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2018 Birdsall-Dreiss Distinguished Lecturer
David Boutt aquifer systems respond to hydroclimatic and land-use changes.
Physical and geochemical information is used to understand how
is an associate professor in the different subsurface environments and surface-water–groundwa-
Department of Geosciences at the ter interactions impact the sensitivity of groundwater storage to
University of Massachusetts– climate variability. Analysis of groundwater levels and stream-
Amherst. He received B.S. and M.S. flows reveals a heterogeneous response of aquifers to climate
degrees from the Department of variability. This highlights the role of subsurface hydrologeologic
Geological Sciences at Michigan heterogeneity to aquifer response. Long-term rise in water levels,
State University in 1997 and 1999. observed from analysis of water-level trends, is associated with an
His M.S. work focused on under- increase in precipitation and land-use change, which has ulti-
standing the impacts of land-use mately led to an increase in nuisance flooding. Integrating isoto-
change on groundwater quantity and pic tracers into this work has improved our understanding of the
quality at the watershed scale. He earned his Ph.D. from the New role of extreme precipitation events on groundwater storage.
Mexico Institute of Mining and Technology in 2004 and held a Isotope data also shed light on the fundamental importance of
postdoctoral position at Sandia National Laboratories before join- groundwater discharge to streamflow. This work highlights the
ing the faculty at Amherst in 2005. importance of understanding groundwater processes in generating
During his Ph.D. research, Boutt was awarded an American in streamflow, with implications for water supply, baseflow gen-
Geophysical Union Horton Research Grant. His dissertation work eration, climate refugia, and assessing flood risk in a changing
focused on the coupling of fluid flow and deformation in frac- world.
tured and faulted media through the development of discretely
coupled fluid-solid models. Do You Know Where Your Catchment Ends? The Role
Boutt’s current research focuses on understanding the role of of Inter-Basin Groundwater Flow and Hydrogeologic
groundwater in catchment-scale hydrologic processes. He main- Transience in Hydrologic Processes
tains an active and dynamic research laboratory with dedicated
undergraduate and Ph.D. students. His research has taken him on A fundamental concept in the hydrologic analysis of watersheds
board the Japanese Drilling Vessel Chikyu during Integrated is that the water draining to the outlet of the basin originates
Ocean Drilling Program (IODP) Expedition 319—the first riser within the basin itself. Groundwater hydrologists have long
drilling operation in IODP history—and to the wilds of the understood the role and impact of inter-basin groundwater flow,
Atacama desert in Chile. His work includes the origin of lithium- defined here as the subsurface transfer of water across topo-
rich continental brines in northern Chile and in the Great Basin of graphic boundaries. This inter-basin transfer of water leaves a
the western United States. Boutt has also contributed extensively distinct impact on the hydrologic and solute budgets of the catch-
to understanding the hydrogeology of a former cranberry bog that ments. This talk addresses when and where topographic catch-
is part of the largest freshwater restoration project in New England ment divides correspond to groundwater divides and how this is
(www.livingobservatory.org). He has served the hydrogeologic affected by climatic variability and geologic heterogeneity.
and broader geoscience communities on proposal review panels Examples from a range of climates and geologic environments
and volunteer boards. He is currently an editor for Hydrological will highlight the relevance of inter-basin flow on hydrologic and
Processes and was previously an associate editor for geologic processes. The coupling of hydrologic transience and
Hydrogeology. A list of his publications can be found at https:// changes in groundwater storage is also discussed, as are sugges-
blogs.umass.edu/dboutt/. tions for new approaches to conceptualization of hydrogeologic
Institutions can schedule a visit by completing the request form watershed boundaries that take into consideration both geologic
at community.geosociety.org/hydrodivision/birdsall/ uncertainty and climate variability.
about2018. Boutt will present one lecture on one of the topics
described below. The GSA Hydrogeology Division is particularly Water and Lithium—The Nexus of Hydrogeosciences and
interested in including liberal arts colleges in the itinerary. The Green Energy in the Transition from Fossil Fuels
Division pays transportation expenses, and the host institution is
expected to provide local accommodations. Earth is warming at an unprecedented pace due to the release of
carbon dioxide from the burning of fossil fuels. Development of
Groundwater as a Buffer to Climatic Change: Dynamic portable and powerful energy storage mechanisms (such as lith-
Subsurface Storage of Glaciated Landscapes ium-ion batteries) is essential to replace our dependence on the
high-energy density fossil fuels. Lithium is abundant and plentiful
The northeastern U.S. is experiencing rapid changes in its on the planet but is rarely found in high enough concentrations to
hydrology due to intense land-use change, urbanization, and cli- be of economical use. Economic deposits of lithium are found in
mate change. It also possesses some of the highest density, longest pegmatites and closed-basin continental brines. The origin of the
term observations of hydrologic variables in the U.S. and the lithium brines and their distribution worldwide is fundamentally
world. The focus of this presentation is on how small, unconfined tied to the hydrology and hydrogeology of the host basins. This
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