All seminars are at 4 pm in the Physical Sciences Bldg. (#19), room 103, unless otherwise noted.  

Upcoming seminars

Previous Seminars

Tuesday, May 2nd

The Past and Present of African Forests: Inferences from Models and Lake Muds
Sarah Ivory, PhD.
Ohio State University

Thursday, April 27th


Dave Cook

Monday, April 24, 2017 in Physical Sciences room 103

**11:30-12:30**Brown bag seminar

Volcanic hazards: From the basics to behind the scenes

Patricia Nadeau, Ph.D.

Salem State University

Friday, April 21, 2017 ***Room change and time change: Geology 103, 3:00pm***

Controls on the 2014 Oso Landslide

Kelsey Winsor, PhD

Thursday, April 20th **Room change: Geology 223**

From the crystal to the arc: Using crystal-scale variations to understand the development and evolution of continental magmatic arcs.

Dale Burns, PhD
Stanford University

Friday April 14, 2017 in Geology room 103 (room change)

**11:30-12:30**Brown bag seminar

Tsunamis and Sunsets:  Catastrophic and Cultural Consequences of the Krakatoa Eruption

Michael R. Johnson, Ph.D.

University of Wisconsin-Madison

Wednesday, April 12th    *** ROOM CHANGE: Geology room 103
Researching and teaching nature-society relations in the Southwest 

Dr. Zachary Sugg, Colorado College

Tuesday, April 11

Recent research in natural systems agriculture and implications for global food security  

Making Agriculture Great Again for the First Time

Dr. Tim Crews, The Land Institute

Web site: 

Thursday, April 6, *** 6:30 p.m. Cline Library Auditorium  

Dr. Gretchen Daily, Stanford University

Web site: 


Wednesday April 5 ** Time change of 3:45***

"Water Resource Governance and Climate Change in the American West"

Kelsey C. Cody, M.S.
Ph.D. Candidate, Environmental Studies Program

University of Colorado at Boulder


Tuesday, April 4th

Ecosystem services valuation and growing economic momentum for global conservation 

Wednesday, March 29th   *** ROOM CHANGE Geology 103

Quantifying biodiversity to understand aquatic ecosystem functioning: where does it come from and when does it matter?

Dr. Rebecca Best

Thursday, March 30th

Energy/Environment Tradeoffs:  Modeling the Shift to Renewables in Canada
Dr. Wendy Palen
Simon Fraser University, Vancouver Canada

Monday, March 27
Addressing Environmental Challenges through Connecting Communities"
Dr. Scott Kalafatis, Michigan State University

Tuesday, March 28th

Kenneth Thiessen (Paul Umhoefer)
My career in geology and why professional geological licensure can be your passport

Thursday, March 23rd
Legible Rivers, Resilient Rivers:  Lessons in adaptation from the Wild and Scenic Rivers Act
Denielle M. Perry, Ph.d Candidate, University of Oregon

Monday, March 20th

Still Seeking the Holy Grail: A Functional Trait Approach to Plant Ecology

Presented by Dr. Rachel Mitchell, Ph.D, Duke University
Kate Leary, ASU/USGS
Tuesday, March 7th
Erik Nielsen, NAU
Tuesday, February 28th

Internship Opportunities

Cory Helton, E. Fuller Hydrology and Geomorphology /Mariah Ashley, Arizona Hydrological Society
Tuesday, February 14th, 2017

Near-Surface infiltration and evaporation in arid soils at a large weighting lysimeter 
Dr. Karletta Chief, University of Arizona
Tuesday, January 24, 2017


Water resource stewardship in the U.S. National Park Service

Dr. Ed Harvey,
Hydrogeology Division
Geological Society of America
National Park Service
2017 Birdsall-Dreiss Distinguished Lecturer
Thursday, January 26, 2017

Friday, January 17th, 2017

Mary Reid, NAU
Tuesday, November 15th, 2016


Evolutionary Origins and Ecological Consequences of Trait Variation in Aquatic Communities

