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<p class=MsoNormal><font size=2 color="#333399" face=Arial><span lang=EN-IE
style='font-size:10.0pt;font-family:Arial;color:#333399'>The department of
Mathematics and Statistics invites you to a seminar by </span></font><font
size=2 color="#333399" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#333399'>Dr. </span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Peter Heng</span></font><font
size=2 color="#333399" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#333399'> (</span></font><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy'>Civil and Building Engineering,
<st1:place w:st="on"><st1:City w:st="on">Loughborough University</st1:City>, <st1:country-region
w:st="on">UK</st1:country-region></st1:place></span></font><font size=2
color="#333399" face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:#333399'>): <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#333399" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#333399'> </span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-IE
style='font-size:10.0pt;font-family:Arial;color:navy'>---------------------------------------------------------------------------------------</span></font><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-IE
style='font-size:10.0pt;font-family:Arial;color:navy'>Title: </span></font><b><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy;font-weight:bold'>Modelling soil erosion and sediment/nutrient
transport<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-IE
style='font-size:10.0pt;font-family:Arial;color:navy'>Abstract: Soil
erosion and the associated nutrient fluxes can lead to severe land degradation
and the pollution of surface waters. By coupling the physics-based
Hairsine-Rose soil erosion model with the Saint-Venant equations, we can model
the dynamic processes of soil erosion and sediment transport over non-uniform topography.
The model output, given in terms of discharge and sediment concentrations, can
then be used to predict nutrient fluxes from the system.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-IE
style='font-size:10.0pt;font-family:Arial;color:navy'>We present here a finite
volume scheme for the solution of the full hyperbolic system and show that the
model can reproduce experimental observations of soil erosion under a number of
different scenarios.<o:p></o:p></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><font
size=2 color=navy face=Arial><span lang=EN-IE style='font-size:10.0pt;
font-family:Arial;color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#333399" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#333399'>The seminar will take
place on </span></font><b><font size=2 color=navy face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:navy;font-weight:bold'>Friday
14<sup>th</sup> May</span></font></b><b><font size=2 color="#333399"
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:#333399;
font-weight:bold'>, at 4pm</span></font></b><font size=2 color="#333399"
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:#333399'>, in
A2-002.</span></font><font color="#333399"><span style='color:#333399'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 color="#333399" face="Times New Roman"><span
style='font-size:12.0pt;color:#333399'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If you have any questions regarding this
seminar, please direct them to Sarah Mitchell (061 202259, <span
class=MsoHyperlink><font color=navy title="blocked::mailto:sarah.mitchell@ul.ie"><span
title="blocked::mailto:sarah.mitchell@ul.ie"><span style='color:navy;
text-decoration:none'>sarah.mitchell@ul.ie</span></span></font></span>).
A full list of Seminars for this semester can be found at: </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-IE
style='font-size:10.0pt;font-family:Arial;color:navy'><a
href="http://www.staff.ul.ie/mitchells/MACSI_seminars.html"
title="blocked::http://www.staff.ul.ie/mitchells/MACSI_seminars.html"><font
color=navy title="blocked::http://www.staff.ul.ie/mitchells/MACSI_seminars.html"><span
title="blocked::http://www.staff.ul.ie/mitchells/MACSI_seminars.html"><span
title="blocked::http://www.staff.ul.ie/mitchells/MACSI_seminars.html"><span
style='color:navy;text-decoration:none'><span
title="blocked::http://www.staff.ul.ie/mitchells/MACSI_seminars.html">http://www.staff.ul.ie/mitchells/MACSI_seminars.html</span></span></span></font></span></a></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-IE
style='font-size:10.0pt;font-family:Arial;color:navy'>----------------------------------------------------------------------------</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-IE
style='font-size:10.0pt;font-family:Arial;color:navy'>Supported by Science
Foundation Ireland Mathematics Initiative funding, MACSI - the Mathematics
Applications Consortium for Science and Industry (<span class=MsoHyperlink><span
title="blocked::www.macsi.ie"><font color=navy title="blocked::www.macsi.ie"><span
title="blocked::www.macsi.ie"><span style='color:navy;text-decoration:none'>www.macsi.ul.ie</span></span></font></span></span>),
centred at the University of Limerick, is dedicated to the mathematical
modelling and solution of problems which arise in science, engineering and industry
in Ireland</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-IE
style='font-size:10.0pt;font-family:Arial;color:navy'>----------------------------------------------</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 color=navy face="Times New Roman"><span
style='font-size:12.0pt;color:navy'><img border=0 width=142 height=142
id="_x0000_i1025" src="cid:image001.jpg@01CAF27C.96376640"></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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