6. One paragraph description of your model (e.g. abstract from report or
   paper);             

A physically-based land surface model that include multi-layer soil, 
vegetation effects, and snow cover prediction.
                                 
50. Please provide references relevant to the model description and use.

Ref: Kim and Ek, 1995, JGR, v. 100, No. D10, 20845-20854.