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Sender:	DSSAT - Crop Models and Applications <[log in to unmask]>
Subject:	Re: Converting W into MJ day-1
From:	Matthias Langensiepen <[log in to unmask]>
Date:	Wed, 28 Aug 2002 22:51:51 +0200
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Reply-To:	DSSAT - Crop Models and Applications <[log in to unmask]>
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Hello Nataraj,

the conversion relation is
1 W = 1 J s-1.

So, if you want to get MJ m-2 day-1
(SRAD in DSSAT) you will need to
multiply your hourly values (Wm-2)
by 0.0036 and sum these values
over the whole day (integration).

Likewise, you could also sum up the
10 minute records using a conversion
factor of 0.0006.

Good luck.

Matthias

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