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Get Started with airGR6 months ago
Introduction | Loading data | Preparation of functions inputs | InputsModel object | RunOptions object | InputsCrit object | CalibOptions object | Criteria | Calibration | Control | Simulation | Simulation run | Results preview | Efficiency criterion | Features diagram | References
Parameter estimation within a Bayesian MCMC framework6 months ago
Introduction | Scope | Standard Least Squares (SLS) Bayesian inference | MCMC algorithm for Bayesian inference | Estimation of the best-fit parameters as a starting point | Running 3 chains for convergence assessment | MCMC diagnostics and visualisation tools | Exploring further possibilities
Plugging in new calibration algorithms in airGR6 months ago
Introduction | Scope | Definition of the necessary function | Local optimization | Global optimization | Differential Evolution | Particle Swarm | MA-LS-Chains | Results | Multiobjective optimization | caRamel
Simulated vs observed upstream flows in calibration of semi-distributed GR4J model6 months ago
Introduction | Scope | Model description | Calibration of the upstream subcatchment | Calibration of the downstream subcatchment | Creation of the InputsModel objects | Calibration with upstream flow observations | Calibration with upstream simulated flow | Calibration with upstream simulated flow and parameter regularisation | Discussion | Identification of Velocity parameter | Value of the performance criteria with theoretical calibration | Parameters and performance of each subcatchment for all calibrations | References
Using satellite snow cover area data for calibrating and improving CemaNeige6 months ago
Introduction | Scope | Data preparation | loading catchment data | Object model preparation | Calibration and evaluation of the new CemaNeige module | Comparison with the performance of the initial CemaNeige version | References
Teaching hydrology with airGRteaching1 years ago
Data loading | Understanding rainfall-runoff modelling | The role of model components and parameters | On the need to perform a model warm-up | Model calibration | Manual calibration | Automatic calibration | How to evaluate model calibration? | Streamflow transformation for model calibration | Impact of objective functions | Model evaluation and robustness | Split-sample test | Differential split-sample test | Other applications | References
Reconstitution de débits2 years ago
Énoncé | Contexte | Consignes | Modèle pluie-débit | Période de calage (et d’initialisation) | Critère de calage | Estimation manuelle des paramètres de GR2M | Calage automatique des paramètres de GR2M | Période d'évaluation | Période de simulation | Données disponibles | Éléments de correction | Chargement et mise en forme des données | Préparation des données pour GR2M | Calage manuel | Calage automatique | Evaluation | Reconstitution | Références
Streamflow reconstruction2 years ago
Objective | Context | Instructions | Rainfall-runoff model | Calibration (and warm-up) period | Calibration criteria | Manual estimation of GR2M parameters | Automatic calibration of GR2M parameters | Evaluation period | Simulation period | Data available | Command lines for the production of simulations | Loading and formatting of data | Preparing the data for GR2M | Manual calibration | Automatic calibration | Evaluation | Reconstitution | References
Low-flow forecasting2 years ago
Objective | Context | Instructions | Analysis of streamflow climatology | Rainfall-runoff model | Calibration (and warm-up) period | Calibration criterion | Automatic calibration of the model parameters | Simulation period | Pessimistic scenario of zero precipitation | Non-zero future precipitationscenario | Data available | Command lines for the production of simulations | Loading and formatting of data | Initial time series | Ploted time series | Observed time series | Forecast time series | Data processing for GR6J | GR6J calibration on the historical period | Pessimistic zero precipitation scenario | Non-zero future precipitation scenarios | References
Prévision de bas débits2 years ago
Énoncé | Contexte | Consignes | Analyse de la climatologie des débits | Modèle pluie-débit | Période de calage (et d’initialisation) | Critère de calage | Calage automatique des paramètres du modèle | Période de simulation | Scénario pessimiste de précipitations nulles | Scénario de précipitations futures non nulles | Données disponibles | Éléments de correction | Chargement et mise en forme des données | Initial time series | Ploted time series | Observed time series | Forecast time series | Préparation des données pour GR6J | Calage de GR6J sur la période historique | Scénarios de précipitations futures non nulles | Références
Impact du changement climatique sur le régime des débits2 years ago
Énoncé | Contexte | Consignes | Calcul du régime des débits | Génération des séries climatiques futures | Modèle pluie-débit et module de neige | Période de calage (et d’initialisation) | Critère de calage | Calage automatique des paramètres du modèle | Données disponibles | Éléments de correction | Chargement et mise en forme des données | Calage automatique de GR4J et de CemaNeige | Calcul des régimes observé et simulé sur la période CP | Génération des séries climatiques de la période future | Simulation pluie-débit sur la période future | Calculs du régime simulé sur la période CF | Références
Impact of climate change on streamflow regime2 years ago
Objective | Context | Instructions | Calculation of the streamflow regime | Generation of future climate series | Rainfall-runoff model and snow module | Calibration (and warm-up) period | Calibration criterion | Automatic parameter calibration of the model | Data available | Command lines for the production of simulations | Loading and formatting of data | Automatic calibration of GR4J and CemaNeige | Calculation of the observed and simulated regimes over the present time | Generation of climate series for the future period | Rainfall-runoff simulation for the future period | Simulated streamflow regime calculations over the future period | References
Generalist parameter sets for the GR4J model3 years ago
Introduction | Scope | Data preparation | Object model preparation | Calibration of the GR4J model with the generalist parameter sets | Calibration of the GR4J model with the built-in Calibration_Michel function | GR4J parameter distributions quantiles used in the grid-screening step | GR4J parameter sets used in the grid-screening step | References
Get Started with airGRteaching3 years ago
Hydrological modelling in three steps | Preparation of input data | Calibration step | Simulation step | Formating outputs | Pre-defined graphical plots | Static plots | Dynamic plots | Graphical user interface