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Blowing in the Wind: Storm-Resisting Features of the Design of Trees

Reference Type
Journal, Research (Article)

"Many of the features of trees represent arrangements that minimize the chance that they will uproot when exposed to high winds. At least four schemes, singly or in combination, keep the bases of trees from rotating in the face of the turning moment imposed by the drag of their leaves. Trunks and petioles are relatively more resistant to bending than to twisting, giving good support but permitting drag-reducing reconfiguration in high winds. Leaves curl and cluster in a variety of ways, all of which greatly reduce the drag they incur relative to the values for ordinary thin and flexible objects such as flags. However, information derived from measurement and experimentation about such mechanical matters is still quite limited."

Authors
S. Vogel
Date Published
2004
Journal/Conference
Journal of Arboriculture
Publisher
International Society of Arboriculture
Publisher Location
Champaign, IL (US)
ISBN/ISSN
0278-5226
Volume/Issue/Number
22//2
Sub-Topics
Mechanics (tree), Risk Assessment and Hazard
State(s)/Region(s)
Georgia
Keywords
Bending, Storm, Twisting, Uproot, Wind, Windthrow
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