Fig. 1.
The geometry used to calculate stem inclination. α, Elevation angle; h, tree height; h0, eye level of the measurer; θ′, stem inclination with respect to the plane of inclination; θ, stem inclination.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.