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Tuesday Wednesday
Thursday Friday |
Preferential
Flow Symposium Program Overview |
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| Tuesday
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January 2 |
| 5:00 p.m.-8:00 p.m. |
REGISTRATION |
| Wednesday
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January 3 |
| 8:00 a.m.-8:05 a.m. |
WELCOME Adel Shirmohammadi, University of
Maryland, College Park, MD |
| 8:05 a.m.-8:45 a.m. |
KEYNOTE Dr. John Nieber,
University of Minnesota, St. Paul, MN
"The Relation of Preferential Flow to Water Quality, and its Theoretical
and Experimental Quantification" |
| 8:45 a.m.-10:05 a.m. |
SESSION 1:
Significance and Role on Water Quality Chairman: David Bosch, USDA-ARS, Tifton, GA
The Preferential Flow Syndrome - A Buzzword or a
Scientific Problem
Hannes Fluhler, Institute of Terrestrial Ecology, Schlieren, Switzerland (C. Stramm, U. Zimmermann, M. Bundt, N. Ursino)
Factors Affecting the Significance of Macropore Flow for
Leaching of Agrochemicals
Lars F. Bergtrom, Swedish University of Agricultural Sciences, Uppsala, Sweden (N.J. Jarvis, M.H. Larsson, F. Djodjic, A.
Shirmohammadi)
Role and Significance of Preferential Flow for Contaminant
Transport Through the Integrated Soil Groundwater System
Eva Simic, Royal Institute of Technology, Stockholm, Sweden (G. Destouni)
Preferential Flow Paths: Biological "Hot Spots" in Soils
Maya Bundt, Swiss Fed. Ist. Forrest, Snow and Landscape Res., Birmensdorf Switzerland (F. Widmer, M. Pesaro, J. Zeyer, P. Blaser) |
| 10:05 a.m.-10:20 a.m. |
BREAK |
| 10:20 a.m. 12 Noon |
SESSION 2:
Effects of Physical and Chemical Processes I Chairman: Ronald Yoder, University of Tennessee,
Knoxville, TN
Preferential Flow in Macroporous Soils
Markus Tuller, Utah State University, Logan, UT (D. Or)
Scaling of Saturated Hydraulic Conductivity and Dye-Stained
Pathways
Daniel Gimenez, Rutgers, The State University of New Jersey, New Brunswick, NJ (A. Posadas)
Effects of Chemical Reaction Variability in Preferential
Flow
Chittaranjan Ray, University of Hawaii at Manoa, Honolulu, HI (C. Ray)
Groundwater Recharge During Spring Thaw in the Prairie
Pothole Region via Large
Unfrozen Preferential Pathways
Brenton S. Sharratt, USDA-ARS, Morris, MN (G.C.
McIntosh)
Impact of Preferential Flow Pathways on Ability of Riparian
Wetlands to Mitigate
Agricultural Pollutants
Gregory W. McCarty, USDA-ARS, Beltsville, MD (J.
Angier) |
| 12 Noon-1:15 p.m. |
LUNCH (on your own) |
| 1:15 p.m.-2:55 p.m. |
SESSION 3:
Affects of Physical and Chemical Processes II Chairman: John Parsons, North Carolina State
University, Raleigh, NC
Effect of Crack Volume on Surface Runoff in a
Texas Blackland Prairie Watershed
Jeffrey G. Arnold, USDA-ARS, Temple, TX (K.
Potter, P.M. Allen, K.W. King)
Preferential Flow Caused by Past Disturbance in a Restored
Riparian Wetland
George Vellidis, University of Georgia, Tifton, GA (R. Lowrance, P. Gay)
Field-scale Preferential Flow at Textural Discontinuities
Ronald E. Yoder, The University of Tennessee, Knoxville, TN (J.T. Ammons, R.S. Freeland, D.C. Yoder)
Vadose Zone Clay Lense Impacts on Groundwater Loading Rates
David D. Bosch, USDA-ARS, Tifton, GA (C.C.
