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RE: [AGA Member] how many wpg is the sunlight?



--- Phil Edwards <biotypical@hotmail.com> wrote:
> On a totally clear day, but accounting for humidity, the
> middle of the open 
> Amazon is going to get 1000 watts per square meter. 


Is that the actual energy, as light, it will receive,
expressed in watts or is that the amount of watts necessary
for a fluorescent lamp to give an equivalent amount of
light?

sh
> That's approximately 
> 1000w/10 sq. ft or 100w/sq. ft.
> 
> Taking into consideration the averages for atmospheric
> conditions and shade 
> from various things like trees the actual average amount
> is closer to 
> 800watts/sq. meter, or 80 watts/sq. ft.
> 
> 
> 
> Hope this helps some,
> Phil Edwards
> Charlotte, NC
> 
>
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=====
S. Hieber
-  -   -   -   -   -   -   -
Aquascaping by Takashi Amano and more at
the AGA 2004 Annual Convention
Nov 12, 13 & 14; Marriott Crystal Gateway, Arlington, Virginia, USA
Details & Registratin at www.aquatic-gardeners.org

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