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Descripción
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| This study analyses trends in low flows in Spain in the period 1949-2009, based on daily flow data collected at 60 gauging stations located in near-natural catchments. Two low-flow indicators were considered: (i) the seven-day annual minimum streamflow and (ii) the 10th percentile of the yearly flow duration curve. Catchments were clustered into three regions in terms of monthly mean flows. The Mann-Kendall test was used considering four periods between 1949 and 2009. A multi-temporal trend analysis was also applied to the longest series to identify wet and dry periods that could influence the results. Lastly, a field significance test provided a regional assessment of the at-site detected trends at each region. The results for each indicator reveal a clearly decreasing trend in low flows throughout the northern half of Spain that was found to be field-significant over the (Atlantic and Mediterranean) regions. | |
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Internacional
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Si |
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JCR del ISI
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Si |
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Título de la revista
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Hydrological Sciences Journal-Journal Des Sciences Hydrologiques |
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ISSN
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0262-6667 |
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Factor de impacto JCR
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1,252 |
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Información de impacto
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Datos JCR del año 2013 |
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Volumen
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DOI
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10.1080/02626667.2015.1081202 |
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Número de revista
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Desde la página
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1 |
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Hasta la página
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16 |
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Mes
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SIN MES |
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Ranking
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