Rebecca Best, NAU
Tuesday, November 1st, 2016

Particle Size 'by Proxy': Decoding the Textural Information in Remotely Sensed Landforms

Dan Buscome, USGS-NAU
Tuesday, October 25th, 2016

Progress Toward a Better Anthropocene in the Greater Himalaya
Ed Grumbine, Grand Canyon Trust
Wednesday, October 19th, 2016 

Processes controlling synchronous extension of the Rio Grande rift along its entire length from 25-10 Ma
Jason Ricketts, UTEP
Tuesday, October 11th, 2016

Jozua, Monash University
Monday, October 10th, 2016

Laguna del Maule Caldera in Chile using INSAR Observations
Brad Singer, UW - Madison 
Friday, October 7th, 2016 
Great Steps in the History of Life: The Origin of Limbed Vertebrates
Ted Daeschler, Academy of Natural Sciences in Philadelphia
Thursday, September 15th, 2016
Graham Kent, UN-R
Tuesday, September 20th, 2016
Amber Gullikson, USGS
Tuesday, September 27th, 2016

How Big and Frequent are Earthquakes on the Wasatch Fault in Utah? Using Lidar, Paleoseismology, Rupture Modeling, and Long-term Tectonic Relief to Evaluate Earthquake Rupture Patterns
Scott Bennett, USGS-Seattle
Thursday, April 14th, 2016

Non-market Impacts of the Schultz Wildfire, and Preferences for Attributes of Springs in Grand Canyon National Park
Julie M. Mueller, Northern Arizona University
April 19th, 2016  

Dave Cook, Geoengineers, 
Thursday, April 28th, 2016

Guar: A New Agricultural Crop For Arizona With Many Innovative Uses
Tom Wilson, Magellan
Tuesday, April 12th, 2016

Diverse USGS Research: Modern and Dinosaur Ecosystems and the Value of Collaborative Teams
Christine Turner, USGS
Tuesday, March 29th, 2016 

Cari Johnson, University of Utah
Monday, March 28th, 2016
*Please note room change:  Geology Room 223

Tectonic Inheritance and the Development of Metamorphic Core Complexes in West-central Arizona
John Singleton, George Mason University
Tuesday, March 22nd, 2016
Groundwater Dynamics in Headwater Regions Under a Changing Climate
Shemin Ge, Birdsall-Dreiss Lecturer
Thursday March 10th, 2016
The Future of Hydrogeophysics: Measuring Gravity Change to Monitor Soil Moisture, Infiltration, and Groundwater Flow
Jeff Kennedy, USGS
Tuesday, March 8th, 2016
Little Bugs, Big Data, and Grand Canyon: How a Novel Citizen Science Collaboration with River Rafters Yielded Fundamental Insights into the Ecology of North America's Most Heavily Regulated River Ted Kennedy, USGS
Tuesday, March 1st, 2016
Arizona Hydrologic Society Intern Scholar Presentation
Katie Junghans, SESES
Tuesday, February 23rd, 2016

The Ancient Mountains of the Great Basin: Paleogene Topography and Tectonics in the US Cordilleran Hinterland
Elizabeth Cassel, University of Idaho
Tuesday, February 16th, 2016

Ty Ferre, National Groundwater Association 
Friday, January 22nd, 2016 

Jerome V. de Graff, Jahns Distinguished Lecturer 
Thursday, January 28th, 2016 

Old Pathways, New Directions: Reflections on a Short Sabbatical
Scott Anderson, SESES
Tuesday, December 8th 2015

Adam Forte, Arizona State University
Thursday, December 3, 2015

Is sulfate toxic to wild rice (manoominpsinZizania palustris), and why does Minnesota care so much?
Amy Myrbo, University of Minnesota
Tuesday, December 1st, 2015

