The Hydra Model is a carbon and water model for an individual tree. It is written in Borland Delphi (version 3, service pack 2) for IBM PC compatibles.

The following files are available:

Hydra Version 2.0.0

HowtoHydra.doc - A Word 97 document describing how to use the Hydra model.
hydraDescrp.doc - A Word 97 document describing the Hydra model.
layerFig.doc - A Word 97 document containing a figure of the Hydra layers.
TreeFig.doc - A Word 97 document containing the Tree figure.
hydra - The Hydra Model executable, a parameter file and a driver file. Compatible with Windows only.

This material is based upon work supported by the National Science Foundation under grants #OPP-9318529, OPP-9732281, DEB-9509613, and DEB-0108960 and the Environmental Protection Agency under grants RFQ-RT-00-00107 and QT-RT-00-001667. Any opinions, findings, conclusions, or recommendations expressed in the material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation or the Environmental Protection Agency