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From:  "Roger E. Rivero Vega" <[log in to unmask]>
Reply-To:  DSSAT - Crop Models and Applications <[log in to unmask]>
To:  [log in to unmask]
Subject:  Re: Energy and water balance
Date:  Thu, 19 Apr 2007 11:05:45 -0500
>Dear friends and colleagues:
>
>I ask your forgiveness for replying to all of you and in this way
>crowding
>our Mail List.
>
>Radiation balance equation, soil and atmospheric water balance
>equations,
>and energy balance equation, can be combined in a handful of ways to
>derive
>what could be called climatic and bioclimatic indexes. We have done
>this
>around here to study large scale causes of meteorological droughts,
>different aspects of meteorological and agricultural droughts, and
>as a
>basis for drought surveillance and early warning systems. This kind
>of
>analysis has also been done here for climate change impact
>assessments.
>Sorry we have none of this in English and no available softwares.
>
>These approaches seem to belong to a somewhat  relegated branch of
>meteorology and climatology named Physical Climatology. You may find
>rather
>detailed accounts of this branch of science in works and books made
>by the
>former russian school (Budyko and Riabchikov) and western authors as
>Sellers
>and Geiger.
>
>I don't know of a specific use of these tools in modern biophysical
>crop
>models.
>
>With my very best wishes for all of you,
>
>Roger E. Rivero Vega
>
>----- Original Message -----
>From: "vasiraju murthy" <[log in to unmask]>
>To: <[log in to unmask]>
>Sent: Wednesday, April 18, 2007 7:24 PM
>Subject: Energy and water balance
>
>
>>Dear members,
>>
>>Regards and best wishes,
>>
>>The following question is with reference to "Energy and water
>>balance".
>>
>>When the energy balance Rn = H+LE+G+Mi and the water balance P
>>=E+I+R+Mi,
>>then a  study on the combined effect of these two balances would
>>possibly
>>provide some logical information useful as  operational
>>agrometeorological
>>service/s. Are any CGMs, GCMs etc., have components dealt in this
>>direction?If so, the source of availability of software may kindly
>>be
>>informed.
>>
>>Sincerely,
>>
>>Murthy.
>>
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>>