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Relevant bibliographies by topics / GR4J model

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Academic literature on the topic 'GR4J model'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "GR4J model"

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Hughes, Justin, Nick Potter, Lu Zhang, and Robert Bridgart. "Conceptual Model Modification and the Millennium Drought of Southeastern Australia." Water 13, no. 5 (2021): 669. http://dx.doi.org/10.3390/w13050669.

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Long-term droughts observed in southern Australia have changed relationships between annual rainfall and runoff and tested some of the assumptions implicit in rainfall–runoff models used in these areas. Predictive confidence across these periods is when low using the more commonly used rainfall–runoff models. Here we modified the GR4J model to better represent surface water–groundwater connection and its role in runoff generation. The modified model (GR7J) was tested in 137 catchments in south-east Australia. Models were calibrated during “wetter” periods and simulation across drought periods

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Hublart, P., D. Ruelland, I. García De Cortázar Atauri, and A. Ibacache. "Reliability of a conceptual hydrological model in a semi-arid Andean catchment facing water-use changes." Proceedings of the International Association of Hydrological Sciences 371 (June 12, 2015): 203–9. http://dx.doi.org/10.5194/piahs-371-203-2015.

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Abstract. This paper explores the reliability of low-flow simulations by conceptual models in a semi-arid, Andean catchment (30° S) facing climate variability and water-use changes. Depending on water availability, a significant part of surface water resources are diverted to meet irrigation requirements. In return, these water withdrawals are likely to influence the hydrological behavior of the catchment. The value of model-based analyses thus relies on our ability to adequately represent the complex interactions between climate variability, human-induced flow perturbations and crop water use

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Flores, Neftali, Rolando Rodríguez, Santiago Yépez, et al. "Comparison of Three Daily Rainfall-Runoff Hydrological Models Using Four Evapotranspiration Models in Four Small Forested Watersheds with Different Land Cover in South-Central Chile." Water 13, no. 22 (2021): 3191. http://dx.doi.org/10.3390/w13223191.

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We used the lumped rainfall–runoff hydrologic models Génie Rural à 4, 5, 6 paramètres Journalier (GR4J, GR5J and GR6J) to evaluate the most robust model for simulating discharge on four forested small catchments (<40 ha) in south-central Chile. Different evapotranspiration methods were evaluated: Oudin, Hargreaves–Samani and Priestley–Taylor. Oudin’s model allows the achievement of the highest efficiencies in the flow simulation. The more sensitive parameters for each model were identified through a Generalized Probability Uncertainty Estimation (GLUE) model. Our results demonstrate that th

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Zeng, Ling, Lihua Xiong, Dedi Liu, Jie Chen, and Jong-Suk Kim. "Improving Parameter Transferability of GR4J Model under Changing Environments Considering Nonstationarity." Water 11, no. 10 (2019): 2029. http://dx.doi.org/10.3390/w11102029.

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Hydrological nonstationarity has brought great challenges to the reliable application of conceptual hydrological models with time-invariant parameters. To cope with this, approaches have been proposed to consider time-varying model parameters, which can evolve in accordance with climate and watershed conditions. However, the temporal transferability of the time-varying parameter was rarely investigated. This paper aims to investigate the predictive ability and robustness of a hydrological model with time-varying parameter under changing environments. The conceptual hydrological model GR4J (Gén

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Shin, Mun-Ju, and Chung-Soo Kim. "Component Combination Test to Investigate Improvement of the IHACRES and GR4J Rainfall–Runoff Models." Water 13, no. 15 (2021): 2126. http://dx.doi.org/10.3390/w13152126.

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Rainfall–runoff models are not perfect, and the suitability of a model structure depends on catchment characteristics and data. It is important to investigate the pros and cons of a rainfall–runoff model to improve both its high- and low-flow simulation. The production and routing components of the GR4J and IHACRES models were combined to create two new models. Specifically, the GR_IH model is the combination of the production store of the GR4J model and the routing store of the IHACRES model (vice versa in the IH_GR model). The performances of the new models were compared to those of the GR4J

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Sezen, C., and T. Partal. "The utilization of a GR4J model and wavelet-based artificial neural network for rainfall–runoff modelling." Water Supply 19, no. 5 (2018): 1295–304. http://dx.doi.org/10.2166/ws.2018.189.

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Abstract Data-driven models and conceptual models have been utilized in an attempt to perform rainfall–runoff modelling. The aim of this study is comparing the performance of an artificial neural network (ANN) model, wavelet-based artificial neural network (WANN) model and GR4J lumped daily conceptual model for rainfall–runoff modelling of two rivers in the USA. It was obtained that the performance of the data-driven models (ANN, WANN) is better than the GR4J model especially when streamflow data the preceding day (Qt-1) and streamflow data the preceding two days (Qt-2) are used as input data

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Ayzel, Georgy, Liubov Kurochkina, Dmitriy Abramov, and Sergei Zhuravlev. "Development of a Regional Gridded Runoff Dataset Using Long Short-Term Memory (LSTM) Networks." Hydrology 8, no. 1 (2021): 6. http://dx.doi.org/10.3390/hydrology8010006.