Experimental volcanoes provide insight into the growth of maar volcanoes
Alison Graettinger, University of Buffalo
Thursday, November 12th 2015

Snakes and a cave: And lots and lots of springs
Abe Springer, SESES
Tuesday, November 10th 2015

Patterns in long-lived crustal magmatism: comparison of the Aucanquilcha Volcanic Cluster, central Andes, and the Tuloumne Intrusive Cluster, Sierra Nevada. 
Anita Grunder, Oregon State University
Tuesday, November 3rd, 2015

A River Runs Through It: Exploring Ancient Fluvial and Lacustrine Environments at Gale Crater with the Curiosity Mars Rover
Lauren Edgar, USGS Flagstaff
Tuesday, October 20th, 2015

Undermining Perverse Resilience: The Political Economy of Addressing the Climate Crisis in the Earth System
Liam Phelen, University of Newcastle
Tuesday, October 6, 2015

Part 1-Escape from Ireland: Volcanoes Take Flights; Part II-Escape to Ireland: Volcanic or Not, Zircons tell all (or don't)
Michael Ort & Nancy Riggs, SESES Professors of Geology
Tuesday, September 29, 2015

Oceanic Peridotite in the Desert - Arizona's Laramide Subduction Complex
Gordon Haxel, Retired USGS and SESES Adjunct Faculty
Tuesday, September 22, 2015

Tectonic Geomorphic and Paleoseismic Investigations for the Panama Canal
Eldon Gath, the "Geological Society of America Environmental & Engineering Geology Division’s Richard H. Jahns Distinguished Lecturer
Thursday, September 10, 2015

Pleistocene Glaciers, Lakes and Climate Change in the Northern Great Basin, Utah and Nevada, U.S.A
Ben Laabs, SUNY Geneseo
Tuesday, May 5

The Role of Foundations in Supporting Environmental Sustainability
Barry Gold, Walton Foundation
Tuesday, April 28
Stories in the Mud: Case Studies of Holocene Environmental Change in Southern Alaska and the Southwestern United States
David Fortin & Cody Routson, SESES
Tuesday, April 21
Plumbing, Plumes, nd Early Warning: GPS near Volcanoes and Fault Zones 
Ron Grapenthin, New Mexico Tech
Thursday, April 16 @4PM in Geology (Building 12), Room 103
Seismic Structure Beneath EarthScope’s USArray and the Origin of the Yellowstone Hotspot
Brandon Schmandt, New Mexico University
Tuesday, April 7
Glacial Climate from Clumped Isotope Thermometry
Aradhna Tripati, UCLA
Affiliations: Atmospheric & Oceanic Sciences Department, Earth, Planetary, & Space Sciences Department, Institute of Geophysics and Planetary Physics, Institute of Environment and Sustainability, California Nanosystems Institute
Monday, March 30 @4PM in Geology (Building 12), Room 103

Geologic Tools for River and Floodplain Management
Nicholas Pinter, Southern Illinois University
Tuesday, March 31

Lithospheric Thickness Variation in Alaska and Implications for Large-Scale Strain Distribution 
Leland O'Driscoll, USC
Tuesday, March 10

Undergraduate Research Experience through the Arizona Hydrological Society’s “Charles C. Avery Summer Intern Scholarship”
Rae Lynn Byars, NAU
Thursday, March 5 @4PM in Geology (Building 12), Room 103    

