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Title: Relationship of weather types on the seasonal and spatial variability of rainfall, runoff and sediment yield in the western Mediterranean basin
Author: Peña-Angulo, D.
Nadal-Romero, E.
González-Hidalgo, José Carlos
Albaladejo Montoro, Juan
Andreu, Vicente (Andreu Pérez)
Bahri, H.
Bernal Berenguer, Susana
Biddoccu, M.
Bienes Allas, Ramón
Campo, J.
Campo-Bescós, M. A.
Canatário-Duarte, A.
Cantón, Y.
Casali, J.
Castillo, V.
Cavallo, E.
Cerdà, Artemi
Cid, P.
Cortesi, N.
Desir, G.
Díaz-Pereira, E.
Espigares Pinilla, Tíscar
Estrany, J.
Farguell Pérez, Joaquim
Fernández-Raga, M.
Ferreira, C. S.
Ferro, V.
Gallart Gallego, Francesc
Giménez, R.
Gimeno García, Eugenia
Gómez, J. A.
Gómez-Gutiérrez, A.
Gómez Macpherson, Helena
González-Pelayo, O.
Kairis, O.
Karatzas, G. P.
Keesstra, S
Klotz, S
Kosmas, C.
Lana-Renault, N.
Lasanta Martínez, Teodoro
Latron, Jérôme
Lázaro, R.
Le Bissonnais, Y.
Le Bouteiller, C.
Licciardello, F.
López-Tarazón, J. A.
Lucía, Ana
Marín-Moreno, V. M.
Marín, C.
Marqués, M. J.
Martínez Fernández, José
Martínez-Mena, M.
Mateos, L.
Mathys, N
Merino-Martín, L.
Moreno-de las Heras, M.
Moustakas, N,
Nicolau Ibarra, José Manuel
Pampalone, V.
Raclot, D.
Rodríguez-Blanco, M. L.
Rodrigo Comino, Jesús
Romero Díaz, María Asunción
Ruiz Sinoga, José Damián
Rubio, J. L.
Schnabel, Susanne
Senciales González, José María
Solé Benet, Albert
Taguas, Encarnación V.
Taboada Castro, Ma. Teresa
Taboada-Castro, M. M.
Todisco, F.
Úbeda, Xavier
Varouchakis, E. A.
Wittenberg, L.
Zabaleta, A.
Zorn, Matija
Keywords: Clima
Precipitacions (Meteorologia)
Mediterrània occidental
Precipitations (Meteorology)
Sedimentation and deposition
Western Mediterranean
Issue Date: 9-Jun-2020
Publisher: MDPI
Abstract: Rainfall is the key factor to understand soil erosion processes, mechanisms, and rates. Most research was conducted to determine rainfall characteristics and their relationship with soil erosion (erosivity) but there is little information about how atmospheric patterns control soil losses, and this is important to enable sustainable environmental planning and risk prevention. We investigated the temporal and spatial variability of the relationships of rainfall, runoff, and sediment yield with atmospheric patterns (weather types, WTs) in the western Mediterranean basin. For this purpose, we analyzed a large database of rainfall events collected between 1985 and 2015 in 46 experimental plots and catchments with the aim to: (i) evaluate seasonal differences in the contribution of rainfall, runoff, and sediment yield produced by the WTs; and (ii) to analyze the seasonal efficiency of the different WTs (relation frequency and magnitude) related to rainfall, runoff, and sediment yield. The results indicate two different temporal patterns: the first weather type exhibits (during the cold period: autumn and winter) westerly flows that produce the highest rainfall, runoff, and sediment yield values throughout the territory; the second weather type exhibits easterly flows that predominate during the warm period (spring and summer) and it is located on the Mediterranean coast of the Iberian Peninsula. However, the cyclonic situations present high frequency throughout the whole year with a large influence extended around the western Mediterranean basin. Contrary, the anticyclonic situations, despite of its high frequency, do not contribute significantly to the total rainfall, runoff, and sediment (showing the lowest efficiency) because of atmospheric stability that currently characterize this atmospheric pattern. Our approach helps to better understand the relationship of WTs on the seasonal and spatial variability of rainfall, runoff and sediment yield with a regional scale based on the large dataset and number of soil erosion experimental stations.
Note: Reproducció del document publicat a:
It is part of: Atmosphere, 2020, vol. 11, num. 6
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ISSN: 2073-4433
Appears in Collections:Articles publicats en revistes (Geografia)

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