Climate-driven trends in the streamflow records of a reference hydrologic network in Southern Spain

Yeste, Patricio; Dorador, Javier; Martín-Rosales, W.; Molero, E.; Esteban‐Parra, María Jesús; Rueda, Francisco J.

doi:10.1016/j.jhydrol.2018.08.063

Cited by 21 publications

(21 citation statements)

References 56 publications

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“…As a region characterized by semiarid conditions, the interest of ET o in Spain is apparent, and many studies addressed different topics related with this variable. Until now, ET o studies in Spain focused on a limited number of locations (Vicente‐Serrano et al ., 2014b; Azorin‐Molina et al ., 2015; Tomas‐Burguera et al ., 2017), or used only temperature to estimate ET o following the Hargreaves and Samani (Hargreaves and Samani, 1985) approach (Berengena and Gavilan, 2005; Vanderlinden et al ., 2008; Aguilar and Polo, 2011; Giménez and García‐Galiano, 2018; Yeste et al ., 2018).…”

Section: Introductionmentioning

confidence: 99%

Climatology and trends of reference evapotranspiration in Spain

Tomás-Burguera

Beguería

Vicente‐Serrano

2020

Intl Journal of Climatology

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This study presents a climatology and trend analysis of reference crop evapotranspiration (ET o) over continental Spain and the Balearic Islands. Geographic features of the study region play a substantial role in the climatology of ET o. The highest values (in excess of 1,200 mm y −1) are found at lower elevations in the south, while the lowest values (less than 900 mm y −1) are found in the highest elevations in the north. A deep analysis reveals: (a) a low interannual variability; (b) summer accumulates more than 50% of annual values; and (c) the radiative component contribution is higher than 50%. A positive long-term trend (1961-2014) has been detected for most of the study area, but showing contrasting situations when shorter periods (20-30 years) are analysed. A short initial period of negative trend was followed by a longer period of a positive trend. We argue that global dimming/brightening played a role in this process, as these two contrasting periods are clearly guided by the radiative component. A seasonal analysis of the trends reveals that spring and summer are the seasons showing the long-term positive trends. Interestingly, a monthly analysis shows that spring trends are guided by March and April and summer trends are mostly guided by June, which is the month showing the highest relative changes. This could have important consequences for agriculture and natural ecosystems since this month represents the start of the summer (dry) period.

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Section: Introductionmentioning

confidence: 99%

Climatology and trends of reference evapotranspiration in Spain

Tomás-Burguera

Beguería

Vicente‐Serrano

2020

Intl Journal of Climatology

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“…Countries bordering the northeast Atlantic Ocean (Spain, Portugal, France, the United Kingdom, and Ireland) are highly sensitive to changes in climate (natural and human forced) and hydrology, with the region having a high population density and intense water use (Thober et al, ). In southwestern Europe, water scarcity is frequent as a consequence of climatic drought events (González‐Hidalgo et al, ), with consequences aggravated by the general reduction in streamflow recorded over recent decades (Coch & Mediero, ; García‐Ruiz et al, ; Lorenzo‐Lacruz et al, ; Yeste et al, ). These decreasing trends are likely to have caused more severe hydrological droughts (Vicente‐Serrano, Lopez‐Moreno, et al, ).…”

Section: Introductionmentioning

confidence: 99%

Climate, Irrigation, and Land Cover Change Explain Streamflow Trends in Countries Bordering the Northeast Atlantic

Vicente‐Serrano

Peña-Gallardo

Hannaford

et al. 2019

Geophysical Research Letters

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Attribution of trends in streamflow is complex, but essential, in identifying optimal management options for water resources. Disagreement remains on the relative role of climate change and human factors, including water abstractions and land cover change, in driving change in annual streamflow. We construct a very dense network of gauging stations (n = 1,874) from Ireland, the United Kingdom, France, Spain, and Portugal for the period of 1961–2012 to detect and then attribute changes in annual streamflow. Using regression‐based techniques, we show that climate (precipitation and atmospheric evaporative demand) explains many of the observed trends in northwest Europe, while for southwest Europe human disturbances better explain both temporal and spatial trends. For the latter, large increases in irrigated areas, agricultural intensification, and natural revegetation of marginal lands are inferred to be the dominant drivers of decreases in streamflow.

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“…In recent pan-European studies Masseroni et al (2020) and Stahl et al (2010) both found downward river flow trends in the southern and eastern parts of Europe, whereas positive trends were determined in northern areas of the continent. Such patterns of river discharge changes have also been confirmed by studies on a lower scale -in Spain (Yeste et al, 2018), Italy (Billi and Fazzini, 2017), the United Kingdom (Hannaford and Buys, 2012), the Nordic Region (Wilson, et al, 2010), etc. Streamflow trends research over southeastern part of Europe, conducted at different spatial scales, also suggest downward tendencies of streamflow in this region.…”

Section: Introductionmentioning

confidence: 63%

Influence of climate change on river discharges over the Sava River watershed in Bosnia and Herzegovina

Gnjato¹,

Popov²,

Adžić³

et al. 2021

Időjárás

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The paper examines changes in air temperature, precipitation, and river discharges on seasonal and annual scale over the Sava River watershed in Bosnia & Herzegovina during the period 1961–2016. Based upon data gathered from 11 meteorological stations and 3 hydrological stations, hydroclimatic variables trends were established by utilizing the nonparametric Mann-Kendall test and the nonparametric Sen’s slope estimator. The results show significant positive seasonal and annual trends (expect for autumn, during which upward trends were insignificant) in air temperature, whereas both positive and negative insignificant seasonal and annual precipitation trends are shown where determined for the entire watershed. Most prominent upward trends in air temperature were found in summer and afterwards in winter and spring, indicating a pronounced warming tendency over the Sava River watershed. Trends in river discharge displayed a negative tendency in all seasons. Nevertheless, a majority of estimated trends of river discharges were weak and statistically insignificant. Throughout the year, river discharges showed significant positive correlation with precipitation, whilst connection with air temperature was mostly significant and negative. The study results suggest that climate is an important factor affecting river regimes, as well as that changes in river discharges are reflecting recent abrupt changes in climatic variables.

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Climate-driven trends in the streamflow records of a reference hydrologic network in Southern Spain

Cited by 21 publications

References 56 publications

Climatology and trends of reference evapotranspiration in Spain

Climatology and trends of reference evapotranspiration in Spain

Climate, Irrigation, and Land Cover Change Explain Streamflow Trends in Countries Bordering the Northeast Atlantic

Influence of climate change on river discharges over the Sava River watershed in Bosnia and Herzegovina

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