A runoff model is a mathematical model describing the rainfall–runoff relations of a rainfall catchment area, drainage basin or watershed. More precisely, it produces a surface runoff hydrograph in response to a rainfall event, represented by and input as a hyetograph. In other words, the model calculates the conversion of rainfall into runoff.A well known runoff model is the linear reservoir, but in practice it has limited applicability.The runoff model with a non-linear reservoir is more universally applicable, but still it holds only for catchments whose surface area is limited by the condition that the rainfall can be considered more or less uniformly distributed over the area. The maximum size of the watershed then depends on the rainfall characteristics of the region. When the study
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| - Modelo de escorrentía (es)
- Modèle hydrologique (fr)
- Modello idrologico (it)
- Neerslagafvoermodel (nl)
- Runoff model (reservoir) (en)
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| - Un modelo de escorrentía es una representación que forma parte del ciclo hidrológico en cuanto al fenómeno de la escorrentía superficial de una cuenca hidrográfica. El modelo se usa mayormente para entender el proceso de escurrimiento y para pronosticarlo con el propósito de regularizar el uso del agua o diseñar obras hidráulicas para el control de inundaciónes. Aunque se podrían hacer modelos a escala, la gran mayoría de los modelos de la escorrentía son modelos matemáticos. (es)
- Een neerslagafvoermodel, ook wel model van oppervlakte-afvoer genoemd, is een voorstelling van het deel van de waterkringloop dat de oppervlakte-afvoer van een hydrologisch opvanggebied betreft. Het model wordt meestal gebruikt om de oppervlakteafvoer of -afstroming te begrijpen en om voorspellingen te kunnen doen over de afvoer om het waterbeheer te regelen of om waterbouwkundige maatregelen te ontwerpen voor het beheersen van overstromingen. Hoewel het mogelijk is schaalmodellen te maken zijn de meeste afstromingsmodellenwiskundig modellen. (nl)
- A runoff model is a mathematical model describing the rainfall–runoff relations of a rainfall catchment area, drainage basin or watershed. More precisely, it produces a surface runoff hydrograph in response to a rainfall event, represented by and input as a hyetograph. In other words, the model calculates the conversion of rainfall into runoff.A well known runoff model is the linear reservoir, but in practice it has limited applicability.The runoff model with a non-linear reservoir is more universally applicable, but still it holds only for catchments whose surface area is limited by the condition that the rainfall can be considered more or less uniformly distributed over the area. The maximum size of the watershed then depends on the rainfall characteristics of the region. When the study (en)
- Un modèle hydrologique, ou modèle pluie-débit, est un outil numérique de représentation de la relation pluie-débit à l'échelle d'un bassin versant. Il permet de transformer des séries temporelles décrivant le climat d'un bassin versant donné (séries de précipitations et de températures par exemple, séries qui sont les entrées du modèle hydrologique) en une série de débits (sortie du modèle hydrologique). (fr)
- Un modello idrologico è un modello matematico che descrive le relazioni tra la caduta della pioggia e il suo drenaggio in un bacino idrografico o imbrifero. Più precisamente produce un idrogramma in risposta all'evento piovoso, che viene rappresentato e inserito in un ietogramma. In altre parole il modello calcola la conversione dell'acqua piovana in acqua di drenaggio e ruscellamento. Un modello idrologico ha bisogno di essere calibrato prima della sua utilizzazione. (it)
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| - Un modelo de escorrentía es una representación que forma parte del ciclo hidrológico en cuanto al fenómeno de la escorrentía superficial de una cuenca hidrográfica. El modelo se usa mayormente para entender el proceso de escurrimiento y para pronosticarlo con el propósito de regularizar el uso del agua o diseñar obras hidráulicas para el control de inundaciónes. Aunque se podrían hacer modelos a escala, la gran mayoría de los modelos de la escorrentía son modelos matemáticos. (es)
- A runoff model is a mathematical model describing the rainfall–runoff relations of a rainfall catchment area, drainage basin or watershed. More precisely, it produces a surface runoff hydrograph in response to a rainfall event, represented by and input as a hyetograph. In other words, the model calculates the conversion of rainfall into runoff.A well known runoff model is the linear reservoir, but in practice it has limited applicability.The runoff model with a non-linear reservoir is more universally applicable, but still it holds only for catchments whose surface area is limited by the condition that the rainfall can be considered more or less uniformly distributed over the area. The maximum size of the watershed then depends on the rainfall characteristics of the region. When the study area is too large, it can be divided into sub-catchments and the various runoff hydrographs may be combined using flood routing techniques. Rainfall-runoff models need to be calibrated before they can be used. (en)
- Un modèle hydrologique, ou modèle pluie-débit, est un outil numérique de représentation de la relation pluie-débit à l'échelle d'un bassin versant. Il permet de transformer des séries temporelles décrivant le climat d'un bassin versant donné (séries de précipitations et de températures par exemple, séries qui sont les entrées du modèle hydrologique) en une série de débits (sortie du modèle hydrologique). De nombreux modèles hydrologiques ont été développés depuis la fin des années 1960. Le choix du type de modèle à utiliser dépend généralement de l’objectif de modélisation ainsi que des données d'entrées disponibles. (fr)
- Un modello idrologico è un modello matematico che descrive le relazioni tra la caduta della pioggia e il suo drenaggio in un bacino idrografico o imbrifero. Più precisamente produce un idrogramma in risposta all'evento piovoso, che viene rappresentato e inserito in un ietogramma. In altre parole il modello calcola la conversione dell'acqua piovana in acqua di drenaggio e ruscellamento. Il modello più semplice è quello "lineare" che è però di scarsa applicabilità, per cui i modelli più utilizzati sono quelli "non lineari". Anche in questo caso però la validità è limitata dalla condizione che la piovosità sia più o meno uniformemente distribuita sull'area in questione. L'ampiezza massima del bacino dipende quindi dalle caratteristiche della regione. Se l'area è troppo vasta, viene normalmente suddivisa in sottoregioni. Un modello idrologico ha bisogno di essere calibrato prima della sua utilizzazione. (it)
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