<html><body><div style="font-family: arial,helvetica,sans-serif; font-size: 12pt; color: #000000"><div><div class="moz-text-html" lang="x-western"><div class="WordSection1"><p class="MsoNoSpacing"><a name="_Hlk527980879"><span style="font-size:12.0pt;font-family:"Garamond",serif;border:none windowtext 1.0pt;padding:0in">Wednesday November 28 at 4:30 in Bowen Hall 222 (Auditorium). </span></a></p><p class="MsoNoSpacing"><span style="mso-bookmark:_Hlk527980879"><b><span style="font-size:12.0pt;font-family:"Garamond",serif;border:none windowtext 1.0pt;padding:0in"> </span></b></span></p><p class="MsoNoSpacing"><span style="mso-bookmark:_Hlk527980879"><b><span style="font-size:12.0pt;font-family:"Garamond",serif;border:none windowtext 1.0pt;padding:0in">“Ground-penetrating radar (GPR) methods to map and evaluate buried and architectural remains: examples from around the world”</span></b></span></p><p class="MsoNoSpacing"><span style="mso-bookmark:_Hlk527980879"><i><span style="font-size:12.0pt;font-family:"Garamond",serif;border:none windowtext 1.0pt;padding:0in">Dr. Lawrence B. Conyers</span></i></span><span style="mso-bookmark:_Hlk527980879"><span style="font-size:12.0pt;font-family:"Garamond",serif"><br><i><span style="border:none windowtext 1.0pt;padding:0in">Professor of Anthropology, University of Denver</span></i><span style="border:none windowtext 1.0pt;padding:0in"></span></span></span></p><p class="MsoNoSpacing"><span style="mso-bookmark:_Hlk527980879"><span style="font-size:12.0pt;font-family:"Garamond",serif"> </span></span></p><p class="MsoNoSpacing"><span style="mso-bookmark:_Hlk527980879"><b><span style="font-size:12.0pt;font-family:"Garamond",serif">Abstract: </span></b></span><span style="mso-bookmark:_Hlk527980879"><span style="font-size:12.0pt;font-family:"Garamond",serif">The
GPR method, which uses reflected radar waves to map the extent and
composition of architectural features, can produce three-dimensional
images of a variety of cultural remains where there is no surface
expression of what lies below. Imaging software can take those digital
readings produced from hundreds of thousands of individual reflections
in high resolution grids to produce profiles, map-view slices and
three-dimensional renderings of buried structures and associated
cultural features. Collection, processing and interpretation of those
datasets must be calibrated and modified based on the architecture of
interest, but also complex ground conditions. A few of variables that
must be accounted for are the frequency of radar waves transmitted, the
composition and geological complexity of the ground, and the resolution
and processing of the digital information collected. Examples of
processing steps and analyses will be shown using a variety of
visualization software at a variety of sites including a Roman villa
(later modified into an early Christian cathedral) in France, Nabatean
temples from Jordan, monumental architecture in Costa Rica, Aboriginal
earthen constructions from northern Australia, and early colonial
farmsteads from New England. </span></span></p><p class="MsoNoSpacing"><span style="mso-bookmark:_Hlk527980879"><span style="font-size:12.0pt;font-family:"Garamond",serif"> </span></span></p><p class="MsoNormal"><span style="mso-bookmark:_Hlk527980879"><span style="font-size:12.0pt;font-family:"Garamond",serif">Dr.
Conyers is a professor of anthropology at the University of Denver,
Colorado. He has recently published a number of books on the subject of
GPR and other near-surface geophysical methods including <b><i>Ground Landscape Analysis, Ground-penetrating Radar for Geoarchaeology, Ground-Penetrating Radar for Archaeology, 3<sup>rd</sup> Editions, and Interpreting Ground-penetrating Radar for Archaeology..</i></b>
His background and degrees are in the fields of geology, geophysics,
and archaeology and the integration of those disciplines. He has
applied this synthesis to sites around the world.</span></span><span style="mso-bookmark:_Hlk527980879"></span><span style="font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D"></span></p><p class="MsoNormal"> </p></div>
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