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Girard form class is a form quotient calculated as the ratio of diameter inside bark at the top of the first 16 foot log to the diameter outside bark at breast height ().Its purpose is to estimate board-foot volume of whole trees from measurement of DBH, estimation of the number of logs, and estimation of the taper of the first log, based on the general relationships identified between the ...
Tree height is the vertical distance between the base of the tree and the highest sprig at the top of the tree. The base of the tree is measured for both height and girth as being the elevation at which the pith of the tree intersects the ground surface beneath, or "where the acorn sprouted."
To calculate trunk volume, the tree is subdivided into a series of segments with the successive diameters being the bottom and top of each segment and segment length being equal to the difference in height between the lower and upper diameters, or if the trunk is not vertical, the segment length can be calculated using the limb length formula ...
Coverage ratio may refer to Building coverage ratio, related to floor area ratio; Debt service coverage ratio; Interest coverage ratio This page was last edited on 6 ...
Not to be confused with Grundflächenzahl (GRZ), which is the Site Coverage Ratio. In India floor space index (FSI) and floor area ratio (FAR) are both used. [7] In the United Kingdom and Hong Kong both plot ratio and site ratio are used. [8] [9] In Singapore the terms plot ratio and gross plot ratio (GPR) are more commonly used.
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The Robinson–Foulds or symmetric difference metric, often abbreviated as the RF distance, is a simple way to calculate the distance between phylogenetic trees. [1]It is defined as (A + B) where A is the number of partitions of data implied by the first tree but not the second tree and B is the number of partitions of data implied by the second tree but not the first tree (although some ...