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Gridded datasets provide spatially and temporally consistent runoff estimates that serve as reliable sources for assessing water resources from regional to global scales. This study presents LSTM-REG, a regional gridded runoff dataset for northwest Russia based on Long Short-Term Memory (LSTM) networks. LSTM-REG covers the period from 1980 to 2016 at a 0.5° spatial and daily temporal resolution. LSTM-REG has been extensively validated and benchmarked against GR4J-REG, a gridded runoff dataset based on a parsimonious regionalization scheme and the GR4J hydrological model. While both datasets pr

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Ayzel, Georgy, Liubov Kurochkina, Dmitriy Abramov, and Sergei Zhuravlev. "Development of a Regional Gridded Runoff Dataset Using Long Short-Term Memory (LSTM) Networks." Hydrology 8, no. 1 (2021): 6. http://dx.doi.org/10.3390/hydrology8010006.

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Gridded datasets provide spatially and temporally consistent runoff estimates that serve as reliable sources for assessing water resources from regional to global scales. This study presents LSTM-REG, a regional gridded runoff dataset for northwest Russia based on Long Short-Term Memory (LSTM) networks. LSTM-REG covers the period from 1980 to 2016 at a 0.5° spatial and daily temporal resolution. LSTM-REG has been extensively validated and benchmarked against GR4J-REG, a gridded runoff dataset based on a parsimonious regionalization scheme and the GR4J hydrological model. While both datasets pr

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Batelis, Stamatis C., and Ioannis Nalbantis. "A Multi-Model Multi-Scale Approach to Estimate the Impact of the 2007 Large-Scale Forest Fires in Peloponnese, Greece." Water 14, no. 20 (2022): 3348. http://dx.doi.org/10.3390/w14203348.

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The hydrological impact of large-scale forest fires in a large basin is investigated on both a daily and an hourly basis. A basin of 877 km2 was chosen, with 37% of its area having been burnt in the summer of 2007. Five models are employed, namely SWAT (semi-distributed), GR4J, GR5J, and GR6J (lumped) for the daily time step, and HEC-HMS (semi-distributed) for the hourly time step. As SWAT and HEC-HMS implement the SCS-CN method, the change in the Curve Number (CN) from pre-fire to post-fire conditions is estimated along with the post-fire trend of CN for both time steps. Regarding the daily t

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Kodja, Domiho Japhet, Arsène J. Sègla Akognongbé, Ernest Amoussou, et al. "Calibration of the hydrological model GR4J from potential evapotranspiration estimates by the Penman-Monteith and Oudin methods in the Ouémé watershed (West Africa)." Proceedings of the International Association of Hydrological Sciences 383 (September 16, 2020): 163–69. http://dx.doi.org/10.5194/piahs-383-163-2020.

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Abstract. The Ouémé watersheds at Bétérou and Bonou has been recently facing increased sensitivity to extreme hydroclimatic phenomena that occurred by flooding or drought events. In the same time, the population growth and the related socio-economic activities increased the pressure state on water resources. In this context, hydrological modeling is an important issue and this study aims at analyzing the calibration of the hydrological model GR4J based on PET Penman-Monteith and Oudin methods. Daily rainfall, Penman-Monteith and Oudin evapotranspiration and daily data flow from the Bétérou and

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Dissertations / Theses on the topic "GR4J model"

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López, Mella Daniel Marcelo. "Análisis y Aplicación del Modelo GR4J para Estimación de Caudales Medios Diarios en Cuencas Pluviales de Chile." Tesis, Universidad de Chile, 2007. http://www.repositorio.uchile.cl/handle/2250/104505.

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MAKHLOUF, ZOUBIR. "Complements sur le modele pluie-debit gr4j et essai d'estimation de ses parametres." Paris 11, 1994. http://www.theses.fr/1994PA112384.

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L'explication des parametres d'un modele pluie-debit est un element de la comprehension des ecoulements et une necessite pour une utilisation sur des bassins non-jauges. Nous avons montre que la parcimonie des parametres etait conciliable avec cet objectif en utilisant un modele a quatre parametres gr4j. Nous avons explore trois voies d'approche qui nous semblent prometteuses. D'abord nous avons exploite le lien qui pouvait exister entre parametres du modele gr4j et certaines variables classiques en hydrologie qui correspondent aux trois grands aspects de l'ecoulement (crue, ecoulement annuel

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Salvatierra, Seguel César Eduardo. "Determinación de la Incertidumbre en la Aplicación del Modelo de Simulación Hidrológica GR4J, en Cuencas Pluviales no Controladas en Chile." Tesis, Universidad de Chile, 2008. http://repositorio.uchile.cl/handle/2250/104900.

