[NARCCAP-discuss] narccap-discuss Digest, Vol 18, Issue 3
Melissa Bukovsky
bukovsky at ucar.edu
Thu Jan 31 14:19:17 MST 2013
Hi Jonas,
Are they identical over water? They should be. If they're not over
land by that percentage or more, then one may include transpiration and
one may not. It's also possible that one is instantaneous (this may be
latent heat) and one is a 3-hour average (evps should be this way).
Cheers,
Melissa
On 1/31/13 12:00 PM, narccap-discuss-request at mailman.ucar.edu wrote:
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> 1. Evaporation Variables (Jonas Roberts)
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> Message: 1
> Date: Thu, 31 Jan 2013 12:25:54 -0330
> From: Jonas Roberts <jonaspmr at gmail.com>
> Subject: [NARCCAP-discuss] Evaporation Variables
> To: Discussion of NARCCAP data - uses and questions
> <narccap-discuss at mailman.ucar.edu>
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> <CALyA44CTSi+WBV5c=-CM0TtXF-WcPw37FLtYdjsStg_ehynL0w at mail.gmail.com>
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> Hello,
>
> I was hoping you could clarify exactly what the variable EVPS is
> representing. The data tables online say it is the "Surface Evaporation of
> Condensed Water." Does this include transpiration from plants (ie. does ot
> represent the total evapotranspiration rate)?
>
> When I convert HFLS (Surface Latent Heat Flux) to evaporation rate I get
> similar results to EVPS, though they are not identical (off by 5-10%).
>
> Is EVPS derived from HFLS directly, in which case my conversion is slightly
> off, or is there an inherent difference?
>
> Thanks for your time,
>
> Jonas Roberts
> PhD Candidate
> Faculty of Engineering and Applied Science
> Memorial University of Newfoundland
> j.roberts at mun.ca
>
>
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> End of narccap-discuss Digest, Vol 18, Issue 3
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