Abraham M. Emond David M. Rey Ronald Daanen Burke J. Minsley 2018 <p><span>Permafrost is </span><span>found throughout northern latitudes, </span><span>and </span><span>has</span><span>far reaching implications for natural and </span><span>man</span><span>-</span><span>made </span><span>environments including hydrologic processes, landscape </span><span>dynamics, ecosystems, and infrastructure. While maps of </span><span>near</span><span>-</span><span>surface permafrost characteristics are available, </span><span>relatively little is known about permafrost distributions at </span><span>depth over large areas. Her</span><span>e, we summarize several </span><span>frequency </span><span>domain airborne electromagnetic (AEM) </span><span>surveys acquired within interior Alaska from 2006 </span><span>–</span><span>2016 </span><span>that were collected to </span><span>improve</span><span>understand</span><span>ing of</span><span>permafrost and geological controls on hydrologic </span><span>processes and infrastructure. </span><span>Results of the AEM surveys </span><span>are supported by both hydrogeophysical numerical </span><span>models and ground</span><span>-</span><span>based geophysical observations.</span></p> application/pdf en Aarhus University Airborne electromagnetic imaging of permafrost for hydrologic and infrastructure studies text