Truman, F.M. Davis)
Landscape Position and Soil Profile Heterogeneity Affects
on Solute Transport
Jeffery S. Strock, University of Minnesota, Lamberton. MN |
| 2:55 p.m.-3:15 p.m. |
BREAK |
| 3:15 p.m.-5:00 p.m. |
SESSION 4:
Measurement and Quantification I Chairman: Walter Rawls, USDA-ARS, Beltsville, MD
Measurement, Quantification, and Modeling of
Preferential Flow Under Controlled
Conditions
Binayak P. Mohanty, USDA-ARS, Riverside, CA (P.
Castiglione, P. Shouse, R. van Genuchten)
The Pore Distribution Features and the Preferential Flow of
the Loess in China
Jianfeng Zhang, Xi’an University of Technology, Xi’an, Shaanxi, China (W. Wang, Q. Wang, X. Ling)
Wetting Patterns and Preferential Flow in Soils
Louis W. Dekker, Alterra, Green World Research, Wageningen, Netherlands (C. J. Ritsema, K. Oostindie)
Temporal Dynamics of Preferential Flow to a Subsurface
Drain
Dan B. Jaynes, USDA-ARS, Ames, IA (S.
Kung, J. Ahmed, R. Kanwar)
Field and Laboratory Setup to Determine Preferential Flow
in Volcanic Soils
Carlos M. Ragalado, Instituto Canario de Investigaciones Agrarias, Tenerife (R. Munoz-Carpena, J. Alvarez-Benedi, A.R. Socorro) |
| 5:30 p.m.-7:00 p.m. |
RECEPTION |
| Thursday
|
January 4 |
| 8:00 a.m.-8:40 a.m. |
KEYNOTE Dr. Peter Germann, University of Bern, Bern, Switzerland
"Preferential Flow in Field Soils: In-Situ Assessment and Management
Implications" |
| 8:40 a.m.-10:00 a.m. |
SESSION 5:
Measurement and Quantification II Chairman: Lars Bergstrom, Swedish University of Agricultural Sciences,
Uppsala, Sweden
Estimating Preferential Infiltration and
Redistribution From Real-time Measurements of Soil
Water Content
James L. Starr, USDA-ARS, Beltsville, MD (D.J.
Timlin)
Using the Chloride Mass Balance Technique to Quantify
Preferential Flow at the Field,
Core, and Pore Scale
John S. Tyner, Oklahoma State University, Stillwater, OK (G.O. Brown, D. Huntley)
Measurement of Soil Hydraulic and Chemical Transport
Properties
Robert Horton. Iowa State University, Ames, IA (S.A. Al-Jabri, D.B. Jaynes)
A Two-Domain Approach to Model Solute Transport in an
Undisturbed Soil Column Using
X-Ray CAT Scanning
Shiv Prasher, McGill University, Quebec, Canada (J. Perret, A. Kantzas, C. Langford) |
| 10:00 a.m.-10:20 a.m. |
BREAK |
| 10:20 a.m.-12 Noon |
SESSION 6:
Modeling I Chairman: Glenn Brown,
Oklahoma State University, Stillwater, OK
Model Interpretation of Local and Field-Scale
Pesticide Transport Through Preferential Flow Paths
Bernd Lennartz, University Rostock, Rostock, Germany (E. Simic, B. Lennartz, G. Destouni)
Computer Simulation of Preferential Flow in Volcanic Soils
with the W AVE Model
Rafael Munoz-Carpena, Instituto Canario de Investigaciones Agrarias, Tenerife (J.E. Parsons, C.M. Regalado, J. Alvarez-Benedi)
Simulating Scale-Dependent Solute Dispersion in Soils with
the Fractional
Convective-Dispersive Equation
Yakov Pachepsky, USDA-ARS, Beltsville, MD (W.J.
Rawls)
Modeling Cumulative Infiltration into Cracking Soils
Matt Romkens, USDA-ARS, Oxford, MS (S.N.
Prasad, R.R. Wells)
An Improved Darcy's Model of Soil Water Movement with
Preferential Paths
Wang Zhi-Rong, Soil Academician of China, Xi'an, China (W. Y. Wang) |
| 12 Noon- 1:30 p.m. |
GROUP LUNCHEON |
| 1:30 p.m.-3:10 p.m. |
SESSION 7:
Modeling II Chairman:
Shiv Prasher, McGill University, Quebec, Canada
Preferential Flow in Water Repellent Sandy
Soils: Principles and Modeling Approaches
Coen J. Ritsema, Alterra, Green World Research, Wageningen, Netherlands (J.L. Nieber, T.S.
