Digital Elevation Model

Wind River Canopy Crane Research Facility

Scott N. Martens

22 October 1997

The images here were made from the 1 m resolution data provided by Jiquan Chen.   Most are of the full-extent of the mapped area (400 m east-west by 200 m north-south). 

DEM of mapped area (400 m x 200 m)

Contour interval is 1 m.  Higher elevations are at the left, in darker colors.   Elevation range is 21.5 m, from 86.5 m to 108.0 m.  See the close-up of the PAR simulation area below.

Shaded relief of mapped area (400 m x 200 m)

Illumination direction is 315 degrees azimuth, 45 degrees elevation.  Note the "bumpiness".  Casual inspection suggests it is not related to the positions of trees. 

Aspect

Aspect map derived from the 1 m resolution DEM. 

Slope

Slope map of area.  Maximum slope is 33.5%.  Note that the greatest slopes are along the drainage.

DEM of mapped area (400 m x 200 m) with PAR overlay

The direct PAR simulation results (for summer solstice, 21 June 1997) at 1 m resolution for a 50 m x 50 m region were overlaid on the DEM. Higher elevations are at the left, in darker colors.  Elevation range is 21.5 m, from 86.5 m to 108.0 m.  See the close-up of the PAR simulation area below.

Close-up of PAR map and trees

Close-up of the area of PAR simulation.  The circles represent locations of trees and their size is proportional to tree height (not tree or crown diameter).

Questions?  Contact Scott:  scott@cstars.ucdavis.edu