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GSA 2019 ANNUAL MEETING & EXPOSITION

Disciplines: Hydrogeology, Environmental Geoscience, T150. Advances in Understanding
Geochemistry Processes at or near the Groundwater–
Advocate: Charles J. Paradis Surface-Water Interface
The use of tracers is important for the accurate characteriza- Cosponsors: GSA Hydrogeology Division; GSA Soils and Soil
tion of physical, chemical, and biological processes in aquifers. Processes Division
This technical session aims to share examples of applications Disciplines: Hydrogeology, Environmental Geoscience
and research involving tracers for aquifer characterization. Advocates: Reza Soltanian; Robert Ritzi
The session will convey new insights on processes taking
T147. Evolution of Paleo to Modern place at or near the interface between groundwater and surface
Fluid Flow Systems in the Colorado Plateau and water, including fluid, energy, nutrient fluxes, and bio-
Other Sedimentary Environments geochemical processes. Field and lab studies, analysis, and
Cosponsor: GSA Hydrogeology Division computational research are to be included.
Disciplines: Hydrogeology, Geochemistry, Structural Geology
Advocates: Jennifer C. McIntosh; Mark Person; Peter W. T151. Advances in Geophysical, Geological,
Reiners; George H. Davis; Mark D. Barton; Grant Ferguson and Geochemical Investigations of Hydrological
This session aims to integrate multiple geologic, hydrologic, Systems in the Basin and Ranges/Rio Grande
and geochemical approaches to discover couplings, conse- Rift Basins
quences, and emergent properties of subsurface paleo to modern Cosponsor: GSA Geophysics and Geodynamics Division
fluids and mass/energy transfer between Earth’s lithosphere and Disciplines: Hydrogeology, Geophysics/Geodynamics,
Critical Zone. Geochemistry
Advocates: Lin Ma; Shari Kelley; Diane I. Doser
T148. Coastal Hydrogeology in an Age of This session seeks contributions from across disciplines to
Rising Seas investigate valuable water resources in the Basin and Range/Rio
Cosponsors: GSA Hydrogeology Division; GSA Environmental Grande rift basins using a broad array of geophysical, geologic,
and Engineering Geology Division; GSA Karst Division; and geochemical tools to better understand aquifers, geothermal
American Geophysical Union; American Geosciences Institute; resources, and surface waters in the extensional terranes.
Consortium of Universities for the Advancement of Hydrologic
Science Inc.; National Ground Water Association; International T152. A Showcase of Undergraduate Research
Association of Hydrogeologists; Soil Science Society of in Hydrogeology (Posters)
America; GSA Soils and Soil Processes Division Cosponsors: GSA Hydrogeology Division; GSA Geoscience
Disciplines: Hydrogeology, Engineering Geology, Geoscience Education Division
and Public Policy Discipline: Hydrogeology
Advocates: Michael C. Sukop; Martina Rogers; Shellie L. Habel Advocates: Laura K. Rademacher; Samuel J. Smidt; Tyler V. King
As sea levels rise, hydrogeology is crucial in coastal areas. This session is designed for undergraduates presenting
Seawater intrusion can lead to loss of potable or agricultural research and senior theses in the field of hydrogeology. Prizes
water supplies. Water table rise from sea-level rise can increase will be awarded for top presentations. Employers and graduate
flooding and affect infrastructure. advisers are encouraged to attend.

T149. Arsenic in Global Groundwater-Based ENVIRONMENTAL GEOSCIENCE
Drinking Water Systems—Source-Water
Characteristics, Safe Limits, Human-Health T153. Urban Geochemistry
Impacts, Innovative Treatment Systems, and Cosponsor: International Association of GeoChemistry
Policy Instruments Disciplines: Environmental Geoscience, Geochemistry,
Cosponsors: GSA Hydrogeology Division; GSA International; Geology and Health
GSA Geology and Health Division; International Society of Advocates: W. Berry Lyons; David T. Long
Groundwater for Sustainable Development (ISGSD); IWA This session encourages presentations that qualify and quan-
Specialist Group Metals and Related Substances in Drinking tify the geochemical and biogeochemical impacts (temporal and
Water (METRELS); GSA Karst Division spatial) of urbanization and urban activities on soil, water, and
Disciplines: Hydrogeology, Geology and Health, Geoscience air resources, as well as on human and ecosystem health.
and Public Policy
Advocates: Prosun Bhattacharya; Arslan Ahmad; Dina L. T154. Sigma Gamma Epsilon
Lopez; Saugata Datta; Mohammad Alauddin; Jochen Bundschuh Student Research (Posters)
This session will lead to a deep understanding of the fate and Cosponsor: Sigma Gamma Epsilon
behavior of arsenic and other geogenic co-contaminants in Disciplines: Environmental Geoscience, Sediments, Clastic,
groundwater systems, treatment innovations, epidemiological Structural Geology
impacts, human health impacts, and policy instruments. Advocates: Diane Burns; James Walters

36 GSA Today | May 2019