Aerodynamics - height of trees

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posted 12 years ago

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I'm about to top some big spruces, but I'm wondering if there is any rule of thumb when it comes to height of "hedge" to height of house and turbulence?

Fred Morgan

steward

Posts: 979

Location: Northern Zone, Costa Rica - 200 to 300 meters Tropical Humid Rainforest

posted 12 years ago

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One thing to take into account, you don't want to remove more than 1/3 at a time of the foliage.

The height of the hedge to house probably needs to also have distance from the house.

Sustainable Plantations and Agroforestry in Costa Rica

andrew curr

Posts: 288

Location: Deepwater northern New South wales Australia

posted 12 years ago

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Is this to reduce shading?

we have to forest our farms and farm our forests

Hoeye Vokter

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posted 12 years ago

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It's all spruces, 40ft windbreakers... taking them because I need wood, and because they will fall over soner or later.. a few as already been blown over...

I will no doubt get more noise and movement in the house when the wind hits my roof, but I was thinking/hoping I could lessen it by topping at some magical aero-point, or something... =o)

gani et se

Posts: 222

Location: Douglas County OR

posted 12 years ago

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According to a South Dakota extension service pdf here wind speed reduction is measurable 2 - 5 times the height of the windbreak.
Hope that helps.
Gani

Intermountain (Cascades and Coast range) oak savannah, 550 - 600 ft elevation. USDA zone 7a. Arid summers, soggy winters

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