Chapman Conference

AGU Chapman Conference on
State-of-the-Art in Hillslope Hydrology

8-12 October 2001
Sunriver, Oregon


FINAL PROGRAM & ABSTRACTS
Revised 10/3/01

Sunday, October 7

15:00-19:00 REGISTRATION
Great Hall Conference Center, Lobby
 
19:00-21:00   Drinks (on your own) and social hour at the Sunriver Bar

Monday, October 8

9:00-9:15 Larry Band Welcome and Discussion of Meeting Structure
  SESSION I
Chair: Mike Kirkby, Leeds University
CONTROLS ON WATER FLUX INTO AND WITHIN THE SOIL AT THE MICRO-SCALE
9:15-10:15 Keith Beven, Lancaster University, UK Learning About Places: A Philosophy for Environmental Modelling?
10:15-10:30 REFRESHMENT BREAK  
10:30-11:15 Brent Clothier, DSIR, New Zealand  Water and Solutes in the Rootzone: A Hydrologic Lacuna?
11:15-12:30 Hannes Flühler, ETH Zurich  Preferential flow from pore to catchment scale
12:30-13:30 LUNCH (on your own)  
13:30-14:15 John Selker, Oregon State University Macropore Flow and Transport: What 1,000 articles have not taught us and
where to go from here
14:15-14:20 J A Ballantine Poster Descriptions
14:20-14:25 H L Cloke Poster Descriptions
 14:25-14:30 R Torres Poster Descriptions
14:30-15:00   Moderated Discussion of Day's presentations
15:00-15:20 BREAK  
15:20-17:20 BEER AND POSTERS FORMAL POSTER SESSION I 
#1 H Aksoy, J Y Yoon, M L Kavvas A Physically-Based Formulation for Erosion and Sediment Transport at Hillslope Scale
#2 J A Ballantine, T Dunne The Disparity Between Saturated Hydraulic Conductivities at Point and Catchment Scales
#3 K Bishop, S Köhler; H Laudon; J Hruska Riparian Zone Controls on the Chemical Dynamics of DOC-Rich Runoff from a Hillslope with Transmissivity-Feedback Flow Paths
#4 E S Brooks, J Boll Hydraulic Parameters Determined Using A Hillslope Scale Field Experiment 
#5 S K Carey, W L Quinton Hillslope Runoff Processes in the Canadian Arctic and Subarctic: The Role of Frozen Ground and Organic Soils
#6 D G Chandler, J M McNamara Pressure-Water Content Relations for a Sandy, Granitic Soil at Flow Cell, Soil Column and Hillslope Scales
#7 D G Chandler, J M McNamara, M S Seyfried, M D Murdock Field Testing of Water Content Reflectometers in Sandy, Granitic Soils
#8 H L Cloke, A J Claxton, J-P Renaud, 
P D Bates, M G Anderson
Modelling Key State Variables in Hillslope Hydrology: the Effect of Model Configuration
#9 J Constantz, R Niswonger, A E Stewart, D A Stonestrom, D E Prudic Heat as a Tracer for Examining Near-stream Hillslope Water Fluxes 
#10
Withdrawn
A Criminisi, S Ferraris, M Iovino Simulating hillslope variably saturated flow by a simplified two-dimensional model
#11
Withdrawn
S Ferraris, M Acutis Influence of time variation of soil moisture and rainfall for the continuous simulation of runoff
#12 V Engel, M Stieglitz, K Griffin, M Williams Canopy Hydraulic Properties and Catchment Water Balance: Observations and Modeling
#13 A H Haria, P Shand, K Griffiths, C Soulsby Groundwater - The Missing Link: Hydrological Processes and Stream Flow Generation in the Riparian Zone of an Upland Catchment 
#14 R F Keim, A E Skaugset Modeled Attenuation of High Hillslope Pore Pressures by Canopy Interception of Rainfall 
#15 D S Mackay; S Samanta Multi-Objective Parameter Estimation of a Variably Saturated-Unsaturated Hydrologic Model for Forested Catchments
#16 Y Onda, M Tsujimura An Experimental Study on the Mechanism for Subsurface Water Infiltration into Bedrock Fractures 
#17 A Rodhe, J Seibert, P Seibert, A Eklund Groundwater Dynamics in a Till Hillslope: Flow Directions, Gradients and Delay
#18 R Torres, W E Dietrich, D R Montgomery, S P Anderson, T W Giambelluca, K Loague Unsaturated-Saturated Zone Interactions in a Steep Unchanneled Valley 
  EVENING SESSION 
Session Chair: Jim Buttle, Trent University
 
