H52A:
Advances in Process-Based Hydrologic Modeling I

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Session ID#: 16870

Session Description:
Hydrological models are assemblages of hypotheses about the behavior of natural systems. The use of these hypotheses within the models is often poorly justified, which may result in model structures and parameterizations inconsistent with the insights gained in experimental catchments. This session invites contributions including (but not limited to): (1) efforts to strengthen the link between existing theory and hydrologic models and evaluation of process explanations developed in research catchments; (2) new formulations for model components to faithfully represent the internal and external system behavior, and new formulations for better presenting dominant controls (such as thresholds); and (3) new methods to evaluate and select among model alternatives using highly uncertain data. The intent of this session is to accelerate the implementation of different theories that explain individual processes, process interactions, patterns and scaling behavior; and to discuss the testing and refinement of these theories using both quantitative and qualitative analyses.
Primary Convener:  Shervan Gharari, University of Saskatchewan, Centre for Hydrology, Saskatoon, SK, Canada; Delft University of Technology, Delft, Netherlands
Conveners:  Martyn P Clark, National Center for Atmospheric Research, Boulder, United States, Saman Razavi, University of Saskatchewan, Global Institute for Water Security, Saskatoon, SK, Canada and Bethanna M Jackson, Victoria University of Wellington, Wellington, New Zealand
Chairs:  Shervan Gharari, University of Saskatchewan, Centre for Hydrology, Saskatoon, SK, Canada; Delft University of Technology, Delft, Netherlands, Saman Razavi, University of Saskatchewan, Global Institute for Water Security, Saskatoon, SK, Canada, Bethanna M Jackson, Victoria University of Wellington, Wellington, New Zealand and Martyn P Clark, National Center for Atmospheric Research, Boulder, United States
OSPA Liaison:  Shervan Gharari, University of Saskatchewan, Centre for Hydrology, Saskatoon, SK, Canada; Delft University of Technology, Delft, Netherlands
Index Terms:

1839 Hydrologic scaling [HYDROLOGY]
1847 Modeling [HYDROLOGY]
1873 Uncertainty assessment [HYDROLOGY]
1879 Watershed [HYDROLOGY]

Abstracts Submitted to this Session:

On Model Complexity and Parameter Regionalization for Continental Scale Hydrologic Simulations (117780)
Oldrich Rakovec, Czech University of Life Sciences, Water Resources and Environmental Modelling, Prague, Czech Republic, Naoki Mizukami, NSF National Center for Atmospheric Research, Boulder, United States, Andrew James Newman, University Corporation for Atmospheric Research, Boulder, CO, United States, Stephan Thober, Helmholtz Centre for Environmental Research UFZ Leipzig, Leipzig, Germany, Rohini Kumar, Helmholtz Centre for Environmental Research GmbH – UFZ, Leipzig, Germany, Computational Hydrosystems, Leipzig, Germany, Andrew W Wood, National Center for Atmospheric Research, Boulder, CO, United States, Martyn P Clark, National Center for Atmospheric Research, Boulder, United States and Luis Samaniego, Helmholtz Centre for Environmental Research UFZ Leipzig, Computation Hydrosystems, Leipzig, Germany
Are Process Consistent Models Attainable? Reconciling Model Assumptions With the Reality of Observations (179493)
Tyler J Smith, Clarkson University, Department of Civil & Environmental Engineering, Potsdam, NY, United States, Lucy Amanda Marshall, University of New South Wales, School of Civil and Environmental Engineering, Sydney, NSW, Australia and Brian L McGlynn, Duke University, Nicholas School of the Environment, Durham, NC, United States
Cataloging Hydrologic Theory (Invited) (120190)
Charles H Luce, USDA Forest Service, Rocky Mountain Research Station, Boise, ID, United States, Ross A Woods, University of Bristol, Civil Engineering, Bristol, United Kingdom and Gemma Coxon, University of Bristol, School of Geographical Sciences, Bristol, United Kingdom
A Thermodynamic Approach to Soil-Plant-Atmosphere Modeling: From Metabolic Biochemical Processes to Water-Carbon-Nitrogen Balance (138744)
Hector William Clavijo, University of Pittsburgh, Pittsburgh, PA, United States
SUMMA and Model Mimicry: Understanding Differences Among Land Models (151654)
Bart Nijssen, University of Washington Seattle Campus, Seattle, WA, United States, Dr. Grey Stephen Nearing, PHD, Upstream Tech, Tuscaloosa, United States, Gengxin Ou, University of Nebraska Lincoln, Lincoln, NE, United States and Martyn P Clark, National Center for Atmospheric Research, Boulder, United States
A mean field approach to the watershed response under stochastic seasonal forcing (163709)
Mark S Bartlett Jr1,2, Ignacio Rodriguez-Iturbe3 and Amilcare M Porporato2, (1)Princeton University, Civil and Environmental Engineering, Princeton, NJ, United States, (2)Duke University, Civil and Environmental Engineering, Durham, NC, United States, (3)Texas A&M University, College Station, United States
Model Formulations Under Change - Sure, but how? Problems and Ideas (but no Solutions) (Invited) (121733)
Markus Hrachowitz, Delft University of Technology, Delft, Netherlands
Why Size Doesn't Matter: The Importance of Stemflow Measurements in the Evaluation of Interception Models (165244)
Debora Yumi de Oliveira, Pedro Luiz Borges Chaffe and João Henrique Macedo Sá, UFSC Federal University of Santa Catarina, Florianópolis, Brazil

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