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Identifying soil patterns at different spatial scales with a multi-receiver EMI sensor

Timothy Saey (UGent) , Philippe De Smedt (UGent) , Wim De Clercq (UGent) , Eef Meerschman (UGent) , Mohammad Monirul Islam (UGent) and Marc Van Meirvenne (UGent)
Author
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Abstract
Multi-receiver electromagnetic induction (EMI) sensors are increasingly being used to map soil spatial variability by measuring the apparent electrical conductivity (ECa) of multiple soil volumes. We present a procedure to process such measurements to identify both large-scale soil variability patterns and small-scale features such as archaeological traces. A 2.6-ha arable field in Belgium was selected since aerial surveys indicated the presence of fine archaeological traces being masked partly by what appeared to be a trend in the soil composition. A survey with a DUALEM-21S EMI sensor provided four co-located ECa measurements of varying soil volumes, which were combined in a two-step inversion procedure. Our procedure enhanced the distinction between the archaeological traces and probable ice-wedge casts, with a small lateral and vertical extent, and the large-scale trend of natural soil variability, identified as the varying depth to the interface between two contrasting soil layers.
Keywords
APPARENT ELECTRICAL-CONDUCTIVITY, ELECTROMAGNETIC INDUCTION MEASUREMENTS, DEPTH RELATIONS, PROFILES, INVERSION, NUMBER, WATER, FIELD

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Chicago
Saey, Timothy, Philippe De Smedt, Wim De Clercq, Eef Meerschman, Mohammad Monirul Islam, and Marc Van Meirvenne. 2013. “Identifying Soil Patterns at Different Spatial Scales with a Multi-receiver EMI Sensor.” Soil Science Society of America Journal 77 (2): 382–390.
APA
Saey, T., De Smedt, P., De Clercq, W., Meerschman, E., Islam, M. M., & Van Meirvenne, M. (2013). Identifying soil patterns at different spatial scales with a multi-receiver EMI sensor. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL, 77(2), 382–390.
Vancouver
1.
Saey T, De Smedt P, De Clercq W, Meerschman E, Islam MM, Van Meirvenne M. Identifying soil patterns at different spatial scales with a multi-receiver EMI sensor. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. 2013;77(2):382–90.
MLA
Saey, Timothy, Philippe De Smedt, Wim De Clercq, et al. “Identifying Soil Patterns at Different Spatial Scales with a Multi-receiver EMI Sensor.” SOIL SCIENCE SOCIETY OF AMERICA JOURNAL 77.2 (2013): 382–390. Print.
@article{3196739,
  abstract     = {Multi-receiver electromagnetic induction (EMI) sensors are increasingly being used to map soil spatial variability by measuring the apparent electrical conductivity (ECa) of multiple soil volumes. We present a procedure to process such measurements to identify both large-scale soil variability patterns and small-scale features such as archaeological traces. A 2.6-ha arable field in Belgium was selected since aerial surveys indicated the presence of fine archaeological traces being masked partly by what appeared to be a trend in the soil composition. A survey with a DUALEM-21S EMI sensor provided four co-located ECa measurements of varying soil volumes, which were combined in a two-step inversion procedure. Our procedure enhanced the distinction between the archaeological traces and probable ice-wedge casts, with a small lateral and vertical extent, and the large-scale trend of natural soil variability, identified as the varying depth to the interface between two contrasting soil layers.},
  author       = {Saey, Timothy and De Smedt, Philippe and De Clercq, Wim and Meerschman, Eef and Islam, Mohammad Monirul and Van Meirvenne, Marc},
  issn         = {0361-5995},
  journal      = {SOIL SCIENCE SOCIETY OF AMERICA JOURNAL},
  keyword      = {APPARENT ELECTRICAL-CONDUCTIVITY,ELECTROMAGNETIC INDUCTION MEASUREMENTS,DEPTH RELATIONS,PROFILES,INVERSION,NUMBER,WATER,FIELD},
  language     = {eng},
  number       = {2},
  pages        = {382--390},
  title        = {Identifying soil patterns at different spatial scales with a multi-receiver EMI sensor},
  url          = {http://dx.doi.org/10.2136/sssaj2012.0276},
  volume       = {77},
  year         = {2013},
}

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