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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Eleni,</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>You can have some of the parameters for Type
77 from the NASA Surface Meteorology and Solar Energy database. You can have
the annual average, monthly average and annual amplitude of soil surface
temperature that you can use as inputs to Type 77 for any location around the
world. I think you will need to register before you can have access to the
database.</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Best regards</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Abdullahi</span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<div>
<p class=MsoNormal><font size=3 color=blue face="Times New Roman"><span
style='font-size:12.0pt;color:blue'>Abdullahi Ahmed </span></font><font size=1
color=blue><span style='font-size:8.0pt;color:blue'>(BSc. MSc.)</span></font><font
size=1 color=blue><span style='font-size:8.0pt;color:blue'> Postgraduate
researcher</span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:blue'>School of the Environment</span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:blue'>University of Brighton</span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:blue'>Cockcroft Building</span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:blue'>Lewes Rd.</span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:blue'>Brighton</span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:blue'>BN2 4GJ</span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:blue'> </span></font></p>
<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:blue'>Tel: +44 01273 643455</span></font></p>
</div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=black
face=Tahoma><span lang=EN-US style='font-size:10.0pt;font-family:Tahoma;
color:windowtext'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> David Bradley
[mailto:bradley@tess-inc.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> 08 December 2008 18:53<br>
<b><span style='font-weight:bold'>To:</span></b> eleni ampatzi<br>
<b><span style='font-weight:bold'>Cc:</span></b> trnsys-users@cae.wisc.edu<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [TRNSYS-users] type
703 parameters</span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt'> </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt'>Eleni,<br>
Sorry for the delay in getting back to you. I think that
"undisturbed" in this case is just referring to the temperature of
soil far enough away from the building that it is not affected by anything other
than the time of year and depth. You can use the Type77 Ground Temperature
model to get the soil temperature. A good guess for the average annual deep
earth soil temperature is the average annual air temperature. The amplitude is
the difference between the maximum average monthly temperature and the minimum
average monthly temperature (you should be able to figure that out from the
data file). The shift is the day on which the minimum temperature occurs and
again should be obtainable from the weather file. <br>
Kind regards,<br>
David<br>
<br>
<br>
eleni ampatzi wrote: </span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3 color=black
face="Times New Roman"><span style='font-size:12.0pt'>Dear All,<br>
<br>
I am using type 703 and I have a question regarding parameters 8,9,10 which
refer to the surface temperature- temperature of undisturbed soil. What does
'undisturbed soil' mean exactly? I can get measurements from local weather
stations regarding the soil temperature at various depths; hourly values
measured at 10cm depth, daily values taken at 9am for 30cm and 100cm depth. <br>
<br>
If I use average soil temperature measurements for 10cm depth, would that be a
correct dataset to use in orfed to derive mean surface temperature, amplitude
of surface temperature and day of min surface temperature? Would surface
temperature differ a lot from the soil temperature at 10cm? Thank you in
advance<br>
<br>
Best Regards<br>
<br>
Eleni<br clear=all>
<br>
-- <br>
Eleni Ampatzi<br>
PhD Candidate<br>
Welsh School of Architecture<br>
Cardiff University<br>
<br>
</span></font></p>
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style='margin-left:36.0pt'><font size=2 color=black face="Courier New"><span
style='font-size:10.0pt'>David BRADLEY 22 N. Carroll Street - Suite 370 </span></font></pre><pre
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