Session: Quantifying and Modeling Soil Structure Dynamics

Monday, November 2, 2009: 12:55 PM-2:45 PM

Convention Center, Room 411, Fourth Floor

Presidings:

Sally Logsdon and Rainer Horn

Organizers:

Teamrat Ghezzehei , Sally Logsdon , Rainer Horn and Markus Berli

12:55 PM

Introductory Remarks

1:00 PM

Quantifying Physical Properties That Underlie Soil Structure Dynamics: Case Studies On the Impacts of Roots and Biota.
Paul Hallett, Scottish Crop Res. Inst.; Pierre Barre, INRA Grignon; Sonja Schmidt, Scottish Crop Res. Inst.; Shuichiro Yoshida, Natl. Agriculture and Food Res. Organization; Bin Zhang, Inst. of Soil Sci., Chinese Academy of Sciences

Audio File

1:20 PM

On the Origin of Structure by Means of Pedology.
Janis Boettinger, Utah State Univ.

Audio File

1:40 PM

Incorporating Physicochemical Protection by the Soil Matrix Into Biogeochemical Models.
Johan Six, Univ. of California, Davis; Steven DE Gryze, Univ. of California, Davis; Fugen Dou, Univ. of California, Davis; Keith Paustian, Colorado State Univ.; Gabe Olchin, Colorado State Univ.; Mac Post, Oak Ridge National Lab.

2:00 PM

Dynamics of Soil Pore Networks Investigated by X-Ray Microtomography.
Stephan Peth, Christian-Albrechts-Univ.; Jens Nellesen, Univ. of Dortmund; Felix Beckmann, GKSS Res. Centre; Rainer Horn, Christian-Albrechts-Univ.

2:15 PM

Excluded-Volume Expansions of Archie's Law for Gas and Solute Diffusivities and Electrical and Thermal Conductivities in Variably-Saturated Porous Media.
Shoichiro Hamamoto, Saitama Univ.; Per Moldrup, Aalborg Univ.; Ken Kawamoto, JAPAN, Saitama Univ.; Toshiko Komatsu, Saitama Univ.

Audio File

2:30 PM

Multifractal Characterization of Soil Pore Shapes in Aggregates.
Daniel Gimenez, Rutgers State Univ.; Adolfo Posadas, Intl. Potato Center and CNPDIA/EMBRAPA; Thais L. Ohashi, Universidade Federal de São Carlos

2:45 PM

Adjourn

<< Previous Session | Next Session >>