New Developments in Cordilleran Geology: Assembly of the Cordilleran Ribbon Continent and its Interactions with North America
Bob Hildebrand, UC Davis
Tuesday, February 10
The 2011 Tohoku (Japan) Earthquake and Tsunami: Why So Big and What's Next? 
Jim Sample, SESES
Tuesday, February 3
Increasing Tribal Consultation in Ecological Restoration Projects: Gaps in Access and Understanding Traditional Ecological Knowledge by Professional Restoration Ecologists
David Ostergren, Goshen College
Thursday, January 29
Ecohydrolic Flux Partitioning Across Scales: Moving From The Lead To The Globe
Stephen Good, University of Utah
Tuesday, November 25
Long-term Ecosystem Response to Environmental Change: Using Paleoecological Data to Inform Ecological Theory and Models
Yao Liu
Tuesday, November 18
Living the Volcano: A first year study abroad experience to Santorini, Greece
Lisa Skinner
Tuesday, November 4
Conservation from species to communities: how interactions mediate the effects of diversity on ecosystem function
Clare Aslan
Tuesday, October 28
Steady incision of Grand Canyon at the million year timeframe: A case for mantle-driven differential uplift
Ryan Crow
Tuesday, September 30
Geo-Engineering Corporate Headquarters: Building a City Within a City
Dave Cook
Tuesday, September 23
Cocaine, Cattle and Tropical Deforestation
Erik Nielsen
Tuesday, September 16
The Fluvial-Aeolian-Hillslope Continuum: Fine-scale Remote Sensing for Whole System Science in the Colorado River, Grand Canyon
Joel Sankey (USGS)
Tuesday, September 2
The Slow-but-Steady Deformation of the American West: New Constraints from GPS Geodesy
Corne Kreemer, Earthscope Speaker
Tuesday, April 1   
Confronting the Low-Angle Normal Fault Paradox
Nick Christie-Blick
Tuesday, March 25 
A Question of Scale: Using High-Resolution Lake-Type Stratigraphy and Geochronology to Elucidate the Climatic, Tectonic and Geomorphic Signatures in Eocene Strata of the North American Cordillera
Dr. Michael Smith
Vulnerability of Public Supply Wells
Dr. David Rudolph
Tuesday, March 11
Middle Miocene Reorganization of Deformation, Erosion, and Deposition on the Northeastern Tibetan Plateau
Dr. Richard Lease
Monday, March 10
Evaluating the Relative Roles of Sediment Supply and Tectonics using Growth-strata Analysis, Sequence Stratigraphy, Forward Stratigraphic Modeling and Sediment Volume Calculations: An Example from the Cordilleran Foreland Basin, USA  
Dr. Jennifer Aschoff
Thursday, March 6
Summer 2014 Hydrology Internship with the AHS Flagstaff Chapter; Experiences of the 2013 Intern, and Opportunities for the 2014 Intern
Benjamin Serpa
Tuesday, March 4
Tropical climate change in the past, present, and future: Insights from ancient and modern water isotopes
Dr. Bronwen Konecky
Thursday, February 27
Ice and environment: Greenland glacier dynamics and control mechanisms
Dr. Twila Board
Wednesday, February 19
Climate dynamics in a warmer world: Lessons from the Last Interglacial period
Dr. Nicholas McKay
Monday, February 17 
A bugs life: "Micro" challenges in predicting ecological effects of climate change
Kristen Potter
Tuesday February 4 
Growth and Water Supplies: City of Flagstaff’s Designation of Adequate Water Supply
Erin Young
Tuesday January 28 
Concurrent changes in climate, land cover, and population growth present major challenges to the management of natural resources worldwide
Paul Brooks
Tuesday January 21 
Response of the lower to upper crust to Eocene tectonic transition in the Pacific Northwest
Robert Miller
Tuesday, January 14
Integrated Conservation/Community Research in Namibia
Dr. Robin Naidoo
Tuesday, December 3
The Arizona Integrated Seismic Network
Jeri Young and Dave Brumbaugh
Tuesday, November 5
National Ground Water Association Darcy Lecturer; Managing Groundwater Beneath the Agricultural Landscape
Dave Rudolph
Tuesday, November 12
6700 Years of Natural Resource Management in the Mountainous Auvergne, France: the Value of Palaeocology in Assessing the Viability of Environmental and Land Use Strategies
Yannick Miras
Tuesday, October 22
A Colorado Microplate? Timing and Geodynamic Implications of Alkaline Lavas from the Northern Rio Grande Rift Near Yampa, Colorado
Mike Cosca
Tuesday, September 24
Monitoring Evaporite Karst Activity and Land Subsidence in the Holbrook Basin, Arizong, using Interferometric Synthetic Aperture Radar(InSAR)
Brian Conway and Joe Cook
Tuesday, October 1
Renewable Energy, Landscape Assessments, and Regional Mitigation on Public Land
Joe Viera
Tuesday, October 8

