Combining metamodels with data assimilation schemes allows the incorporation of up-to-date information in metamodels. offering new opportunities for operational water resources management. We developed a data assimilation scheme for the unsaturated zone metamodel MetaSWAP using OpenDA. which is an open source data assimilation framework. https://olivebookmarks.com/story19598698/red%C3%A9finition-des-r%C3%A9cits-urbains-analyse-de-deux-d%C3%A9placements-du-centre-politique-de-macap%C3%A1-1944-et-1967