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Peat and Organic Soil Characterization During Seasonal Mobility Testing

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U.S. Army Engineer Research and Development Center, Cold Regions Research Laboratory Hanover United States

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Renewed interest in cross country mobility due to the current global political climate, as well as greater accessibility to northern regions due to climate change, has led to identification of deficiencies in current mobility modeling capabilities on peat and organic soils for both tracked and wheeled vehicles. As a result, field tests at two locations were initiated in the Winter of 2019 to quantify vehicle, soil, and other environmental characteristics. Measured parameters include, but are not limited to, soil moisture and temperature profiles from the surface to 50 cm depth full weather forcing variables snow depth soil characterization including grain size distribution, density, porosity, organic content, and inherent strength factors vegetation type and density including root structure soil strength vehicle traction, resistance, and sinkage. Tests are designed to capture seasonal conditions to include frozen soil, early thaw, and mid-summer. Preliminary analysis of the soil and environmental characteristics are presented in this paper.

Descriptive Note:

Technical Report

Supplementary Note:

Proceedings of the ISTVS 15th European-African Regional Conference, 09 Sep 2019, 11 Sep 2019,



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Approved For Public Release;

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