The two models for estimating the top height of lodgepole pine (Pinus contorta var. latifolia Dougl.) are designed to function over different age ranges: a juvenile height model for total ages below 15 and a height-age model above breast height age ½. Four options are available to splice these models together to give a smooth height trajectory near the splice point. The option resulting in the smoothest trajectory uses the juvenile height model below breast height age 0 and the height-age model above breast height age 2, and linearly interpolates heights between breast height age 0 and 2.
Nigh, G.D.. 2007. Smoothing Top Height Estimates from Two Lodgepole Pine Height Models. British Columbia Ministry of Forests, Lands, Natural Resource Operations and Rural Development. Extension Note (FLNRORD). EN30
Topic: FLNRORD Research Program
Keywords: Growth, Yield
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