Title: A Software Framework for Construction of Process-Based Stochastic Spatio-Temporal Models and Data Assimilation
Citation: ENVIRONMENTAL MODELLING & SOFTWARE vol. 25 no. 4 p. 489 - 502
Publication Year: 2010
JRC N°: JRC49528
ISSN: 1364-8152
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC49528
DOI: 10.1016/j.envsoft.2009.10.004
Type: Articles in periodicals and books
Abstract: Process-based spatio-temporal models simulate changes over time using equations that represent real world processes. They are widely applied in geography and earth science. Software implementation of the model itself and assimilation of the model with observations are two important steps in the model development cycle. Unlike most software frameworks that provide tools for either implementation of the model or data assimilation, this paper describes a software framework that integrates both steps. The software framework includes generic operations on 2D map and 3D block data that can be combined in a Python script using a framework for time iterations and Monte Carlo simulation. In addition, the framework contains components for data assimilation with the Ensemble Kalman Filter and the Particle filter. Two case studies of distributed hydrological models show how the framework integrates model construction and data assimilation.
JRC Directorate:Sustainable Resources

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