Steenhuis, L.W. Dekker, J.C. van Dam)
Modeling Macropore Transport of Agricultural Chemicals
Clyde L. Munster, Texas A&M University, College Station, TX (K.B. Chakka)
Observations and General Theory for Preferential Flow in
Unsaturated Soils
Tammo S. Steenhuis, Cornell University, Ithaca, NY (J.-Y. Parlange, M.S. Akhtar, Y.-J. Kim, T.W.J.
Bauters, C.J.G. Darnault, D.A. DiCarlo, J.L. Nieber, C.J. Ritsema, L.W. Dekker, K.S. Kung)
First-order Modeling of Conductivity Decay
During Lateral Redistribution in a Stochastic
Soil
Hubert J. Montas, University of Maryland, College Park, MD (A. Shirmohammadi)
Measuring and Modeling Solute Transport through the Root
Zone at the Ohio Management
Systems Evaluation Areas Project
Andy D. Ward, The Ohio State University, Columbus, OH (S. Workman, J. Wu, N. Fausey, S. Bair, E.
Desmond) |
| 3:10 p.m.-5:00 p.m.
|
SESSION 8:
Poster Session - Authors will be with posters (POSTERS WILL BE UP ALL DAY)
Chairman: Andy Ward, Ohio State University,
Columbus, OH
| Poster |
EFFECTS OF PHYSICAL AND CHEMICAL PROCESSES |
1 |
The Causes of Spatial and Temporal Changes in the Nitrate Concentrations in an
Unconfined Aquifer
Andy D. Ward, The Ohio State University, Columbus, OH (E. Desmond, S. Bair, N. Fausey, S. Workman) |
2 |
Dynamics of Infiltration Under Various Head Conditions in Physical Soil Models
Hubert J. Montas, University of Maryland, College Park, MD (D. Danzy, A. Shirmohammadi) |
3 |
Fluid Movement and Chemical Transport from Animal Waste Storages
Terry A. Fonstad, University of Saskatchewan, Saskatoon, Canada (S.L. Babour, R. Donahue, L. Ingram) |
4 |
Preferential Flow and Transport Experiments in Large Undisturbed Soil Monoliths
from the Vadose Zone of Cracked Volcanic Soils
Carlos M. Regalado, Instituto Canario de Investigaciones Agrarias, Spain (J. Alvarez-Benedi, R. Munoz-Carpena, J.E. Parsons) |
5 |
Influence of Preferential Flow on Surface Runoff Fluxes
Timothy J. Gish, USDA-ARS, Beltsville, MD (W.P.
Dulaney, C.S.T. Daughtry, K.S. Kung) |
6 |
The Use of Remote Sensing Techniques to Determine the Impact of Preferential
Flow on Corn Yields
Wayne P. Dulaney, USDA-ARS, Beltsville, MD (C.S.T.
Daughtry, C.L. Wathall, T.J. Gish) |
7 |
Critical Zones in Geological Environment and Their Role in Groundwater
Contamination
Vyacheslav M. Shestopalov, National Academy of Sciences of Ukraine, Kyiv, Ukraine (V.N. Bublias, A.S. Bohuslavsky) |
8 |
Influence of Geology on Survial and Transport of Coliform Bacteria in
Groundwater
Neal Farmer, National Park Service, Hagerman, ID (J.A.
Entry) |
9 |
Over Winter Stability of Macropores in the Northern United States Corn Belt
Gordon C. McIntosh, University of Minnesota, Morris, MN (G.C. McIntosh, B.S. Sharratt) |
| Poster |
MEASUREMENT
AND QUANTIFICATION |
| 10 |
Design of a Monitoring System for Earthen Manure Storages
Terry A. Fonstad, University of Saskatchewan, Saskatoon, Canada (C.P. Maule, L. Ingram) |
| 11 |
The Application of Sand Layer Resistance to Water and Infiltration Reduction
to
Collapse-Prevention Technology in Residential Cave-Dwellings
Wenyan Wang, Xi'an University of Technology, Xi'an, Shaanxi, China (J. Zhang, Q. Wang, Z. Wang) |
| 12 |
Evaluation of Field Methods to Estimate the Amount of Macropores
Walter J. Rawls, USDA-ARS, Beltsville, MD (Y.
