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Boase Hydrologic Sciences and Water Resources Engineering Seminar Series
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Schedule for FallÌý2024
Spring 2024Ìýpresentations are officially wrapped up! Stay tuned for the upcoming list of speakers for FallÌý2024.
- ³¢´Ç³¦²¹³Ù¾±´Ç²Ô:ÌýOnline - &ÌýÌýÌý(Engineering Building)
Passcode: watertalks - Time:ÌýWednesdays, 11:15Ìý- 12:15 p.m., MTÌý ÌýÌý
- Coordinator:Ìý
We will be adding to our FallÌý2024Ìýschedule as the information becomes available. Please check back soon!
Aug. 28
Speakers: Hydrology, water resources and environmental fluid mechanics faculty and students
Sept. 4Ìý
Speaker: ProfessorÌýRajagopalan Balaji, ²ÊÃñ±¦µä
Title:ÌýCritical Effects of Precipitation on Future Colorado River Flow
Of concern to Colorado River management, as operating guidelines post-2026 are being considered, is whether water resource recovery from low flows during 2000–2020 is possible.Ìý Here we analyze new simulations from the sixth generation of the Coupled Model Intercomparison Project (CMIP6) to determine plausible climate impacts on Colorado River flows for 2026–2050 when revised guidelines would operate. We constrain projected flows for Lee Ferry, the gauge through which 85% of the river flow passes, using its estimated sensitivity to meteorological variability together with CMIP6 projected precipitation and temperature changes. The critical importance of precipitation, especially its natural variability, is emphasized. Model projections indicate increased precipitation in the Upper Colorado River basin due to climate change, which alone increases river flows 5%–7% (relative to a 2000–2020 climatology). Depending on the river’s temperature sensitivity, this wet signal compensates some, if not all, of the depleting effects from basin warming. Considerable internal decadal precipitation variability (~5% of the climatological mean) is demonstrated, driving a greater range of plausible Colorado River flow changes for 2026–2050 than previously surmised from treatment of temperature impacts alone: the overall precipitation-induced Lee Ferry flow changes span -25% to +40% contrasting with a -30% to -5% range from expected warming effects only. Consequently, extreme low and high flows are more likely. Lee Ferry flow projections, conditioned on initial drought states akin to 2000–2020, reveal substantial recovery odds for water resources, albeit with elevated risks of even further flow declines than in recent decades.
Sept. 11Ìý
Speaker:ÌýMukesh Kumar,Ìýassociate professor of hydrology and water resources, University of Alabama
Topic:ÌýUnexpected Responses of Land, Ecosystem, and Communities to Geoenvironmental Change
Sept. 18 TBD
Sept. 25Ìý
Speaker:Erin Towler, research scientist, hydrology applications, NOAA
Topic:TBD
Oct. 2
Presenter:ÌýFrances Davenport, assistant professor, civil and environmental engineering, Colorado State University
Topic:ÌýTBA
Oct. 9
Presenter:ÌýMatthew Weingarten, assistant professor, San Diego State University
Topic:ÌýTBA
Oct. 16
Presenter: Yadu Pokhrel, PhD,ÌýMichigan State University
Topic:ÌýTBA
Oct. 23
Presenter:ÌýDavid Mays, associate professor, civil engineering, University of ColoradoÌýDenver
Topic:ÌýTBA
Oct. 30
Presenter: Parth Modi
Title: Identifying Alternatives to Snow-based Streamflow Predictions to Advance Future Drought Predictability
Nov. 6
Speaker: Maddy Pernat, PhD candidate, civil engineering, ²ÊÃñ±¦µä
Topic: TBA
Nov. 13
Presenter:ÌýFabian Nippgen, associate professor, watershed hydrology, University of Wyoming
Topic:ÌýTBA
Nov. 20
Presenters: Elle Stark/Derek Goulet
Wednesday, Nov. 27Ìý
Thanksgiving — no presentations
Wednesday, Dec. 4Ìý
AGU presentations — dry runs
Wednesday, Dec. 11
AGU presentationsÌý
Wednesday, Aug. 30
Presenters:Ìý Associate Professor Aditi Bhaskar and Professor Michael Gooseff
Title:ÌýWelcome new CEAE graduate students and graduate program overview of theÌýÌý
During this one-hour session of the Boase water seminar series,Ìý Associate Professor Aditi Bhaskar welcomed new civil engineering graduate students and provided an overview of the Hydrology, Water Resources, and Environmental Fluid Mechanics graduate program.Ìý Also, Professor Michael Gooseff provided an overview of the campus-wideÌý.
