Morphological Karst Mapping in Ohio


  • Morphological Karst Mapping in Ohio
    April 16, 2020
    11:30 am - 1:30 pm

Ohio Geological Society

Lunch Symposium

Thursday, April 16, 2020
Lunch at 11:30, talk at 12:30 pm
Location: Hilton Doubletree, 175 Hutchinson Ave, Columbus Ohio 43235

Morphological Karst                Mapping in Ohio

by Mr. Douglas Aden, Division of Geological Survey
Ohio Department of Natural Resources

ABSTRACT: The Ohio Geological Survey has mapped karst in Ohio since 2009. Field mapping of sinkholes has suggested that geomorphological parameters vary between the Bellevue, Delaware, Hillsboro, and Springfield karst regions. Statistical tests confirm that these parameters distinguish the four regions. An understanding of how they differ and what causes those differences can be used to better manage these karst features. Differences between sinkholes within each region were quantified using nine parameters derived from digital elevation model (DEM) analysis. These parameters included: depth, perimeter, area, volume, length of major and minor axes, eccentricity, circularity index, and orientation of karst features. Improved knowledge of the differences between these regions will assist in mitigating and avoiding these geologic hazards.

Mr. Aden studied Environmental Geology (BS) and Planetary Geology (MS) at Ohio University from 2004- 2010. Since 2010 he has been working for the Ohio Department of Natural Resources, Division of Geological Survey, Mapping Group. He has spent the last 9 years mapping sinkholes and glacial deposits in Ohio. He has visited over 7000 sinkholes in Ohio.

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Venue:  

Address:
175 Hutchinson Avenue, Columbus, Ohio, 43235, United States

Description:

175 Hutchinson Avenue
Columbus, OH 43235

USA
T: +1-614-885-3334