19:30-20:15 Roy Sidle, University of Singapore, Singapore Quantification of the Hydrogeomorphic Concept of Stormflow Generation in
Headwater Streams: a First Approximation
20:15-21:15   Moderated discussion
21:15-   Beer in the Sunriver Lodge

Tuesday, October 9

  SESSION II 
Session Chair: Julia Jones, Oregon State University
THE PATTERNS AND PHYSICS OF WATER MOVEMENT AT THE HILLSLOPE SCALE; INPUT/OUTPUT AND INTERNAL FLUX OF WATER AT THE HILLSLOPE SCALE
9:00-10:15 Dave Montgomery, University of Washington The Coos Bay Experiment: Water movement on steep hillslopes
10:15-10:30 Peter Troch, Wagingen University Behavior of a Hillslope-storage Boussinesq Model for Subsurface
Stormflow and Saturation Overland Flow
10:30-11:00 REFRESHMENT BREAK  
11:00-11:45 Chris Duffy, Penn State The Hillslope as an Extended Dynamical System: A Strategy for Watershed & River Basin Runoff Modeling
11:45-12:30 Guido Salvucci, Boston University Signatures of lateral processes in the scale dependence of water
balance sensitivity to soil moisture
12:30-12:35 G Bertoldi Poster Description
12:35-12:40 C N Goodwin Poster Description
12:40-12:45 B C Wemple Poster Description
12:45-13:15   Moderated discussion of presentations
13:15-16:00 LUNCH LUNCH (on your own) and Free Afternoon for Discussions
16:00-18:00 BEER AND POSTERS FORMAL POSTER SESSION II
#1 G Bertoldi, R Rigon, T Over GEOTOP: a Model of the Hydrological Cycle for Small Catchments and Hillslopes
#2 F R Fiedler The Role of Small-Scale Dynamic Surface Interactions in Hillslope Hydrologic Response
#3 J C Fisher Simulation of Partially Saturated - Saturated Flow in the Caspar Creek E-Road Groundwater System
#4 C N Goodwin, D G Tarboton An Ecohydrological Approach for Modeling Vegetation Cover Based Upon Equilibrium Soil Moisture Availability
#5 T R Green Analysis of Space-Time Soil Water Data Along an Undulating Hillslope Transect
#6 K N Hjerdt, J Seibert, J J McDonnell, J Shanley Timing, Magnitude and Duration of Groundwater Response to Rainfall in a Forested Headwater Catchment
#7 S A Lorentz Hillslope Monitoring on Molteno Formations of the northern Eastern Cape, South Africa
#8 C H Luce, T A Black, J L Clayton Lessons on Hillslope Hydrology from Subsurface Flow Interception by Forest Roads
#9 B L McGlynn, J J McDonnell, R P Hooper, C Kendall On the Relative Roles of Hillslopes vs. Riparian Zones in Headwater Catchment Runoff Volume, Timing, and Composition
#10 J A Ramirez, D A Raff Channel Initiation, Drainage Density, and Channel Network Structure at the Hillslope Scale 
#11 J L Shaman, M Stieglitz, V C Engel, R D Koster, C Stark Representation of Stormflow and a More Responsive Water Table in a TOPMODEL-Based Hydrology Model
#12 M S Srinivasan, W J Gburek, B A Needelman Identification of Runoff Generation Mechanisms: Scaling from Hillslope to Watershed
#13 T S Steenhuis, V K Mehta, M S Johnson, M T Walter, G F Mendoza, D J Thongs, M Zion, E M Schneiderman A Shallow Soil TOPMODEL 
#14 G Loscher, D G Tarboton, I Creed, K Webster Soil Moisture Variability in a Small Steep Forested Watershed
#15 J L Ticehurst, H P Cresswell, N J McKenzie, A J Jakeman,  Modeling Hillslope Hydrology for Locating Break-of-Slope Plantations in Australian Agricultural Landscapes
#16 H J Tromp-van Meerveld, J J McDonnell, B T Aulenbach, J Freer Threshold Effects on Hillslope Flux: Examination of 261 Storms from the Panola Trench Site
#17 T Uchida, Y Asano, N Ohte, T Mizuyama The role of bedrock groundwater flow in streamflow generation at a steep unchanneled hollow 
#18 N van de Giesen, T J Stomph, N de Ridder Surface Runoff Scale Effects in West African Watersheds: Field Measurements, Model Verification, and Scenarios
#19 B C Wemple, J A Jones Runoff Production on Forest Roads in a Steep Mountain Landscape
#20 C J Wilson, N F Herron Factors Affecting the Hydrologic Connectivity of Hillslopes to Streams
#21 J Wirt, J P McNamara, D Chandler, G N Flerchinger Water Budget Analysis of a Small Granitic Watershed on the Boise Front, Boise ID
#22 A Yair Long Term Monitoring of Water Flow in a Small Arid Catchment: Scale Effects of Rainfall and Surface Properties
#23 M K Yenko, J P McNamara, D Chandler Hydrometric and Geochemical Evidence of Cold-Season Runoff Generation Mechanisms at the Hillslope Scale in the Semi-Arid Dry Creek Watershed, Idaho
#24 A D Ziegler, T W Giambelluca, R A Sutherland An Improved Methodology for Modeling Sediment Transport on Unpaved Mountain Roads 
  EVENING SESSION
Session Chair: Cathy Wilson, Los Alamos National Laboratory
 