Pachepsky, H. Linn) |
| 13 |
Experimental Measurement of Macropore Flow in a Silt-Loam Soil
Glenn O. Brown, Oklahoma State University, Stillwater, OK (H.T. Hsieh, J. Kimzey) |
| Poster |
MODELING |
| 14 |
Multidimensional Flow and Transport in a Drained, Dual-Porosity Soil
Ge A.P.H. VanDen Eertwegh, Hoogheemraadschap van Rijnland, Leiden, Netherlands
(J.L. Nieber, R.A. Feddes) |
| 15 |
Modified Philip's Cumulative Infiltration Equation for Cracked Soil
Remegio B. Confesor, Jr., The Pennsylvania State University, University Park, PA (T. P.
Tuong) |
| 16 |
Modeling and Characterization of Preferential Flow Dynamics
Adolfo Posadas, Rutgers, The State University of New Jersey, New Brunswick, NJ
(S. Crestana, D. Gimenez, N. Onody, A. Tanus, H.
Panepucci) |
| 17 |
Deterministic and Stochastic Prediction of Atrazine Transport in Soils
Displaying
Macrore Flow
Adel Shirmohammadi, University of Maryland, College Park, MD (H. Montas,
L. Bergstrom, K. Coyne, S. Wei, T.J. Gish) |
| 18 |
The Estimation Method for the Water-Entry Suction for Layered Soils
Quanjiu Wang, Xi'an University of Technology, Xi'an, Shaanxi, China (W. Wang) |
| 19 |
In situ Measurement
of Reduction Potential Beneath Earthen Waste Storage
Facilities
Steve Gibbard, University of Saskatchewan, Saskatoon, Canada (H. Filson) |
| 20 |
Three-Dimensional Rainfall Infiltration Process in Heterogeneous Soil
Zhou Qi You, Tono Geoscience Center, Toki-shi, Gihu-ken, Japan (J. Shimada, A. Sato,
H. Matsui) |
| 21 |
Modeling Cumulative Infiltration into Cracking Soils
Matt Romkens, USDA-ARS, Oxford, MS (S.N. Prasad,
R.R. Wells) |
| 22 |
Modified Philip’s Cumulative Infiltration Equation for Cracked Soils
Remegio B. Confesor, Jr., Pennsylvania State University, University Park, PA (T.P. Tuong) |
| Poster |
MANAGEMENT
EFFECTS |
| 23 |
Preferential Flow in a Clayey Coastal Plain Soil as Affected by Tillage Robert
K. Hubbard, USDA-ARS, Tifton, GA (R.R. Lowrance,
R.G. Williams) |
| 24 |
Effect of Eastern Gamagrass on Infiltration Rate and Soil Physical and
Hydraulic Properties
Christopher L. Perrygo, University of Maryland, College Park, MD
(A. Shirmohammadi, J.C. Ritchie, W.J. Rawls) |
| 25 |
Effects of Poultry Manure Application on Subsurface Drainage Water Quality
Adion J. Chinkuyu, Iowa State University, Ames, IA (R.S.
Kanwar, J.C. Lorimor, H. Xin) |
| 26 |
Use of Dye Infiltration Experiments to Describe the Variation in Atrazine
Distribution in the Upper Soil Layer of a No-Till Field
Susan K. Neurath, University of Maryland, College Park, MD (A. Shirmohammadi,
A.M. Sadeghi, A. Isensee, A. Tor rents) |
| 27 |
Vegetative Buffer Strips in a Mediterranean Climate: the Potential for
Protecting Soil Resources
Felicia A. Rein, Santa Cruz, CA |
| 28 |
The Efficacy of Polyacrylamide (PAM), PAM+Al(SO4)3, and PAM+CaO to Filter
Microorganisms and Nutrients from Animal Wastewater
James A. Entry, USDA-ARS, Kimberly, ID (R.E.
