David Ullman
Northland College, Ashland, WI
Activity
2023
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THE TIMING OF LAURENTIDE ICE SHEET RETREAT FROM ISLE ROYALE IN LAKE SUPERIOR BASED ON 10BE EXPOSURE AGES
T199 Quaternary Glaciations of the Great Lakes Region: Progress in Understanding Sediments, Landforms, Chronology, and Landscape Evolution through Space and TimeTuesday, 17 October 20231:30 PM - 5:30 PM317 / 318
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APPLICATIONS OF SCHMIDT HAMMER EXPOSURE-AGE DATING IN THE NORTH AMERICAN GREAT LAKES REGION: AN ELUSIVE ENDEAVOR
T39 Quaternary Glaciations of the Great Lakes Region: Progress in Understanding Sediments, Landforms, Chronology, and Landscape Evolution through Space and Time (Posters)Sunday, 15 October 20238:00 AM - 5:30 PMHall B
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LIMITED APPLICATION OF SCHMIDT HAMMER EXPOSURE-AGE DATING IN THE GREAT LAKES REGION
25 Recent Advances in Glacial Geology, Geomorphology, Sedimentology, and Chronology (Posters)Friday, 5 May 20238:00 AM - 12:00 PMEC 215
2021
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1:100,000 SCALE PRELIMINARY QUATERNARY MAPPING IN THE LAKE SUPERIOR REGION OF WISCONSIN
T193 Dynamics of the Laurentide Ice Sheet (Posters)Tuesday, 12 October 20212:30 PM - 6:30 PMExhibit Hall A
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EVALUATING WATER QUALITY IN CHEQUAMEGON BAY, LAKE SUPERIOR, RELATIVE TO OTHER GREAT LAKES EMBAYMENTS
15 Undergraduate Research I (Posters)Tuesday, 20 April 20218:00 AM - 12:00 PMGeosciences @ University of Arkansas Room
2020
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A NEW SURFACE EXPOSURE CHRONOLOGY FOR THE MOST RECENT DEGLACIATION OF SOUTHERN LAKE SUPERIOR AND THE IMPLICATIONS FOR PROGLACIAL LAKE EVOLUTION AND CONTINENTAL-SCALE MELTWATER ROUTING
24 Glaciation and Deglaciation along the Southern Margin of the Laurentide Ice Sheet I: Bringing Multiple Tools to BearTuesday, 19 May 20208:00 AM - 12:00 PMLake Superior Ballroom O