H44I:
Runoff Generation in Snow-Dominated Regions: Connecting Seasonal Snowpacks and Streamflow Response I

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Session ID#: 34147

Session Description:
Over a billion people worldwide rely on water resources that are derived from snow in mountainous regions. Understanding both the volume of water stored in seasonal snowpacks and its subsequent runoff generation is vital for improved water resource management and planning in these regions. Advances in field measurements, remote sensing observations, and modeling capabilities are critical for linking snowpack information with streamflow response and particularly pertinent to understand how changing snow dynamics will impact future water infrastructure and supply. This session seeks to explore the allocation of snowmelt to various hydrological processes including overland flow, shallow subsurface flow, groundwater recharge, evapotranspiration, and hydrograph separation between the various streamflow components. We invite submissions focusing on the connection between seasonal snowpacks and streamflow response through an improved understanding of runoff generation processes, from the catchment to continental scale.
Primary Convener:  Ryan Webb, University of Colorado, Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States
Conveners:  Graham A Sexstone, USGS Colorado Water Science Center, Denver, United States, Jessica M Driscoll, National Research Program Lakewood, USGS, Lakewood, CO, United States and Juan Ignacio López, IPE-CSIC, Zaragoza, Spain
Chairs:  Juan Ignacio López, IPE-CSIC, Zaragoza, Spain and Ryan Webb, University of Colorado, Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States
OSPA Liaison:  Ryan Webb, University of Colorado, Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States

Cross-Listed:
  • C - Cryosphere
  • GC - Global Environmental Change
Index Terms:

0736 Snow [CRYOSPHERE]
0740 Snowmelt [CRYOSPHERE]
1804 Catchment [HYDROLOGY]
1860 Streamflow [HYDROLOGY]

Abstracts Submitted to this Session:

Using Multiple Environmental Tracers to Investigate the Relative Role of Soil and Deep Groundwater in Stream Water Generation for a Snow-Dominated Headwater Catchment. (292113)
Isabellah von Trapp1, William P Gardner1, Kelsey G Jencso2 and Robert Livesay3, (1)University of Montana, Missoula, MT, United States, (2)University of Montana, Franke School of Forestry and Conservation, Missoula, United States, (3)University of Montana, Corvallis, OR, United States
Controls on deep drainage beneath the root soil zone in snowmelt-dominated environments (227591)
John Christopher Hammond, U.S. Geological Survey, Maryland-Delaware-DC Water Science Center, Catonsville, United States, Adrian Adam Harpold, University of Colorado at Boulder, Institute of Arctic and Alpine Research, Boulder, CO, United States and Stephanie K Kampf, Colorado State University, Department of Ecosystem Science and Sustainability, Fort Collins, CO, United States
Discrepancy between Snowmelt and Soil Infiltration (Invited) (288386)
Steven R Fassnacht, Colorado State University, Watershed Science, Fort Collins, United States
Summertime Minimum Streamflow Elasticity to Antecendent Winter Precipitation, Peak Snow Water Equivalent and Summertime Evaporative Demand in the Western US Maritime Mountains (298244)
Jacob Schaperow1, Matthew G Cooper2, Sarah W Cooley2, Sarfaraz Alam3, Laurence C Smith4 and Dennis P Lettenmaier5, (1)UCLA, Department of Civil and Environmental Engineering, Los Angeles, United States, (2)University of California Los Angeles, Geography, Los Angeles, CA, United States, (3)University of California Los Angeles, Civil and Environmental Engineering, Los Angeles, CA, United States, (4)Brown University, Institute at Brown for Environment and Society (IBES); Department of Earth, Environmental, and Planetary Sciences (DEEPS), Providence, RI, United States, (5)University of California Los Angeles, Los Angeles, CA, United States
How much runoff originates as snow in the western United States and what its future changes tell us? (Invited) (237974)
Dongyue Li, UCLA, Department of Geography, Los Angeles, CA, United States, Melissa Wrzesien, Ohio State University Main Campus, Columbus, United States, Michael T Durand, Ohio State University, School of Earth Sciences, Columbus, OH, United States, Jennifer C Adam, Washington State University, Civil and Environmental Engineering, Pullman, United States and Dennis P Lettenmaier, University of California Los Angeles, Los Angeles, CA, United States

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