Sojka) |
| 29 |
Iron Levels on Wells, Its Effects and Management on Drip Irrigation Systems
Alejandro A. Pannunzio, University of Buenos Aires, Buenos Aires, Argentina
(G. Miguel, P. Eduardo, C. Guillermo) |
| 30 |
Scaling in Water Flows Through a Nested Watershed Scheme Under a
Mediterranean Mountainous Environment
Rosa M. Poch, Universitat de Lleida, Lleida, Spain (R.J. Batalla) |
| 31 |
Preferential Flow Effects on NO3-N Losses with Tile Flow
Allah Bakhsh, Iowa State University, Ames, IA (R.S.
Kanwar, D.L. Karlen,
C. Cambardella, T.S. Colvin) |
| 32 |
Sprinkler Droplet Energy Effects on Infiltration and Near-Surface, Unsaturated
Hydraulic Conductivity
Gary A. Lehrsch, USDA-ARS, Kimberly, ID (D.C.
Kincaid) |
| 33 |
Preferential Flow Control: Key to Sustainable Land Management
Robert M. Dixon, The Imprinting Foundation, Tucson, AZ (A.B. Carr) |
34 |
Managing Water with High Concentration of Sediments for Drip Irrigation
Purposes
Alejandro A. Pannunzio, University of Buenos Aires, Buenos Aires, Argentina
(P. Eduardo) |
|
| Friday
|
January 5 |
| 8:00 a.m.-9:40 a.m. |
SESSION 9:
Management Effects I
Chairman: Adel Shirmohammadi, University of
Maryland, College Park, MD
Managerial Impacts on Preferential Fluid Dynamics
Timothy J. Gish, USDA-ARS, Beltsville, MD (K.S.
Kung, E.J. Kladivko, D. Janes, A. Shirmohammadi)
Influence of Earthworm Species and Residue Placement on
Preferential Transport of Water and Solute in Soils
Satish C. Gupta, University of Minnesota, St. Paul, MN (J.F. Moncrief, E.C. Berry, A. Bhattacharjee)
Deep Percolation and Preferential Flow under Conventionally
and PAM-treated Irrigation Fur rows
Rick D. Lentz, USDA-ARS, Kimberly, ID (D.T.
Weestermann, D.C. Kincaid, A.C. Koehn)
Effects of Tillage and P Fertilizer Incorporation on P Losses Caused by Preferential
Flow
Faruk Djodjic, Swedish University of Agricultural Sciences, Uppsala, Sweden
(L. Bergstrom, B. Ulen, A. Shirmohammadi)
Preferential Flow and Its Effects on Nitrate and Herbicide Leaching to Groundwater
Under Various Tillage and Cropping Systems
Ramesh S. Kanwar, Iowa State University, Ames, IA |
| 9:40 a.m.-10:00 a.m. |
BREAK |
| 10:00 a.m.-11:40 a.m. |
SESSION 10:
Management Effects II Chairman:
George Vellidis, University of Georgia, Athens, GA
Quantifying Diffuse Agricultural Phosphorus
Transfers Along Hydrological Pathways from Field Scale Studies
Andrew Fraser, Soil Survey & Land Research Center, Okehampton, United Kingdom
Finger Formation and Its Relation to Lateral Flow in the Induction Zone
Gerrit de Rooij, Wageningen University, Wageningen, Netherlands (H. Cho, M. Inou, N. Toride)
Measurement of Bypass Flow in Structured Clay Soils
Harry Booltink, Wageningen University, Wageningen, Netherlands (G. Crescimanno, G. Proven, J. Bouma)
Traditional and New Methods to Describe Multimodal Soil
Water Characteristics
Ferdinand J. Kastanek, University of Agricultural Sciences, Vienna, Austria (F.J. Kastanek)
Modeling Soil Heterogeneity, Spatial Variability of Soil Properties and Transient Flow:
a Stochastic Finite Element Approach
Kamyar Haghighi, Purdue University, West Lafayette, IN (C.G. Aguirre, A. Shirmohammadi, H. Montas, A. Madani) |
| 11:40 a.m.-12 Noon |
CLOSURE Adel
Shirmohammadi, Univ of Maryland, College Park, MD |
| 12 Noon-5:00 p.m. |
Field Tour of the Island of Oahu |
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