GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 2
Sunday, 22 September 2019: 8:00 AM-12:00 PM
Room 224A, North Building (Phoenix Convention Center)

T5. Geomorphic and Hydrologic Processes in Post-Wildfire Environments: Drivers, Impacts, and Hazards

GSA Quaternary Geology and Geomorphology Division; GSA Soils and Soil Processes Division

 

Luke McGuire, Ann M. Youberg, Jason Williams and Joel B. Sankey, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
2-1
8:15 AM
RAINFALL MICROSTRUCTURE AND DEBRIS-FLOW GENERATION IN A RECENTLY BURNED WATERSHED (Invited Presentation)
STALEY, Dennis M., SMITH, Joel B., KEAN, Jason W. and RENGERS, Francis K., U.S. Geological Survey, Box 25046, MS 966, Denver Federal Center, Denver, CO 80225
2-2
8:35 AM
REFINING THRESHOLDS FOR RUNOFF-GENERATED DEBRIS FLOWS: INSIGHTS FROM A RECENTLY BURNED AREA IN THE GILA NATIONAL FOREST, NEW MEXICO, USA
MCGUIRE, Luke, University of Arizona, Department of Geosciences, Tucson, AZ 85721 and YOUBERG, Ann M., Arizona Geological Survey, University of Arizona, 1955 E 6th St, Tucson, AZ 85721
2-3
8:50 AM
THE EVOLUTION AND DEPLETION OF SEDIMENT POOLS IN A STEEP HEADWATER CATCHMENT FOLLOWING WILDFIRE AS DOCUMENTED BY HIGH RESOLUTION CHANGE DETECTION
GUILINGER, James J.1, GRAY, Andrew B.1 and BARTH, Nicholas C.2, (1)Department of Environmental Sciences, University of California, Riverside, 900 University Ave, Riverside, CA 92521, (2)Deptartment of Earth and Planetary Sciences, University of California, Riverside, 900 University Ave, Riverside, CA 92521
2-4
9:05 AM
DRY RAVEL LOADING OF STEEP HEADWATER VALLEY NETWORKS FUELS POST-WILDFIRE SEDIMENTATION HAZARDS IN SOUTHERN CALIFORNIA
DIBIASE, Roman A., Department of Geosciences, Pennsylvania State University, University Park, PA 16802; Earth and Environmental Systems Institute, Pennsylvania State University, University Park, PA 16802 and LAMB, Michael P., Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125
2-5
9:20 AM
DISTINGUISHING POST-FIRE DEBRIS FLOW EROSIONAL AND DEPOSITIONAL ZONES IN A BURNED WATERSHED
RENGERS, Francis K.1, KEAN, Jason W.1, STALEY, Dennis M.1 and MCGUIRE, Luke2, (1)U.S. Geological Survey, Box 25046, MS 966, Denver Federal Center, Denver, CO 80225, (2)University of Arizona, Department of Geosciences, Tucson, AZ 85721
2-6
9:35 AM
POST-WILDFIRE SEDIMENT CASCADES: WATERSHED-SCALE DYNAMICS AND THE VULNERABILITY OF RESERVOIRS (Invited Presentation)
MURPHY, Brendan P.1, BELMONT, Patrick1 and CZUBA, Jonathan A.2, (1)Department of Watershed Sciences, Utah State University, 5210 Old Main Hill, Logan, UT 84322, (2)Biological Systems Engineering, Virginia Tech, Blacksburg, VA 24061
 
9:55 AM
Break
2-7
10:10 AM
POST-FIRE VEGETATION, SOIL, AND STREAM PROCESSES IN URBAN MEDITERRANEAN SYSTEMS (Invited Presentation)
KINOSHITA, Alicia M., Civil, Construction, and Environmental Engineering, San Diego State University, San Diego, CA 92182
2-8
10:30 AM
POSTWILDFIRE HYDROLOGIC AND GEOMORPHIC RESPONSE IN A SEVERELY BURNED, SEMI-ARID WATERSHED: IMPLICATIONS FOR EARLY FLOOD-WARNING SYSTEM INSTALLATIONS
TILLERY, Anne C.1, MOESER, C. David1, TRADER, Laura2 and MARTIN, Deborah A.3, (1)U.S. Geological Survey, New Mexico Water Science Center, 6700 Edith Blvd NE STE B, Albuquerque, NM 87113, (2)National Park Service, Bandelier National Monument, 15 Entrance Rd, Los Alamos, NM 87544, (3)U.S. Geological Survey, 3215 Marine Street, Suite E-127, Boulder, CO 80303
2-9
10:45 AM
AN INVESTIGATION OF TRACE METAL CONCENTRATIONS IN SEDIMENT AND SURFACE WATER OF THE WOOLSEY WILDFIRE AREA, CALIFORNIA
ALMAGUER, Alexandra1, LACKEY, Hilary Sanders1, MCCARTY, Kyle R.2 and LACKEY, Jade Star2, (1)Earth Science and Astronomy, Mt. San Antonio College, 1100 Grand Avenue, Walnut, CA 91789, (2)Geology Department, Pomona College, 185 E. 6th St, Claremont, CA 91711
11:00 AM
CHANNEL REFILL PROCESSES FOLLOWING POST-FIRE DEBRIS FLOWS, PINALENO MOUNTAINS, ARIZONA, USA
BEERS, Rebecca L. and JOYAL, Taylor J., Northern Arizona University, S San Francisco St., Flagstaff, AZ 86011
11:15 AM
POST-FIRE EROSION: IMPLICATIONS FOR LATERAL DISTRIBUTION AND PERSISTENCE OF PYROGENIC CARBON IN SOILS OF TEMPERATE FOREST ECOSYSTEMS
BERHE, Asmeret Asefaw, Life and Environmental Sciences, University of California, Merced, Merced, CA 95343 and ABNEY, Rebecca, Indiana University Bloomington, Bloomington, IN 47405
11:30 AM
QUANTIFYING THE SPATIAL DISTRIBUTION OF PYROGENIC CARBON FOLLOWING THE 2018 BUZZARD FIRE IN THE GILA NATIONAL FOREST, NEW MEXICO
FENERTY, Brendan1, RIDINGHAFER, Jacob2, LIZARAZU, Iaos1, MCGUIRE, Luke1, RASMUSSEN, Craig3 and YOUBERG, Ann M.4, (1)Department of Geosciences, University of Arizona, Tucson, AZ 85721, (2)Department of Hydrology & Atmospheric Sciences, University of Arizona, Tucson, AZ, AZ 85721, (3)Soil, Water, and Environmental Science, University of Arizona, Tucson, AZ, AZ 85721, (4)Arizona Geological Survey, University of Arizona, Tucson, AZ 85701
11:45 AM
DEBRIS FLOW PATH CHANGE IN RESPONSE TO TOPOGRAPHY AND ACTIVE TECTONIC PROCESSES: IMPLICATIONS FOR HAZARD EXPOSURE
KELLER, Edward A., Earth Science, University of California, Santa Barbara, CA 93106, ADAMAITIS, Chandler, Earth Science, University of California Santa Barbara, Santa Barbara, CA 93106 and ALESSIO, Paul, Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106
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