Re: OT: wind chill and plants
- To: iris-talk@onelist.com
- Subject: Re: [iris-talk] OT: wind chill and plants
- From: G*@aol.com
- Date: Tue, 18 Jan 2000 20:54:34 EST
From: Gmbeasle@aol.com
In a message dated 01/18/2000 10:50:51 AM Eastern Standard Time,
BILLS@hsc.edu writes:
> I wonder if wind chill is as important to low-growing plants as it is to
> humans. Wind chill temperatures are calculated as their effect on us. It
> can be quite different within a foot of the ground, where wind velocities
> are much slower.
>
> Can anyone enlighten us on this?
I don't think wind chill is an issue with plants at all. Wind chill is just
how difficult it is for warm blooded animals to maintain their body
temperature. i.e. how fast the wind carries the heat away from the surface.
Neither plants nor machines (such as car engines) need to take wind chill
into account.
Just as the humiture index, or the heat stress index is a mammalian thing,
and not a problem for plants.
Wind can do other things to plants, such as dehydrate them. But I think
that's more a function of the speed and moisture of the air rather than the
temperature.
RosalieAnn the industrial health person who asked that question about her
car engine last year, in Baltimore, MD USA.
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