19:30-20:15 Rodger Grayson, University of Melbourne, Australia Patterns of soil moisture at the hillslope scale
20:15-21:15   Moderated discussion

Wednesday, October 10

  FIELD TRIP H.J. ANDREWS EXPERIMENTAL FOREST LTER
Objective: To provide an opportunity for Chapman attendees to see a premier USA research catchment and explore Chapman hillslope hydrology issues together in the field.
7:45   Board Buses
8:00   Buses Depart for Field Trip Site
10:15   Buses Arrive at H.J. Andrews Experimental Forest LTER
10:15-10:30 REFRESHMENT BREAK  
  Fred Swanson, US Forest Service  Welcome to H.J. Andrews
  Jeff McDonnell, Oregon State University Field Trip Overview and Introduction of Site Leaders
11:00-13:00 FIELD TOUR: Part I (with bag lunch along the way)
  Group 1 (in bus) Overlook Site (Swanson, Grant)
- examine geopgraphic and geol. context
- mangement dimensions, LTER context
- high Cascades vs low Cascades

Watershed 10 (McDonnell, McGuire)
- examine hillslopes and headwater catchment
- discuss old work by Harr and others
- new studies by McGuire and McDonnell
- how WS10 fits into Chapman theme

  Group 2 (walking from HQ) Debris Flow Fluem (Iverson)
- watch video in HQ conference room
- see debris flow flume
- discuss data and findings

Lookout Creek (Jones, Harmon, Johnson)
- Old Growth Decay and Hydrology
- Flood history
- channel changes
- 1996 flood effects

