Puget Lobe Lecture: Getting a Feel for Ice Sheet Hydrology and Channeled Scabland Geomorphology
Dr. Joel Gombiner This presentation connects modern observations of ice sheet hydrology, the geomorphology of the Channeled Scabland, and recent publications on Washington’s Ice Age floods. The presentation consists of three parts: (1) an explanation of a new lidar-based, semi-realistic oblique visualization and interpretive poster of Dry Falls (released 2025 by WGS); (2) an intuitive overview of ice sheet hydrology with visits to Greenland, Iceland, and Antarctica; (3) an update on recent Channeled Scabland science including evidence for subglacial tunnel channel floods from the Okanogan lobe and refined estimates of Missoula flood magnitudes.