Christopher J. Stohr, Ph.D.

Phone: 217-244-2186 • Fax: 217-244-2785
E-mail: stohr@isgs.illinois.edu

Research Interests

• Quaternary Geology Staff Page
• Remote sensing/image interpretation
• Surveying and GPS technology
• Photogrammetry and LiDAR
• Quaternary geology of the Midwest
• Soil science and agronomy of dredge soil material

Current Projects

• Thermal infrared imagery for finding CO2 leakage in rowcrop fields
• Reflectorless total station surveying of inaccessible sections in pits and quarries
• Promoting improved well locations through GPS surveying
• Collecting borehole records from private industry and government agencies for geologic mapping and automated database updating
• Outreach and education on geologic mapping and groundwater issues

Selected Publications

Kemmis, T., E. Hajic, C. Stohr, A. Stumpf, S. Nelson, and J. Dexter, 2005. Stop 1-7 Midwest Materials Company Site, Lacon; Late Wisconsin Episode High Terrace Succession, Quaternary Deposits and History of the Ancient Mississippi River Valley, North-Central Illinois. Illinois State Geological Survey Open File Series 2005-7. 51^st Midwest Friends of the Pleistocene Field Trip, ISGS Centrnnial Field Trip, May 13-15, 2005. 101 pages.

Dixon-Warren, A. and C. Stohr, 2003, Downhole natural gamma-ray logging of Quaternary sediments: The Professional Geologist, v.40, no. 3, p. 2-5.

Stohr, C., 2001, Chapter 16. Engineering geology, natural hazards, and construction materials in Z. Lasemi and R.C. Berg, editors, Three-Dimensional Geologic Mapping: A Pilot Program for Resource and Environmental Assessment in the Villa Grove Quadrangle, Douglas County, Illinois: Illinois State Geological Survey Bulletin 106, Illinois State Geological Survey, Champaign, IL, p. 86-90.

Stohr, C., 2001, Misperceptions about GPS selective availability reduction and its impact on professional surveys: Illinois GIS Notes, v. 2, no.1, Illinois Geographical Informations Systems Association, p. 1-2.

Luman, D.E., C. Stohr, and L. Hunt. 1997. Digital Reproduction of historical aerial photographic prints for preserving a deteriorating archive: Photogrammetric Engineering and Remote Sensing, (Special Issue), v. 63, no. 10, p. 1171-1179.

Stohr, C.J., 1996, Classification of infiltration characteristics of depressions in landfill covers using uncalibrated, thermal-infrared imagery, Ph.D. Dissertation, Department of Agronomy, University of Illinois at Urbana-Champaign, 169 p.

Stohr, C., R.G. Darmody, T.D. Frank, A.P. Elhance, R. Lunetta, D. Worthy, and K. O'Connor-Shoresman, 1994, Classification of depressions in landfill covers using uncalibrated airborne thermal-infrared imagery: C. Stohr and R. Lunetta (editors), Special Issue on Remote Sensing in solid and Hazardous Waste Management, Photogrammetric Engineering and Remote Sensing, v. 60, no. 8, p. 1019-1028.

Ordering information for Illinois State Geological Survey Publications.