Trends in high flows in the central Spanish Pyrenees: response to climatic factors or to land-use change?
This paper analyses the evolution of high flows in the central Spanish Pyrenees during the period 1955-1995. The method applied makes it possible to assess whether the contribution of the largest daily discharge and rainfall events to the total annual runoff and precipitation remains stationary or s...
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| Veröffentlicht in: | Hydrological sciences journal 2006-12, Vol.51 (6), p.1039-1050 |
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| container_title | Hydrological sciences journal |
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| creator | LÓPEZ-MORENO, J. I. BEGUERÍA, S. GARCÍA-RUIZ, J. M. |
| description | This paper analyses the evolution of high flows in the central Spanish Pyrenees during the period 1955-1995. The method applied makes it possible to assess whether the contribution of the largest daily discharge and rainfall events to the total annual runoff and precipitation remains stationary or shows any temporal trend. The results show a general negative trend in flood intensity in the last decades, together with an increase in the importance of low flows in the total annual contribution. However, a change in the frequency distribution of precipitation events has not been detected. The different behaviour shown by runoff and precipitation could only be explained as being due to the increase in vegetation cover that is a consequence of the farmland abandonment and reforestation that occurred during the 20th century. |
| doi_str_mv | 10.1623/hysj.51.6.1039 |
| format | Article |
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M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Trends in high flows in the central Spanish Pyrenees: response to climatic factors or to land-use change?</atitle><jtitle>Hydrological sciences journal</jtitle><date>2006-12-01</date><risdate>2006</risdate><volume>51</volume><issue>6</issue><spage>1039</spage><epage>1050</epage><pages>1039-1050</pages><issn>0262-6667</issn><eissn>2150-3435</eissn><coden>HSJODN</coden><abstract>This paper analyses the evolution of high flows in the central Spanish Pyrenees during the period 1955-1995. The method applied makes it possible to assess whether the contribution of the largest daily discharge and rainfall events to the total annual runoff and precipitation remains stationary or shows any temporal trend. The results show a general negative trend in flood intensity in the last decades, together with an increase in the importance of low flows in the total annual contribution. 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| ispartof | Hydrological sciences journal, 2006-12, Vol.51 (6), p.1039-1050 |
| issn | 0262-6667 2150-3435 |
| language | eng |
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| source | Taylor & Francis Journals Complete; Alma/SFX Local Collection |
| subjects | analyse de tendance central Spanish Pyrenees crues Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Exact sciences and technology high flows Hydrology Hydrology. Hydrogeology Natural hazards: prediction, damages, etc plant recolonization Pyrénées centrales espagnoles recolonisation végétale trend analysis |
| title | Trends in high flows in the central Spanish Pyrenees: response to climatic factors or to land-use change? |
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