Increasing Tribal Consultation in Ecological Restoration Projects: Gaps in Access and Understanding Traditional Ecological Knowledge by Professional Restoration Ecologists
David Ostergren, Goshen College
Tuesday, January 09

New Developments in Cordilleran Geology: Assembly of the Cordilleran Ribbon Continent and Its Interactions With North America
Bob Hildebrand, UC-Davis
Tuesday, February 10

Schedule will be updated as more speakers become available.

Past Seminars

Read more

The Baja Microplate: Its rigidity and the modern earthquake cycle
Rocco Malservisi, University of South Florida
Thursday, October 18

Pleistocene climate variability in tropical West Africa on interannual to orbital timescales, inferred from the Lake Bosumtwi sediment record
Nick McKay, SESES
Tuesday, October 23

Detrital signatures of Cenozoic foreland basin evolution in Columbia
Joel Saylor, SESES
Thursday, October 25

Aerial imagery for mapping invasive species, Buffel grass in remote aboriginal communities of the Musgrave Ranges, Australia
Victoria Marshall, University of Adelaide, Australia
Tuesday, October 30

Sabbatical research and networking in the Czech Republic, Sweden, Germany, The Netherlands, Austria, France, Tanzania, and Bangladesh
Nancy Johnson, SESES
Tuesday, November 6

Testing the role of rift obliquity in the formation of the Gulf of California
Scott Bennett, University of California at Davis
Tuesday, November 13

Approaching the long-term shaping of European Cultural Landscapes through the use of multi-proxy paleoenvironmental analyses
Ana Ejarque, SESES
Tuesday November 27

Climate and provenance evolution history of the Chinese Loess Plateau during the past 8 million years
Dr. Junsheng Nie, Lanzhou University
Thursday, November 29

Continental-scale hockey sticks, Kiwi clams, carbon connections and other sabbatical activities
Darrell Kaufman
Tuesday Jan 22

Jahns lecture: The mountains are falling apart: A spectrum of mass failures from landslides through deep-seated gravitational spreading (sackung), to “unfolding” of folds
James McCalpin
Tuesday, January 29

A model-based evaluation of coupled soil carbon and water cycles in structurally heterogeneous savanna ecosystems
Frances O'Donnell
Thursday, January 31

From desert park to "war zone": shifting conservation landscapes on the US - Mexico border
Jessica Piekielek
Thursday, February 7

Oligo-Miocene extension at ground-zero in the India-Asia collision: Response to rollback of subducting Indian plate continental lithosphere
Peter DeCelles
Tuesday, February 12 

Research activities at NAU's Institute for Sustainable Energy Solutions
Tom Acker
Tuesday, February 19

Using Reconnaissance Detrital and Igneous Zircon Dating to Unravel the Tectonics of Tibetan Terranes
Jerome Guynn
Tuesday, February 26

Holocene climate variability; evidence from the Eastern North Atlantic
Hans Petter Sejrup
Tuesday, March 5

The Sequence Stratigraphic and Paleoclimatic Controls on Microbial Carbonates of the Carbonate-evaporite Dominated Late Carboniferous (Moscovian) Paradox Basin, Southeastern Utah
Gary Gianniny
Thursday, March 14

Opportunities with Arizona Hydrological Society
Mariah Giardina
Tuesday, March 26

Oil Sands: Canadian Experience, Global Implications
Michael Collier
Tuesday, April 2