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Hydrological Status Concept: Application at a Temporary River (Candelaro, Italy)

De Girolamo, A. M ; Lo Porto, A ; Pappagallo, G ; Tzoraki, O ; Gallart, F

River research and applications, 2015-09, Vol.31 (7), p.892-903 [同儕審閱期刊]

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題名:
Hydrological Status Concept: Application at a Temporary River (Candelaro, Italy)
著者: De Girolamo, A. M ; Lo Porto, A ; Pappagallo, G ; Tzoraki, O ; Gallart, F
主題: aquatic organisms ; Assessments ; Ecology ; Freshwater ; Geographic information systems ; hydrological modelling ; hydrological regime ; Hydrology ; Mathematical models ; objectives ; planning ; River basins ; Rivers ; Soil and Water Assessment Tool model ; stream flow ; streams ; temporary streams ; Water Framework Directive ; Water runoff ; watersheds
所屬期刊: River research and applications, 2015-09, Vol.31 (7), p.892-903
描述: In achieving the final objective of the European Water Framework Directive, the evaluation of the ‘hydrological status’ of a water body in a catchment is of the utmost importance. It represents the divergence of the actual hydrological regime from its ‘natural’ condition and may thus provide crucial information about the ecological status of a river. In this paper, a new approach in evaluating the hydrological status of a temporary river was tested. The flow regime of a river has been classified through the analysis of two metrics: the permanence of flow and the predictability of no‐flow conditions that were evaluated on monthly streamflow data. This method was applied to the Candelaro river basin (Puglia, Italy) where we had to face the problem of limited data availability. The Soil and Water Assessment Tool model was used when streamflow data were not available, and a geographic information system procedure was applied to estimate potential water abstractions from the river. Four types of rivers were identified whose regimes may exert a control on aquatic life. By using the two metrics as coordinates in a plot, a graphic representation of the regime can be visualized in a point. Hydrological perturbations associated with water abstractions, point discharges and the presence of a reservoir were assessed by comparing the position of the two points representing the regime before and after the impacts. The method is intended to be used with biological metrics in order to define the ecological status of a stream, and it could also be used in planning the ‘measures’ aimed at fulfilling the Water Framework Directive goals. Copyright © 2014 John Wiley & Sons, Ltd.
出版者: Bognor Regis: John Wiley & Sons
語言: 英文
識別號: ISSN: 1535-1459
EISSN: 1535-1467
DOI: 10.1002/rra.2786
資源來源: Wiley Online Library All Journals
Wiley Online Library Full Collection 2020

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Hydrological Status Concept: Application at a Temporary River (Candelaro, Italy)

De Girolamo, A. M ; Lo Porto, A ; Pappagallo, G ; Tzoraki, O ; Gallart, F

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