GPR imaging of trafc compaction efects on soil structures

• Autorzy: Akinsunmade Akinniyi

Identyfikatory

DOI

10.1007/s11600-020-00530-0

• Języki publikacji: EN

Abstrakty

EN

Spatial and depth variability of soil characteristics greatly infuence its optimum utilization and management. Concealing nature of soil subsurface horizons has made the traditional soil investigations which rely on point information less reliable. In this study, an alternative use of ground penetrating radar (GPR)—a near-surface geophysical survey method—was tested to address the shortcomings. The focus of the study was on assessment of characteristics variability of soil layers at a test site and evaluation of efects of compaction caused by machinery trafcs on soil. GPR methods utilize electromagnetic energy in the frequency range of 10 MHz and 3.0 GHz. Fourteen profles GPR data were acquired at the test site-a farmland in Krakow, Poland. Compaction on parts of the soil was induced using tractor movements (simulating trafc efects) at difer ent passes. Data were processed using basic fltering algorithms and attributes computations executed in Refexw software. Attempt made in the study was on use of GPR geophysical technique for soil assessment. The method allows delineation of the soil horizons which depicts characteristic depth changes and spatial variability within the horizons. Moreover, trafc efects that caused compaction on parts of the soil horizons were discernable from the GPR profle sections. Thus, similar densifcation like hardpan that may develop in natural setting can be investigated using the method. The results have shown the suitability of the method for quick, noninvasive and continuous soil investigation that may also allow assessment of temporal soil changes via repeated measurement.

Słowa kluczowe

EN

soil horizon; geophysical method; compaction; GPR

PL

horyzont glebowy; metoda geofizyczna; zagęszczanie; GPR

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2021
• Tom: Vol. 69, no. 2
• Strony: 643--653
• Opis fizyczny: Bibliogr. 25 poz.

Twórcy

autor

Akinsunmade Akinniyi

• AGH University of Science and Technology, Mickiewicza 30 Ave, 30-059 Krakow, Poland

• https://orcid.org/0000-0002-1602-1741

Bibliografia

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