H51N:
Balancing the Water Budget: A Physical Basis for Quantifying Water Fluxes Using Data and Models I

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Session ID#: 34838

Session Description:
Mass balance is the governing principle in the characterization of hydrologic processes. The water budget, ΔStorage = Input – Output, is a “first principles lens” that can be used to guide exploration, observations, and process representation of hydrologic fluxes. Furthermore, it constitutes the framework in which we integrate and evaluate hydrologic models at multiple spatio-temporal scales (from single events to multi-decadal cycles, and from watersheds to continents). Given its fundamental importance, an important question is to what degree and with how much confidence can the water budget be balanced. This session solicits studies exploring this question at multiple spatial and temporal scales using both data-driven and model-based approaches. We especially welcome efforts to incorporate a broad understanding of conservation of mass into the evaluation or integration of hydrologic models. Improved system-wide understanding is paramount as the globalization of water and trade of “virtual” water stocks become the status quo.
Primary Convener:  William Hastings Farmer, National Research Program Lakewood, USGS, Lakewood, CO, United States
Conveners:  Jessica M Driscoll, National Research Program Lakewood, USGS, Lakewood, CO, United States, Christopher Tennant, University of California Berkeley, Geography, Berkeley, CA, United States and Dino G. Bellugi, University of California Berkeley, Berkeley, CA, United States
Chairs:  Dino G. Bellugi, University of California Berkeley, Berkeley, CA, United States and William Hastings Farmer, U.S Geological Survey, Denver, United States
OSPA Liaison:  William Hastings Farmer, U.S Geological Survey, Denver, United States
Index Terms:

1836 Hydrological cycles and budgets [HYDROLOGY]
1873 Uncertainty assessment [HYDROLOGY]
1874 Ungaged basins [HYDROLOGY]
1876 Water budgets [HYDROLOGY]

Abstracts Submitted to this Session:

Catchment Storage and Transport on Timescales from Minutes to Millennia (Invited) (213158)
James W Kirchner, WSL Swiss Federal Institute for Forest, Snow and Landscape Research, Birmensdorf, Switzerland; ETH Zurich, Dept. of Environmental Systems Science, Zurich, Switzerland
Comparing Budget-based and Tracer-based Residence Times in Butte Basin, California (210127)
Jean E Moran, California State University East Bay, Department of Earth and Environmental Sciences, Hayward, United States, Ate Visser, Lawrence Livermore National Laboratory, Nuclear and Chemical Sciences Division, Livermore, CA, United States, Brad Esser, Lawrence Livermore National Laboratory, Livermore, CA, United States and Christina Buck, Butte County, California, Department of Water and Resource Conservation, Oroville, CA, United States
A reassessment of North American river basin water balances in light of new estimates of mountain snow accumulation (245167)
Melissa Wrzesien, Ohio State University Main Campus, Columbus, United States, Michael T Durand, Byrd Polar and Climate Research Center, Columbus, United States and Tamlin Pavelsky, University of North Carolina at Chapel Hill, Earth, Marine and Environmental Sciences, Chapel Hill, NC, United States
Models, Data, Information and Hypotheses: Towards a More Effective Use of Simulation Models in Hydrology (Invited) (214225)
Richard P Hooper1,2, Dr. Grey Stephen Nearing, PHD3, Alva Couch1 and Laura E Condon4, (1)Consortium of Universities for the Advancement of Hydrological Science, Water Data Center, Washington, DC, United States, (2)Tufts University, Civil and Environmental Engineering, Medford, MA, United States, (3)Upstream Tech, Tuscaloosa, United States, (4)Syracuse University, Civil and Environmental Engineering, Syracuse, NY, United States
Strategies for estimating the water budget at different scales using the JGrass-NewAGE system (276411)
Riccardo Rigon, University of Trento, Department of Civil, Environmental and Mechanical Engineering, Trento, Italy, Marialaura Bancheri, CNR National Research Council of Italy, ISAFOM, Portici (NA), Italy, Francesco Serafin, University of Trento, Trento, Italy, Wuletawu Abera, CIAT, Addis Ababa, Ethiopia and Michele Bottazzi, Università di Trento, Department of Civil, Environmental and Mechanical Engineering, Trento, Italy
Evaporation from a temperate closed-basin lake and its impact on present, past, and future water level (225857)
Ke Xiao1, Timothy J Griffis1, John M Baker1,2, Paul V Bolstad3, Matt D Erickson4, Xuhui Lee5,6, Jeffrey D Wood7,8 and Cheng Hu6, (1)University of Minnesota Twin Cities, Department of Soil, Water, and Climate, St. Paul, United States, (2)USDA ARS retired, St. Paul, United States, (3)University of Minnesota Twin Cities, Department of Forest Resources, St Paul, MN, United States, (4)University of Minnesota Twin Cities, Department of Soil, Water, and Climate, St Paul, MN, United States, (5)Yale University, School of the Environment, New Haven, CT, United States, (6)Nanjing University of Information Science and Technology, Yale-NUIST Center on Atmospheric Environment, Nanjing, China, (7)University of Missouri Columbia, Department of Soil, Water, and Climate, Columbia, MN, United States, (8)University of Missouri, School of Natural Resources, Columbia, MO, United States
Statewide Groundwater Recharge Modeling in New Mexico (226253)
Esther Xu Fei1, Daniel Cadol1, Brad Talon Newton2 and Fred M Phillips3, (1)New Mexico Institute of Mining and Technology, Earth and Environmental Science, Socorro, United States, (2)New Mexico Bureau of Geology and Mineral Resources, Socorro, NM, United States, (3)New Mexico Institute of Mining and Technology, Socorro, NM, United States

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