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Dada la continua necesidad de establecer técnicas que permitan asesorar un desarrollo sustentable de la gestión de recursos hídricos, la modelación hidrológica como alternativa descriptiva de las leyes y principios que gobiernan los fenómenos naturales se hace indispensable en los tiempos actuales. El estudio y cuantificación de la incertidumbre asociada a las simulaciones que los modelos hacen de la realidad, resultan indispensables para establecer los verdaderos alcances de un modelo hidrológico en particular. En este trabajo, se aborda el estudio de la incertidumbre asociada a los pa

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Rawat, Shiv Singh. "Integrated water resource assessment of irrigation system of Haryana." Thesis, 2018. http://localhost:8080/iit/handle/2074/7610.

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Book chapters on the topic "GR4J model"

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Kirchner, Michael, Mirjana Stevanov, and Max Krott. "How to Use Scientific Information: Road Map for Tailoring Your Own Natural Hazard Risk Management Solution." In Protective forests as Ecosystem-based solution for Disaster Risk Reduction (ECO-DRR) [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99518.

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In this chapter, we explain how scientific information can effectively be used in the daily work of practitioners. We lead through the process of tailoring research results and scientific information to support an integrated and ecosystem-based natural hazard risk management in the form of a Road Map. This Road Map is based on the RIU (Research Integration Utilization) model for knowledge transfer and backed-up with our long-standing research experience. To illustrate the Road Map, which can be applied to any case of transferring scientific knowledge into practice, we summarize the main results of the GreenRisk4ALPs (GR4A) research project, and propose three steps for integrating them into applied projects or other activities: (1) “Diagnosis” - estimating the relevance of scientific information for applied risk or forest management, (2) “Consultation” - estimating the soundness of the scientific information through consultations with researchers, and (3) “Implementation” – checking the legal framework and the economic resources for the preferred solution. Furthermore, we provide a checklist for stakeholders for tailoring science-based solutions to their practical use, which contributes to facilitating the implementation of research results and can guide policy and practice. Finally, the theoretical and methodological background of the Road Map are presented and discussed.

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Conference papers on the topic "GR4J model"

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"The influence of different objective functions in GR4J model-on-model performance for streamflow forecasting application." In 25th International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand, 2023. http://dx.doi.org/10.36334/modsim.2023.nguyen546.

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Ticona Flores, Mario Antonio, Jorge Dionicio Valarezo Loaiza, Abel Carmona Arteaga, and Edmundo Vereau Miranda. "Daily flow generation using the GR4j model and ERA5 gridded climatic information in the Jequetepeque basin up to the Yonán station." In 21st LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI 2023): “Leadership in Education and Innovation in Engineering in the Framework of Global Transformations: Integration and Alliances for Integral Development”. Latin American and Caribbean Consortium of Engineering Institutions, 2023. http://dx.doi.org/10.18687/laccei2023.1.1.182.

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Córdova Flores, Marvin Paul, Andrea Falero Alama, Abel Carmona Arteaga, and Edmundo Vereau Miranda. "Generation of daily flows using the GR4j model and the ERA5 gridded climatic product in the Crisnejas basin up to the Puente Crisnejas hydrometric station." In 21st LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI 2023): “Leadership in Education and Innovation in Engineering in the Framework of Global Transformations: Integration and Alliances for Integral Development”. Latin American and Caribbean Consortium of Engineering Institutions, 2023. http://dx.doi.org/10.18687/laccei2023.1.1.181.

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Arias-Reátegui, Gabriela Alejandra, Alessandra Joseline Bazalar-Delgado, Abel Carmona-Arteaga, and Neicer Campos-Vasquez. "Application of the GR4j hydrological model for the estimation of daily flows using the ERA5 gridded data set in the Zaña river basin up to the Batan hydrometric station." In 20th LACCEI International Multi-Conference for Engineering, Education and Technology: “Education, Research and Leadership in Post-pandemic Engineering: Resilient, Inclusive and Sustainable Actions”. Latin American and Caribbean Consortium of Engineering Institutions, 2022. http://dx.doi.org/10.18687/laccei2022.1.1.175.

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"Water yield assessment for major river basins of Afghanistan using GR4J and GR4JSG models." In 25th International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand, 2023. http://dx.doi.org/10.36334/modsim.2023.karim636.

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"Evaluation of Simhyd, Sacramento and GR4J rainfall runoff models in two contrasting Great Barrier Reef catchments." In 20th International Congress on Modelling and Simulation (MODSIM2013). Modelling and Simulation Society of Australia and New Zealand (MSSANZ), Inc., 2013. http://dx.doi.org/10.36334/modsim.2013.l22.zhang.

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