105 Symposium--Scaling Soil Information: Linking Pedogenic Processes, Soil Variability and Ecosystem Function: I

Oral Session
S05 Pedology
The foundation of pedology is rooted in understanding soil processes which are by nature scale dependent. Pedologic conceptual models have been used for over a hundred years and range from micron, pedon, regional, state, national and global scales. Digital data such as digital elevation models and SSURGO using GIS and digital mapping provide new tools to evaluate soil spatial relationships at multiple scales. Scientists such as engineers, hydrologists, biologists and ecologists are beginning to use soil information to determine the functional homogeneity rather than the structural heterogeneity to address specific questions. Digital data illustrating soil variability along a continuum rather than discreet boundaries are more useful in many models and may provide more information about landscapes that is currently available in the soil survey. The purpose of this symposium is to illustrate the methods used for scaling soil information, critical issues addressed with scalable soil information, and potential for future work for scaling applications.


Monday, November 2, 2009: 1:25 PM-3:45 PM
Convention Center, Room 403-404, Fourth Floor

Phillip Owens
Phillip Owens and David Hammer
3:45 PM
1:25 PM
Introductory Remarks
1:30 PM
Interpolating Soil Organic Matter Content at the Regional Scale Using Regression Kriging.
Yong Li, MSLE, The Univ. of Melbourne; Deli Chen, MSLE, The Univ. of Melbourne
1:50 PM
Predictive Soil Mapping in Southern Arizona.
Matthew Levi, Univ. of Arizona; Craig Rasmussen, Univ. of Arizona; Nathan Starman, USDA-NRCS
2:10 PM
Scaling Soil Survey Data in the Sierra Foothills for Detailed Soil Resource Inventory, Mapping, and Interpretation.
Dylan Beaudette, Univ. of California, Davis; Anthony O'Geen, Univ. of California
2:30 PM
2:45 PM
Quantifying Soil-Landscape Relationships to Create Functional Maps and Methods for Scaling Soil Data.
Phillip Owens, Purdue Univ., Agronomy Dep.; Zamir Libohova, Purdue Univ.; Hans Winzeler, Purdue Univ.; Jon Hempel, Natl. Geospatial Development Center
3:05 PM
The Roles of Soil Science in Global Climate Change Mitigation and Evaluation of Ecosystem Services.
Richard Hammer, U.S. EPA; Larry West, USDA-NRCS; Mark Johnson, U.S. EPA; Cynthia Stiles, USDA-NRCS
3:25 PM
Seleted Benchmark Soils Classified in the WRB.
Erika Micheli, Szent Istvan Univ.; Marta Fuchs, Szent Istvan Univ.; William McFee, Purdue Univ.
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