Wednesday, Sept. 6
Presenter: Carli Brucker, PhD, ²ÊÃñ±¦µäÌý
Title: Assessment of basin vulnerability to post-wildfire hydrologic and water quality effects through a multi-scale framework
Wildfires can significantly impact water quality and supply, presenting challenges for water treatment plants and freshwater systems. However, high variability and data scarcity in post-wildfireÌýin situÌýwater quality data have hindered previous analyses. Here, I present a unique multi-scale analysis of post-burn hydrologic and water quality effects, observing small-scale driving mechanisms as well as broad, large-scale responses across watersheds. Custom-designed laboratory-scale wildfire and rainfall simulation experiment apparati were first tested on 154 ~300 cm2Ìýsoil samples. Burn effects were observed in the context of other key drivers—rainfall intensity and terrain slope—to simulate variable conditions in natural settings. A synthesis of previous wildfire simulation methods was also completed, discussing benefits and limitations of different techniques. Next, broad changes in constituent responses in post-fire years were assessed for 241 forested watersheds across the U.S. West using machine learning and statistical techniques. Inter-basin variability in post-fire responses was also attributed to physiographic watershed variables and wildfire characteristics. By bridging multiple scales, this study strives to provide a holistic understanding of wildfires’ impacts on watersheds in the U.S. West.
Wednesday, Sept. 13
Presenter: Court Strong, associate professor, Department of Atmospheric Sciences, University of Utah
Title:ÌýEmerging tools for prediction and management of water resources
Western-U.S. water managers facing changing climate and growing populations are seeking new tools to guide their planning and operational decision making. This presentation highlights two key tools that emerged from a five-year collaboration between university researchers and Salt Lake City Department of Public Utilities. Using a century-length, ten-catchment streamflow dataset we found that interannual variability in groundwater storage, inferred from winter baseflow, is a primary control on canyon runoff efficiency. Adding antecedent groundwater storage to a linear model with precipitation and melt dynamics reduces uncertainty in annual runoff from approximately 40% to 5%. Investigating the climate drivers of groundwater storage, we found an important role for an Atlantic Quadpole Mode (AQM) of sea surface temperature variability that modulates the winter precipitation patterns associated with the El Nino Southern Oscillation (ENSO). The connection between the AQM and western-U.S. hydroclimate generates precipitation anomalies as large as 30%, and is robust in observations and a 10,000-year global climate model simulation with perpetually fixed modern greenhouse gas concentrations.
Wednesday, Sept. 20
Presenter:ÌýManabendra Saharia, assistant professor of civil engineering, IIT Delhi
Title:ÌýIndia Water Model (IWM): Progress in Developing a Transboundary Water Modeling System over South Asia
Wednesday, Sept. 27
Presenter: Peter Mayer,Ìýprincipal engineer at WaterDM and Flume Data Labs
Title: TBA
Wednesday, Oct. 4
Presenter: Fred Tillman, research hydrologist, USGS
Title:Ìý The Potential for Effects from Breccia-Type Uranium Mining on Regional Water Sources in the Grand Canyon Region
Wednesday, Oct .11
Presenter: Rebecca Smith, civil/hydrologic engineer, US Bureau of Reclamation
Title: TBA
Wednesday, Oct. 18
Presenter: Homa Salehabadi, PhD candidate, Utah State UniversityÌý
Title: TBA
Wednesday, Oct. 25
Presenter: Josh Koch, research hydrologist, Alaska Science Center
Title: TBA
Wednesday, Nov. 1
Presenter:ÌýJenny Pensky, post doctoral scholar, Ecohydrology Lab, ²ÊÃñ±¦µä
Title: TBA
Wednesday, Nov. 8
Presenter: David Woodson, PhD candidate, ²ÊÃñ±¦µä
Title: TBA
Wednesday, Nov. 15
Presenter: Ryan Currier, hydrologist, NOAA
Title: Future Hydroclimate Projections in the Western United States
Wednesday, Nov. 22
No seminar due to Thanksgiving
Wednesday, Nov. 29
Presenter: Julianne Quinn, University of Virginia
Title: TBA
Wednesday, Dec. 6
AGU conference presentation rehearsals