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Multiple Temporal Scales Assessment in the Hydrological Response of Small Mediterranean-Climate Catchments

AuthorsFortesa, Josep; Latron, Jérôme ; García-Comendador, Julián; Tomás-Burguera, Miquel ; Company, Jaume; Calsamiglia, Aleix; Estrany, Joan
multiple temporal scales
mall catchments
Issue DateJan-2020
PublisherMultidisciplinary Digital Publishing Institute
CitationFortesa J, Latron J, García-Comendador J, Tomàs-Burguera M, Company J, Calsamiglia A, Estrany J. Multiple Temporal Scales Assessment in the Hydrological Response of Small Mediterranean-Climate Catchments. Water 12 (1): 299 (2020)
AbstractMediterranean-climate catchments are characterized by significant spatial and temporal hydrological variability caused by the interaction of natural as well human-induced abiotic and biotic factors. This study investigates the non-linearity of rainfall-runoff relationship at multiple temporal scales in representative small Mediterranean-climate catchments (i.e., <10 km2) to achieve a better understanding of their hydrological response. The rainfall-runoff relationship was evaluated in 43 catchments at annual and event—203 events in 12 of these 43 catchments—scales. A linear rainfall-runoff relationship was observed at an annual scale, with a higher scatter in pervious (R2: 0.47) than impervious catchments (R2: 0.82). Larger scattering was observed at the event scale, although pervious lithology and agricultural land use promoted significant rainfall-runoff linear relations in winter and spring. These relationships were particularly analysed during five hydrological years in the Es Fangar catchment (3.35 km2; Mallorca, Spain) as a temporal downscaling to assess the intra-annual variability, elucidating whether antecedent wetness conditions played a significant role in runoff generation. The assessment of rainfall-runoff relationships under contrasted lithology, land use and seasonality is a useful approach to improve the hydrological modelling of global change scenarios in small catchments where the linearity and non-linearity of the hydrological response—at multiple temporal scales—can inherently co-exist in Mediterranean-climate catchments.
Description27 Pags.- 10 Figs.- 7 Tabls. © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Publisher version (URL)https://doi.org/10.3390/w12010299
Appears in Collections:(EEAD) Artículos
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