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Research ArticleResearch Section

An improved excavation method for measuring bulk density of rocky soil using terrestrial LiDAR

V. Polyakov, M. Nearing, M.H. Nichols and M. Cavanaugh
Journal of Soil and Water Conservation May 2019, 74 (3) 319-322; DOI: https://doi.org/10.2489/jswc.74.3.319
V. Polyakov
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M. Nearing
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M.H. Nichols
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M. Cavanaugh
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Abstract

A new excavation method to estimate soil bulk density of rocky soil is presented. The method utilizes soil surface scanning with terrestrial Light Detection and Ranging (LiDAR). It allows measurement of several comparatively large volume samples at the same time. The experimental procedure also eliminates the need for scan reference points. All this contributes to low variability of measurements and decreases time in the field. The average bulk density of Luckyhill very gravely sandy loam from southern Arizona was 1.48 g cm−3 with standard deviation of 5.4% using LiDAR-measured volume, while a conventional excavation method yielded an average bulk density of 1.45 g cm−3 with standard deviation of 10.3%.

  • © 2019 by the Soil and Water Conservation Society

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Journal of Soil and Water Conservation: 74 (3)
Journal of Soil and Water Conservation
Vol. 74, Issue 3
May/June 2019
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An improved excavation method for measuring bulk density of rocky soil using terrestrial LiDAR
V. Polyakov, M. Nearing, M.H. Nichols, M. Cavanaugh
Journal of Soil and Water Conservation May 2019, 74 (3) 319-322; DOI: 10.2489/jswc.74.3.319

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An improved excavation method for measuring bulk density of rocky soil using terrestrial LiDAR
V. Polyakov, M. Nearing, M.H. Nichols, M. Cavanaugh
Journal of Soil and Water Conservation May 2019, 74 (3) 319-322; DOI: 10.2489/jswc.74.3.319
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