13:00-14:30 Switch Groups (See Above)
14:30-15:30 FIELD TOUR: Part 2  
  Group 1 Watershed 1 (stream overlook) (Jones, Grant)
- sediment transport
- harvesting effects on peak flows, roads
  Group 2 Watershed 1 (Sap flow site) (Johnson, Moore)
- sap flow measurement
- hillslope hydrology - ET relations
- water temperature studies
15:30-16:30   Beer and Wrap-up at HQ
16:30-18:15   BBQ and Beer
Entertainment: The Rockin' Chairs
18:15   Board Buses
18:30   Buses Depart for Return to Sunriver
20:45   Buses Arrive at Sunriver

Thursday, October 11

  SESSION 3 
Session Chair: Kevin Bishop, Swedish Agricultural University
CATCHMENT-SCALE PROCESSES AND LINKS TO STREAM CHEMISTRY
9:00-9:45 Jan Seibert, Swedish Agricultural University Conceptually based hydrological and geochemical modeling
9:45-10:30 Jim Buttle, Trent University, Canada Paradise Postponed - Challenges Facing the Reconciliation of Tracer, Isotopic
and Hydrometric Evidence for the Study of Catchment-Scale Runoff Processes
10:30-11:00 REFRESHMENT BREAK  
11:00-11:45 Rick Hooper, USGS Boston Towards an objective model of catchment hydrology
11:45-12:30 Jim Kirchner, UC Berkeley A Spectral Window Into Catchment Hydrology and Geochemistry
12:30-12:35 A L James Poster Description
12:35-12:40 B L McGlynn Poster Description
12:40-12:45 S Uhlenbrook Poster Description
12:45-13:15   Moderated discussion of presentations
13:15-16:00 LUNCH LUNCH (on your own) and Free Time for Discussions
16:00-18:00 BEER AND POSTERS FORMAL POSTER SESSION III
#1 Withdrawn Y Alila, J Beckers, A Mitraoui Science and Engineering Perspectives on Non-Linearity in Watershed Response
#2 Y Asano, T Uchida, N Ohte, M Tani The Limitations of Using Dissolved Silica for Evaluating Hydrological Flowpaths in Steep Unchannelled Hollow 
#3 R E Beighley, J M Melack, T Dunne, L Mertes Hydrologic Modeling for the Santa Barbara Coastal Long Term Ecological Research Project
#4 D Carriero, V Iacobellis, G Oliveto, N Romano Derived flood frequency analysis accounting for variability in hillslope processes
#5 J G Chanat, K C Rice, G M Hornberger Application of a Modified TOPMODEL to Simulate Episodic Patterns of Acid Neutralizing Capacity versus Stormflow in Three Headwater Catchments in Shenandoah National Park, Virginia
#6 S F Christopher, S Inamdar, M J Mitchell Spatial Pattern in Surface Water Chemistry in a Glaciated Catchment of the Adirondack Park, NY
#7 M H Cox, K E Bencala, G O Mendez Hyporheic Zones Influence Water Quality of the Santa Clara River, Los Angeles County, California
#8 M Fiorentino, V Iacobellis, V Telesca Field Experiments Aimed to the Analysis of Peak Runoff Contributing Area 
#9 R Freed, L Smith, D Bugai Seasonal Variation of Strontium-90 Transfer Between Wetland Pore Waters and Surface Waters, Chernobyl Exclusion Zone
#10 R Haggerty, M A Johnson, S M Wondzell Fractal Residence Time Distribution in the Hyporheic Zone of a 2nd-Order Mountain Stream: Implications for Scaling and Measurement of Hillslope Processes
#11 N S Hicks, J A Smith Determining Factors of Flood Response to Orographic Thunderstorms in the Central Appalachians
#12 L Holko, Z Kostka Runoff Generation in a Mountain Catchment - a Case Study in the Western Tatra Mountains, Slovakia
#13 S P Inamdar, S Christopher, M J Mitchell Spatial Pattern in Surface and Subsurface Water Chemistry: Investigating the Controls of Topography and Hydrologic Flow Paths
#14 A L James, N T Roulet The Hydrologic and Biogeochemical Response of a Forested Watershed: A Scale-Integrated Study
#15 P Kram Overview of the MAGIC Model Applications in 1985-2000
#16 H Laudon, K Bishop, R H Krouse Oxygen 18 fractionation during snow melt: Implications for spring flood hydrograph separation
#17 N L Law, L E Band, C Tague, S Kenworthy, K Belt, P Groffman, D E Tenenbaum Urban Hillslope and Watershed Dynamics -1 : Sources, Sinks and Pathways 
#18 B L McGlynn, J J McDonnell, C Kendall, R P Hooper The Effects of Catchment Scale and Landscape Organization on Streamflow Generation Processes
#19
Withdrawn
N E Peters, D A Burns, J Freer Hydrologic controls on streamwater chemistry in a forested piedmont watershed, Panola Mountain, Georgia, USA
#20
Withdrawn
J P Schubert Relative Contribution of Springs from Sedimentary Bedrock Units to the Overall Baseflow and Water Budget of Streams in the Appalachian Plateau
#21 S D Sebestyen, R L Schneider Integrating Lakeshore Seepage into Hillslope and Watershed Studies: Dynamic Temporal and Spatial Patterns of Nearshore Seepage Fluxes 
#22 C Soulsby, S Dunn, R Smart, J Dawson Integrating Hydrometric Studies, Tracers and Semi-distributed Modelling at Different Spatial Scales: Towards an Understanding of Runoff Generation at the Catchment Scale in the Scottish Highlands 
#23 M A Teymurov Changing Rivers Runoff Under Influence Soil-Geological Conditions and Gradient
#24 S Uhlenbrook, D Tetzlaff, J Lange Distributed Hydrograph Separation Using 18O in a Meso-Scale Catchment - Preliminary Results
#25 D L Welsch, D A Burns Influence of Topographic Position and Timber Harvest on So42- Retention at a Catskill Mountain (New York) Catchment
#26 S R Waichler, M S Wigmosta, B C Wemple Application of DHSVM to Simulate Forest Treatment Effects at the H.J. Andrews Experimental Forest 
  EVENING SESSION
Session Chair: David Tarboton, Utah State University
 
