Predictive Soil Provenancing (PSP): An Innovative Forensic Soil Provenance Analysis Tool
Soil is a common evidence type used in forensic and intelligence operations. Where soil composition databases are lacking or inadequate, we propose to use publicly available soil attribute rasters to reduce forensic search areas. Soil attribute rasters, which have recently become widely available at high spatial resolutions, typically three arc-seconds (~90 m), are predictive models of the distribution of soil properties (with confidence limits) derived from data mining the inter-relationships between these properties and several environmental covariates. Each soil attribute raster is searched for pixels that satisfy the compositional conditions of the evidentiary soil sample (target value ± confidence limits). We show through an example that the search area for an evidentiary soil sample can be reduced to <10% of the original investigation area. This Predictive Soil Provenancing (PSP) approach is a transparent, reproducible and objective method of efficiently and effectively reducing the likely provenance area of forensic soil samples.
<b>Citation:</b> de Caritat, P., Simpson, T. and Woods, B. (2019), Predictive Soil Provenancing (PSP): An Innovative Forensic Soil Provenance Analysis Tool. <i>J Forensic Sci</i>, 64: 1359-1369. https://doi.org/10.1111/1556-4029.14060
Simple
Identification info
- Date (Creation)
- 2019-04-01
- Date (Publication)
- 2021-04-16
- Date (Revision)
- 2023-10-26T22:15:27
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- Geoscience Australia Persistent Identifier/https://pid.geoscience.gov.au/dataset/ga/128480
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Role Organisation / Individual Name Details Author de Caritat, P.
Author Simpson, T.
Author Woods, B.
Publisher Elsevier B.V.
External Contact
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Journal of Forensic Sciences
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Volume 65, Number 5, September 2019
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1359 - 1369
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Scientific Communication
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Role Organisation / Individual Name Details Point of contact Commonwealth of Australia (Geoscience Australia)
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EARTH SCIENCES
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Forensic science
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- Keywords
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soil forensics
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- Keywords
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soil attribute grid
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Geographic Information System
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raster operation
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search area
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Creative Commons Attribution 4.0 International Licence
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©2019 Commonwealth of Australia
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Article submitted to Journal of Forensic Sciences
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Australian Government Security Classification System
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AU/NZS ISO 19115-1:2014
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ISO 19115-1:2014
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ISO 19115-3
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