISTA-CEAMA), 18006 Granada, Spain
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Author to whom correspondence should be addressed.
Academic Editors: Yared Bayissa, Assefa M. Melesse and Tsegaye Tadesse
Water 2022, 14(18), 2849; https://doi.org/10.3390/w14182849
Received: 31 July 2022 / Revised: 31 August 2022 / Accepted: 9 September 2022 / Published: 13 September 2022
Drought is an extreme phenomenon that will likely increase in frequency and severity in the current context of climate change. As such, it must be studied to improve the decision-making process in affected areas. As a semi-arid zone, the Guadalquivir River basin, located in the southern Iberian Peninsula, is an interesting area to perform this study. The relationship between meteorological and hydrological droughts is studied using drought indices with data from 1980 to 2012. The chosen indices are the Standardized Streamflow Index (SSI) and the Standardized Precipitation Evapotranspiration Index (SPEI). Their correlations are calculated, based on SPEI accumulation periods, and these values are analyzed with a principal component analysis to find spatial patterns in drought behavior inside the basin. This analysis was performed for the continuous series and also for monthly series, to account for seasonal changes. It has been found that the relationship of drought types occurs at different time scales depending mainly on orography and catchment area. Two main patterns were found. Generally, for low altitudes and small catchment areas, accumulation periods are shorter indicating that hydrological system in this area respond rapidly to meteorological conditions. In mountainous parts of the basin, longer accumulation periods have a stronger influence due to effects such as snowmelt. View Full-Text
Keywords: meteorological drought; hydrological drought; drought propagation; SPEI; SSI; Guadalquivir River basin meteorological drought; hydrological drought; drought propagation; SPEI; SSI; Guadalquivir River basin
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MDPI and ACS Style

Romero-Jiménez, E.; García-Valdecasas Ojeda, M.; Rosa-Cánovas, J.J.; Yeste, P.; Castro-Díez, Y.; Esteban-Parra, M.J.; Gámiz-Fortis, S.R. Hydrological Response to Meteorological Droughts in the Guadalquivir River Basin, Southern Iberian Peninsula. Water 2022, 14, 2849. https://doi.org/10.3390/w14182849

AMA Style

Romero-Jiménez E, García-Valdecasas Ojeda M, Rosa-Cánovas JJ, Yeste P, Castro-Díez Y, Esteban-Parra MJ, Gámiz-Fortis SR. Hydrological Response to Meteorological Droughts in the Guadalquivir River Basin, Southern Iberian Peninsula. Water. 2022; 14(18):2849. https://doi.org/10.3390/w14182849

Chicago/Turabian Style

Romero-Jiménez, Emilio, Matilde García-Valdecasas Ojeda, Juan José Rosa-Cánovas, Patricio Yeste, Yolanda Castro-Díez, María Jesús Esteban-Parra, and Sonia R. Gámiz-Fortis. 2022. "Hydrological Response to Meteorological Droughts in the Guadalquivir River Basin, Southern Iberian Peninsula" Water 14, no. 18: 2849. https://doi.org/10.3390/w14182849

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