Session No. 17 Tuesday, May 14, 2002

8:00 AM-12:00 PM, LaSells Stewart Center: Construction/Engineering
T8. Debris Flows: Theory and Practice I
Richard M. Iverson, Keith Mills and R. Jon Hofmeister, Presiding
Start Time
8:00 AM Introductory Remarks
8:10 AM WHO KNOWS/WHO CARES/WHY BOTHER ABOUT DEBRIS FLOWS? WASHINGTON STATE'S EXPERIENCE TRANSLATING INFORMATION INTO POLICY: BRUNENGO, Matthew J., GeoEngineers, Inc, 7504 SW Bridgeport Rd, Portland, OR 97224, mbrunengo@geoengineers.com.
8:25 AM TAKE THE A-FRAME: DEBRIS FLOW DURING 1996 RAIN-ON-SNOW EVENT, BLUE MOUNTAINS, WASHINGTON: CARSON, Robert J., Department of Geology, Whitman College, Walla Walla, WA 99362, carsonrj@whitman.edu.
8:40 AM FOREST MANAGEMENT AND EFFECTS ON SHALLOW, RAPID LANDSLIDE-INITIATED DEBRIS FLOWS IN OREGON: SEWARD, John H., Southern Oregon Area, Oregon Department of Forestry, 1758 N.E. Airport Road, Roseburg, OR 97470, John.H.Seward@state.or.us and MILLS, Keith A., Forest Practices, Oregon Department of Forestry, 2600 State Street, Salem, OR 97310
8:55 AM SHALLOW LANDSLIDING, ROOT REINFORCEMENT, AND THE SPATIAL DISTRIBUTION OF TREES IN THE OREGON COAST RANGE: ROERING, Joshua J., Geological Sciences, Univ of Oregon, Eugene, OR 97403-1272, jroering@oregon.uoregon.edu, SCHMIDT, Kevin, USGS, Menlo Park, CA, STOCK, Jonathan D., Earth and Planetary Science, Univ. California, Berkeley, Berkeley, CA, MONTGOMERY, David R., Univ Washington, PO Box 351310, Seattle, WA 98195-1310, and DIETRICH, William E., Department of Earth & Planetary Science, Univ of California, Berkeley, 307 McCone Hall, Berkeley, CA 94720
9:10 AM PROCESSES AND RATES OF SEDIMENT AND WOOD ACCUMULATION DURING THE INTERVAL BETWEEN DEBRIS FLOWS IN HEADWATER STREAMS OF THE OREGON COAST RANGE, U.S.A: MAY, Christine L., USFS Pacific Southwest Rsch Station, 1700 Bayview Dr, Arcata, CA 95521, clmay@fs.fed.us and GRESSWELL, Robert E., USGS Forest and Rangeland Ecosystem Sci Ctr, 3200 SW Jefferson Way, Corvallis, OR 97331
9:25 AM A SOIL CHRONOSEQUENCE ON A DEBRIS FLOW FAN IN DODSON, OREGON: SEARS, Tricia R., Environmental Science and Resources, Portland State Univ, 218 Science Building II, Portland, OR 97207, three3sisters@juno.com and GALLUCCI, Joe, Geology, Portland State Univ, 17A Cramer Hall, Portland, OR 97207, longislandcowboy@yahoo.com
9:40 AM Break
9:55 AM A MODEL FOR SPATIALLY AND TEMPORALLY DISTRIBUTED LANDSLIDING TRIGGERED BY RAINFALL INFILTRATION: GODT, Jonathan W., SAVAGE, William Z., and BAUM, Rex L., U.S. Geol Survey, Box 25046, M.S. 966, Denver Federal Center, Denver, CO 80225, jgodt@usgs.gov
10:10 AM THE DEBRIS-FLOW RHEOLOGY MYTH: IVERSON, Richard M., Cascade Volcano Observatory, 1300 South Cardinal Court, Building 10, Suite 100, Vancouver, WA 98683-9589, riverson@usgs.gov.
10:25 AM SIMPLE MECHANISMS COMBINE TO PRODUCE COMPLEX BEHAVIOR IN DEBRIS FLOWS: DENLINGER, Roger P. and IVERSON, Richard M., Cascade Volcano Observatory, 1300 South Cardinal Court, Building 10, Suite 100, Vancouver, WA 98683-9589, roger@usgs.gov
10:40 AM DEBRIS FLOWS ON LOGGED HILLSLOPES: FIELD OBSERVATIONS AND THE IMPLICATIONS FOR NATURAL HAZARDS RISK ASSESSMENT: FANNIN, R. Jonathan, Univ of British Columbia, Vancouver, BC V6T 1Z4 Canada, fannin@civil.ubc.ca.
10:55 AM APPLICATION OF SETS THEORY TO THE MODELLING OF RUNOUT DISTANCES OF SLOPE FAILURES IN STEEP TERRAIN: STRIMBU, Bogdan and INNES, John, Forest Resources Management, Faculty of Forestry, University of British Columbia, #2045-2424 Main Mall, Vancouver, BC V6T1Z4, Canada, strimbu@interchange.ubc.ca
11:10 AM INUNDATION-AREA STATISTICS AND MOBILITY EQUATIONS FOR DEBRIS FLOWS AND ROCK AVALANCHES: GRISWOLD, Julie, USGS, Vancouver, WA and Dept. of Geology, Portland State University, P.O. Box 751, Portland, OR 97207-0751, griswold@pdx.edu and IVERSON, Richard M., USGS, 1300 SE Cardinal Court, # 100, Vancouver, WA 98683-9589

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