Journal ArticleDOI
River flow forecasting through conceptual models part III - The Ray catchment at Grendon Underwood
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In this paper, methods of modeling the runoff process on the Ray catchment are described, which depend on soil moisture accounting and simple descriptions of the generation of runoff and of routing.About:
This article is published in Journal of Hydrology.The article was published on 1970-08-01. It has received 1171 citations till now. The article focuses on the topics: Streamflow & Surface runoff.read more
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Exploring the relationship between hydroclimatic stationarity and rainfall-runoff model parameter stability: A case study in West Africa
Abstract: [1] Forecasting the hydrological impacts of climatic and anthropic changes assumes that the evolution of model parameters under changing conditions can be predicted. Hence it is necessary to study the relationship between hydroclimatic variability and model parameter values. In this paper, we explore this issue by implementing a daily lumped hydrological model (GR4J, Perrin et al. (2003)) on the Upper Oueme watershed (10,050 km2, Benin). West Africa was subjected to changing climatic and hydrological conditions during the second half of the last century, and changes in the water balance can be evidenced on this watershed. Contrasted periods are extracted from the available 1954–2002 data set, so that hydrological and pluviometric extreme periods can be defined. First, the magnitude of changes in model parameter values under changing conditions are analyzed, using a resampling method (first approach) and within an equifinality context (second approach). It is shown that significant changes in the rainfall-runoff relationship do not induce significant changes in the model's parameter values. A third original approach analyzes the signature of hydroclimatic variability in model performance. Hence a test is defined that uses interannual model efficiency variances to measure performance homogeneity and a resampling test to statistically characterize the calculated results. This test demonstrates the hydrological relevance of the calibrated parameter sets because the more stationary the rainfall-runoff relationship, the more homogeneous the model's performance.
Journal ArticleDOI
Using Multiple Monthly Water Balance Models to Evaluate Gridded Precipitation Products over Peninsular Spain
Javier Senent-Aparicio,Adrián López-Ballesteros,Julio Pérez-Sánchez,Francisco José Segura-Méndez,David Pulido-Velazquez +4 more
TL;DR: This study evaluates four widely used global precipitation datasets (GPDs) against point gauge and gridded dataset observations using multiple monthly water balance models (MWBMs) in four different meso-scale basins that cover the main climatic zones of Peninsular Spain.
Dissertation
Caractérisation des saisons de pluies au Burkina Faso dans un contexte de changement climatique et évaluation des impacts hydrologiques sur le bassin du Nakanbé
TL;DR: In this article, a description of the variabilite regime pluviometrique dans la zone sahelienne of l'Afrique de l'Ouest and a evaluation of the impacts of this regime on the ressources en eau de la region a travers une serie of modelisations hydrologiques is presented.
Journal ArticleDOI
Flood inundation modeling and mapping by integrating surface and subsurface hydrology with river hydrodynamics
TL;DR: In this paper, an integrated surface water-groundwater (SW-GW) model was used to simulate flood hydrodynamics in the Upper Wabash River basin in Indiana, USA.
Journal ArticleDOI
On the assimilation of altimetric data in 1D Saint-Venant river flow models
Pierre Brisset,Pierre Brisset,Jerome Monnier,Jerome Monnier,Pierre-André Garambois,Hélène Roux +5 more
TL;DR: In this paper, the identification capability of time varying inflow discharge Qin(t) and the Strickler coefficient K (defined as a power-law in h the water depth) of the 1D river Saint-Venant model is investigated.
References
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Journal ArticleDOI
River flow forecasting through conceptual models part I — A discussion of principles☆
J.E. Nash,J.V. Sutcliffe +1 more
TL;DR: In this article, the principles governing the application of the conceptual model technique to river flow forecasting are discussed and the necessity for a systematic approach to the development and testing of the model is explained and some preliminary ideas suggested.
Journal ArticleDOI
Natural evaporation from open water, bare soil and grass
TL;DR: It is shown that a satisfactory account can be given of open water evaporation at four widely spaced sites in America and Europe, the results for bare soil receive a reasonable check in India, and application of theresults for turf shows good agreement with estimates of evapolation from catchment areas in the British Isles.
Journal ArticleDOI
River flow forecasting through conceptual models part II - The Brosna catchment at Ferbane
TL;DR: In this article, an attempt to model the runoff process on the Brosna catchment is described, and different models are compared and it is found possible to account for about 80 per cent of the initial variance of the discharge by very simple models.
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River flow forecasting through conceptual models part I — A discussion of principles☆
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