6. One paragraph description of your model (e.g. abstract from report or
   paper);
The snow model used was the Utah Energy Balance (UEB) model (Tarboton et
al., 1995; Tarboton and Luce, 1996) which represents the snowpack at each
point on a grid over the watershed in terms of two state variables, water
equivalence and energy content. A third state variable is used to 
quantify the snow surface age, used for albedo calculations. The use of 
only three state variables makes the model parsimonious and suitable for 
application at each grid cell within a distributed hydrological model. 
The model uses a parameterization of surface heat flux into the snow 
based on the difference between the snow surface and average snowpack 
temperatures to balance external energy fluxes at the snow surface and 
calculate snow surface temperature without introducing additional state 
variables.

50. Please provide references relevant to the model description and use.

Luce, C. H., D. G. Tarboton and K. R. Cooley, (1997),"Spatially
Distributed Snowmelt Inputs to a Semi-Arid Mountain Watershed," 
in Proceedings of the Western Snow Conference, Banff, Canada, May 5-8, 
1997. 
  
Tarboton, D. G. and C. H. Luce, (1996), "Utah Energy Balance Snow
Accumulation and Melt Model (UEB)," Computer model technical description 
and users guide, Utah Water Research Laboratory and USDA Forest Service 
Intermountain Research Station. 

Tarboton, D. G., T. G. Chowdhury and T. H. Jackson, (1995),"A 
Spatially Distributed Energy Balance Snowmelt Model," in 
Biogeochemistry of Seasonally Snow-Covered Catchments, ed. K. A. 
Tonnessen et al., Proceedings of a Boulder Symposium, July 3-14, 
IAHS Publ. no. 228, p.141-155. 
  
Tarboton, D. G., (1994),"Measurement and Modeling of Snow Energy
Balance and Sublimation From Snow," in Proceedings, International Snow 
Science Workshop, Snowbird, Utah, October 31 to November 2,
Utah Water Research Laboratory working paper no. WP-94-HWR-DGT/00

Tarboton, D. G. and C. H. Luce, (1996), "Utah Energy Balance Snow
Accumulation and Melt Model (UEB)," Computer model technical description
and users guide, Utah Water Research Laboratory and USDA Forest Service
Intermountain Research Station.  

(see also  http://www.engineering.usu.edu/dtarb/)

___________________________________________________________
David Tarboton                     Email: dtarb@cc.usu.edu
Associate Professor                Ph: 801-797-3172
Utah Water Research Laboratory     Fax: 801-797-1185
Civil and Environmental Engineering
Utah State University, Logan UT 84322-4110  	
___________________________________________________________