H42A:
Disturbance Hydrology: Exploring Immediate and Long-Term Impacts of Abrupt Changes on Hydrological Processes and Earth Systems II

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Session ID#: 17000

Session Description:
Natural and anthropogenic disturbances stimulate hydrological systems triggering complex non-linear and non-additive interaction, process cascades, and feedbacks between hydrologic, geomorphic, biogeochemical, and ecologic systems. Disturbance hydrology examines how wildfires, volcanic eruptions, earthquakes, resource extraction, or other abrupt landscape changes impact hydrological fluxes, soil physical and chemical properties, flow paths, and hillslope or in-stream processes and hence provide important insights for better understanding the hydrologic cycle. While impacts may be spatially and temporally limited, they can induce short- and long-term changes in water partitioning, residence time distributions, and fluxes of solutes and sediments over broad scales. Thus, improved process knowledge of individual and overlapping disturbances is fundamental for better process understanding and for developing robust models, predictions, and land management practices. We welcome submissions from empirical, conceptual, or modeling studies that investigate how disturbances modify hydrological functioning and geomorphic or biogeochemical responses.
Primary Convener:  Christian Mohr, University of Potsdam, Potsdam, Germany
Conveners:  Kevin D. Bladon, Oregon State University, Forest Engineering, Resources, and Management, Corvallis, OR, United States, Joe Wagenbrenner, Michigan Technological University, School of Forest Resources and Environmental Sciences, Houghton, MI, United States and Nicolas Zegre, West Virginia University, Davis College School of Natural Resources, Morgantown, United States
Chairs:  Joe Wagenbrenner, Michigan Technological University, School of Forest Resources and Environmental Sciences, Houghton, MI, United States and Kevin D. Bladon, Oregon State University, Forest Engineering, Resources, and Management, Corvallis, OR, United States
OSPA Liaison:  Kevin D. Bladon, Oregon State University, Forest Engineering, Resources, and Management, Corvallis, OR, United States
Co-Organized with:
Hydrology, and Earth and Planetary Surface Processes

Cross-Listed:
  • B - Biogeosciences
  • EP - Earth and Planetary Surface Processes
  • GC - Global Environmental Change
  • NH - Natural Hazards

Proposed Co-Organized Session with:
  • EP - Earth and Planetary Surface Processes
Index Terms:

1803 Anthropogenic effects [HYDROLOGY]
1804 Catchment [HYDROLOGY]
1860 Streamflow [HYDROLOGY]
1871 Surface water quality [HYDROLOGY]

Abstracts Submitted to this Session:

Wildfire vs. Agricultural Operations: A Tale of Overprinted Disturbance Regimes (168599)
Andrew B Gray1, Gregory B Pasternack2, Elizabeth Burke Watson3, Jonathan A Warrick4, Jeff A Hatten5 and Miguel A Goni5, (1)University of California Riverside, Riverside, CA, United States, (2)University of California Davis, Department of Land, Air and Water Resources, Davis, CA, United States, (3)Drexel University, Academy of Natural Sciences, Philadelphia, PA, United States, (4)U.S. Geological Survey, Pacific Coastal and Marine Science Center, Santa Cruz, CA, United States, (5)Oregon State University, Corvallis, OR, United States
Hillslope erosion and hydrologic response in two small watersheds in Yosemite National Park following the 2013 Rim Fire, CA (198700)
Tim J Kuhn1, Harrison Forrester1, Rebecca Abney2, Stephen DeLong3, James W Roche1 and Asmeret Asefaw Berhe4, (1)Yosemite National Park, Division of Resources Management and Science, El Portal, CA, United States, (2)University of California Merced, Life and Environmental Sciences, Merced, CA, United States, (3)California Geological Survey Menlo Park, Menlo Park, CA, United States, (4)University of California Merced, Life and Environmental Sciences Department, Merced, United States
Post-fire Precipitation Thresholds and Treatment Efficacy from Plot to Watershed-scale (194875)
Codie Wilson, Colorado State University, Depatment of Ecosystem Science and Sustainability, Fort Collins, CO, United States, Stephanie K Kampf, Colorado State University, Department of Ecosystem Science and Sustainability, Fort Collins, CO, United States and Joe Wagenbrenner, Michigan Technological University, School of Forest Resources and Environmental Sciences, Houghton, MI, United States
Why can postwildfire runoff and erosion vary from negligible to extreme? (168297)
Philip Noske1, Petter Nyman1, Patrick N J Lane2, Rene Van der Sant3 and Gary J Sheridan2, (1)University of Melbourne, School of Ecosystem and Forest Sciences, Parkville, VIC, Australia, (2)University of Melbourne, School of Agriculture, Food and Ecosystem Sciences, Parkville, VIC, Australia, (3)University of Melbourne, School of Ecosystem and Forest Sciences, Parkville, Australia
Estimation of streamflow response to wildfire and salvage logging in a snow-dominated catchment using a model-based change detection approach (127303)
Robert Dan Moore, University of British Columbia, Geography, Vancouver, BC, Canada, Moritz Mahrlein, University of Freiburg, Hydrology, Freiberg, Germany and Yung-Chung Matt Chuang, Feng Chia University, Department of Urban Planning and Spatial Information, Taichung, Taiwan
Role of wildfire in controlling the source and flux of particulate organic carbon from a small, mountainous, semi-arid watershed (189514)
Jeff A Hatten1, Miguel A Goni1, Andrew B Gray2, Gregory B Pasternack3, Jonathan A Warrick4, Elizabeth Watson5 and Robert A Wheatcroft6, (1)Oregon State University, Corvallis, OR, United States, (2)University of California Riverside, Riverside, CA, United States, (3)University of California Davis, Department of Land, Air and Water Resources, Davis, CA, United States, (4)USGS Baltimore, Baltimore, MD, United States, (5)Drexel University, Philadelphia, PA, United States, (6)Oregon State University, Corvallis, United States
Wildland fire and climate variability impacts on annual streamflow in watersheds across the continental United States: Regional patterns and attribution analysis (137520)
Dennis W Hallema, USDA Forest Svc, Eastern Forest Environmental Threat Assessment Center, Raleigh, NC, United States; Oak Ridge Institute for Science and Education, Oak Ridge, United States, Ge Sun, USDA Forest Svc, Southern Research Station, Raleigh, NC, United States, Peter V Caldwell, USDA Forest Service, Southern Research Station, Otto, United States, Steven P Norman, USDA Forest Service, Asheville, NC, United States, Erika C Cohen, USDA Forest Svc, Eastern Forest Environmental Threat Assessment Center, Raleigh, United States, Yongqiang Liu, USDA Forest Service, Athens, GA, United States and Steven McNulty, North Carolina State University at Raleigh, Department of Forestry and Environmental Resources, Raleigh, NC, United States
Fires: Pushing the Reset Button or a Flash in the Pan? (Invited) (184720)
Lee H MacDonald1, Joe Wagenbrenner2, Peter R Robichaud3, Peter A Nelson4, Stephanie K Kampf5 and Daniel Joseph Brogan1, (1)Colorado State University, Fort Collins, CO, United States, (2)Michigan Technological University, School of Forest Resources and Environmental Sciences, Houghton, MI, United States, (3)USDA Forest Service Rocky Mountain Research Station, Moscow, United States, (4)Colorado State University, Civil and Environmental Engineering, Fort Collins, United States, (5)Colorado State University, Department of Ecosystem Science and Sustainability, Fort Collins, CO, United States

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