drag coefficient

The resistance of an object (such as the crown of a tree) to a fluid (such as air), associated with a particular surface area, shape (form drag) and surface (drag due to friction).

sail area,
sculpted (by vehicles),
sculpted (by wind),
static integrated method (SIM)

This definition is abridged from A – Z of tree terms: A companion to British arboriculture.
Read the preface. Order the book.

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