BEGIN:VCALENDAR VERSION:2.0 METHOD:PUBLISH CALSCALE:GREGORIAN PRODID:-//WordPress - MECv7.37.0//EN X-ORIGINAL-URL:https://essic.umd.edu/ X-WR-CALNAME:ESSIC X-WR-CALDESC:UMD - Earth System Science Interdisciplinary Center X-WR-TIMEZONE:America/New_York BEGIN:VTIMEZONE TZID:America/New_York X-LIC-LOCATION:America/New_York BEGIN:DAYLIGHT TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:EDT DTSTART:20260308T030000 RRULE:FREQ=YEARLY;BYMONTH=03;BYDAY=2SU END:DAYLIGHT BEGIN:STANDARD TZOFFSETFROM:-0400 TZOFFSETTO:-0500 TZNAME:EST DTSTART:20261101T010000 RRULE:FREQ=YEARLY;BYMONTH=11;BYDAY=1SU END:STANDARD END:VTIMEZONE REFRESH-INTERVAL;VALUE=DURATION:PT1H X-PUBLISHED-TTL:PT1H X-MS-OLK-FORCEINSPECTOROPEN:TRUE BEGIN:VEVENT CLASS:PUBLIC UID:MEC-0237aedd1eafebe97db4611a4328b141@essic.umd.edu DTSTART;TZID=America/New_York:20261005T140000 DTEND;TZID=America/New_York:20261005T150000 DTSTAMP:20260826T150559Z CREATED:20260826 LAST-MODIFIED:20260923 PRIORITY:5 SEQUENCE:1 TRANSP:OPAQUE SUMMARY:Check Your Work: Why Models and Remote-Sensing Measurements Still Need Boots on the Ground DESCRIPTION:\nDr. Robert L. Hawley\nCheheyl Professor and Director, Dartmouth Center for the Advancement of Learning\nDartmouth College\nMonday October 5, 2026, 2 PM ET\n\nAbstract:\nLarge scale numerical models, informed by large remotely-sensed datasets, are at the forefront of predictive capability on the ice sheets and sea-level rise. Yet models depend on an understanding of the underlying physics, which in turn relies on effective observations. Remotely-sensed datasets cover vast swaths of the rarely-visited ice-sheet interior, yet require calibration and validation.\nDrawing from 30 years of making challenging measurements on polar ice sheets, I illustrate some of the ways field measurements dovetail with both model results and remotely-sensed datasets. In varying degrees informing, validating, or advocating for caution, but in all cases illustrating the value of in-situ measurements for validating what we observe from space or model numerically.\n \nBiosketch:\nBob Hawley started working as a glaciologist in 1995, as an undergraduate at the University of Washington, through the National Science Foundation ‘Research Experience for Undergraduates’ (REU) Program. Following the completion of his BS degree he continued in glaciological research by participating in the inaugural winter-over at Summit camp, Greenland, during the 1997-1998 boreal winter. He earned a PhD in geophysics from the University of Washington in 2005. Following his PhD, he spent three years in Cambridge, England, as a post-doc at the Scott Polar Research Institute, studying radar altimetry. Since 2008 he has taught, mentored, and researched at Dartmouth College. During 2024-2025 he served the National Science Foundation as a rotating Program Director in Arctic System Science. Since July 2026 he has served as the Director of the Dartmouth Center for the Advancement of Learning. His research interests include: the physics of firn densification, mass balance of large ice sheets, interpretation of ice core records, and remote sensing. He has worked primarily in East and West Antarctica and Greenland.\n \nZoom Information\nEvent site: https://go.umd.edu/hawley ( https://go.umd.edu/hawley )\nZoom Webinar: https://go.umd.edu/essicseminarwebinars ( https://go.umd.edu/essicseminarwebinars )\nZoom Meeting ID: 971 2692 9944\nZoom password: essic\nUS Toll: 13017158592\nGlobal call-in numbers: https://umd.zoom.us/u/aMElEpvNu ( https://umd.zoom.us/u/aMElEpvNu )\n\nResources:\nSeminar schedule & archive: https://go.umd.edu/essicseminar ( https://go.umd.edu/essicseminar )\nSeminar Google calendar: https://go.umd.edu/essicseminarcalendar ( https://go.umd.edu/essicseminarcalendar )\nSeminar recordings on Youtube: https://www.youtube.com/user/ESSICUMD ( https://www.youtube.com/user/ESSICUMD )\nFor IT assistance: Cazzy Medley: cazzy@umd.edu\n URL:https://essic.umd.edu/events/robert-hawley-dartmouth/ ORGANIZER;CN=John Xun Yang:MAILTO:jxyang@umd.edu CATEGORIES:Fall 2026 LOCATION:UMD Zoom ATTACH;FMTTYPE=image/jpeg:https://essic.umd.edu/wp-content/uploads/2026/08/robert-hawley.jpg END:VEVENT END:VCALENDAR