Complex STELLA Models and Berkeley Madonna

James P. Hoffmann

During my part of this short course I will introduce you to some more complex STELLA models, some features in STELLA that are useful in organizing complex STELLA models, and a comparable software package, known as Berkeley Madonna, that when used in concert with STELLA, extends your ability to work with more complex and computationally-intensive dynamic models. Specifically, here is what I will cover today:

· A detailed look at a complex STELLA model: Phosphorus dynamics of the LaPlatte River, Shelburne, VT

- The LaPlatte River

- Overview of the modules of this model, Input and Output Sector, P Integration Module

- How sectors and ghosts are used in the model

- Demonstration of running the model

· STELLA plus Berkeley Madonna

- Overview of Berkeley Madonna

- Comparison of Berkeley Madonna to STELLA

· Demonstration of Berkeley Madonna

- Importing a STELLA model into Berkeley Madonna

- Using some of Berkeley Madonna’s features to explore model behavior

· Concluding Remarks

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