19:30-20:15 Marc Parlange, Johns Hopkins University Land-atmosphere coupling over complex hilly terrain: Case studies
20:15-21:30 Moderated Open Discussion Topics: 
  • Distributed vs. Lumped - which for where?
  • Should we abandon all particle tracking notions?
  • Uncertainty: something we need to deal with and use to guide
  • How to include ET in model outputs?

Friday, October 12

  SESSION 4
Chair: Scott Mackay, University of
Wisconsin-Madison
REPRESENTATION AND PARAMETERIZATION FOR LANDSCAPE TO REGIONAL SCALE MODELING
8:00-8:45 Ross Woods, National Institute for Water and Atmospheric Research, New Zealand MARVEX as a template for the future meso-scale work that explicitly focuses on hillslopes
8:45-9:30 Christina Tague, San Diego State University Scaling Hillslope Processes to First and Higher Order Drainage Basins: The
Need for a Modeling Framework that is Adaptive to Changing Controls on
Hydrological Processes
9:30-10:00 REFRESHMENT BREAK  
10:00-10:45 Siva Sivapalen, University of Western Australia, Australia Process complexity at hillslope scale, process simplicity at the watershed
scale: Is there a connection? 
10:45-11:30 Guenther Bloschl, Vienna Technical University, Austria Looking for scale-invariant processes: from point to meso-scale
11:30-12:00   Moderated discussion of presentations
12:00-12:30 PANEL REPORT
Moderated by Jeff McDonnell
A retrospective and prospective analysis of hillslope hydrology over the last three
decades and last five days. 

Panelists: 
   Keith Beven 
   Tom Dunne 
   Mike Kirkby 
   Siva Sivapalan

12:30-13:00 Jeff McDonnell, Oregon State University Moderated open discussions with Panelists and conference participants.
13:00 MEETING ADJOURNS  
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