May Meeting (Emmons Lecture), Thursday, May 18, 2017
Too Warm, Two Poles: How Past Interglacials Should Inform Future Coastal Adaptation
Julie Brigham-Grette, University of Massachusetts- Amherst
7:00 pm, at the American Mountaineering Center Auditorium, 710 10th St., Golden.
No charge and all are welcome.
Glacial and interglacial change uniquely imposed on the Bering Strait region some of the most radical changes in sea level and paleogeography documented in the Northern Hemisphere. Following the transition from a forested Arctic 3 million years ago and the first major glaciation of the northern hemisphere about 2.6 million years ago, marine deposits found along the coasts of Alaska and elsewhere record critical transitions in the evolution of Earth’s climate but especially times of high sea level. Geologic records of Plio-Pleistocene super interglacials from both the Arctic and the Antarctic show us that ice sheets are more vulnerable to subtle polar warming than once thought. Given that sea level rise today and into the near future is global and not reversible, new approaches will require social and political action aimed at short-term fixes and long-term “managed retreat” of human infrastructure from our coastlines.
Dr. Julie Brigham-Grette is professor in the Dept. of Geoscience’s Climate System Research Center at Univ. Massachusetts – Amherst. She graduated from Albion College and completed her M.S. and Ph.D at the University of Colorado, with post-doctoral work at the University of Bergen, Norway, and the University of Alberta, Canada. Julie’s research interests are focused on the stratigraphy, sedimentology, and chronology of geologic systems that record the climate evolution and sea level history of the Arctic since the mid-Pliocene. Most of her research program is aimed at documenting the global context of paleoenvironmental change across “Beringia”, stretching from Alaska and the Yukon across the Bering Sea into Russia. She was co-chief scientist of an expedition to Lake El’gygytgyn in northeast Russia that recovered an unprecedented core record of paleoclimate of the past 3.6 million years.
The S.F. Emmons Lecture, which began in 1962, is a highlight of the Colorado Scientific Society’s activities and contributes not only to our standing in the scientific community but to the intellectual growth of our members and colleagues. The series is named in honor of the Society’s founder, S.F. Emmons. Generally presented at the January meeting, the lectures feature speakers that are recognized nationally or internationally as being at the forefront of research in some important facet of the earth sciences.
Past Presidents Dinner
Our last Past Presidents Dinner featured a performance about Marie Curie:
Colorado Scientific Society participated in the March for Science in Denver
on Saturday, April 22, 2017, click on link above for details.
Family Tree of USGS Soil Geomorphology
Colorado Scientific Society Symposium
Work in the Colorado Front Range and
In October 2010, the Colorado Scientific Society sponsored an evening and a Field Trip, honoring the work of Glen Scott of the USGS.
This is the paper presented at the evening meeting.
PDF of Birkeland Paper
The Volcanoes of Colorado
Colorado Scientific Society Symposium
A Symposium in honor of Thomas A. Steven On: Saturday, May 19, 2007
At: University of Northern Colorado campus in Greeley
Topics: All aspects of the volcanic history of Colorado On May 19, 2007, the Colorado Scientific Society sponsored a one-day symposium on the volcanic geology of Colorado. The symposium was dedicated to Tom Steven, USGS retired, whose work provided the foundation of our understanding of Colorado’s volcanic history. Download a PDF with abstracts of the presentations.