Estimation of Characteristic of the Soil Physical using the Pipe Type Soil Sampler

Ji Hyun  Ryu; Myung Kwan  Jung; Seung Ki  Park

doi:10.5389/KSAE.2020.62.1.095

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2020 Vol.62, Issue 1 Preview Page Next Page

Estimation of Characteristic of the Soil Physical using the Pipe Type Soil Sampler 원관형 토양샘플러를 이용한 토양물리특성 추정

2020. pp. 95-104

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Abstract

The purpose of this study is to develop a pipe type soil sampler that can easily collect soil cross section servey and soil samples to conduct ecological environment surveys while minimizing ecological disturbance in the area subject to soil survey.

Furthermore, this study develop the exponential type estimation specific weight formula (ESWF) that uses pipe type soil sampler to easily carry out soil cross section survey and soil sample while estimating the specific weight of the area using water content and soil sample length variation ratio (SLVRs) and to obtain apparent specific gravity, hardness, and max. porosity which are used as growth of corps and ecological environment index.

The calibration results of ESWF showed a high degree of significance, with NSE for actual specific weight () and calibration estimation specific weight () 0.95, R2 for 0.954, and RMSE for 0.051. The verification results of ESWF showed a high significance, with NSE for actual specific weight () and verification estimation specific weight () 0.881, R2 for 0.978, and RMSE for 0.055.

Keywords

Pipe type soil sampler

experimental soil column

specific weight

apparent specific gravity

hardness

soil sample length variation ratio (SLVR)

estimation specific weight formula (ESWF)

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Information

Publisher :The Korean Society of Agricultural Engineers
Publisher(Ko) :한국농공학회
Journal Title :Journal of Korean Society of Agricultural Engineers
Journal Title(Ko) :한국농공학회논문집
Volume : 62
No :1
Pages :95-104
Received Date : 2019-10-15
Revised Date : 2019-12-23
Accepted Date : 2019-12-26
DOI :https://doi.org/10.5389/KSAE.2020.62.1.095

Journal of Korean Society of Agricultural Engineers ISSN:1738-3692(Print) 2093-7709(Online) 한국농공학회논문집

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REFERENCE