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|Title:||Characterization of Magnetic Properties of Soil in Bosnia and Herzegovina for Demining|
|Authors:||LEWIS ADAM; SIROVYAK Wayne; DAS Yogadish; HANNAM Jacqueline|
|Other Contributors:||RUSSELL Kevin|
|Citation:||UXO/Countermine/Range Forum 2006, Supporting the War Fighter p. 153|
|Type:||Articles in periodicals and books|
|Abstract:||Soil magnetic susceptibility can adversely affect the performance of metal detectors which are the most commonly used tools in landmine detection. A knowledge of the spatial distribution of soil susceptibility for the landmine-affected regions of the world will thus be very useful in demining planning and equipment selection. Under the auspices of the International Test and Evaluation Program (ITEP) , a project was undertaken with the aim of producing a magnetic susceptibility map of Bosnia and Herzegovina (BiH). This region was chosen because of the availability, at the Agropedology Institute at Sarajevo, of some 3000 to 4000 previously collected soil survey samples along with detailed information on their attributes and large scale (1:50 000) digital soil maps. Under a contract from the Canadian Centre for Mine Action Technologies (CCMAT), the Agropedology Institute recovered, organized and geo-referenced 3005 surviving samples and entered their physical/chemical characteristics into a database using the standard Soil and Terrain Data (SOTER) format. From these 3005, 1000 samples representing the soils of the entire region were selected, through careful analysis, for measurement of their magnetic properties. With equipment (Bartington MS2) supplied by CCMAT and training provided by CCMAT and another ITEP partner, the Agropedology Institute measured the magnetic susceptibility of these samples at two frequencies (465Hz and 4.65kHz). Soils whose magnetic susceptibility falls with frequency are particularly problematic because they give signals in some metal detector circuits similar to those from eddy-currents in a metal object The above described physical and magnetic-susceptibility data have been assembled in a form that can be accessed using a Geographical Information System (GIS) software such as ArcGIS. The data have been already used by ITEP members to validate a soil susceptibility model and to produce magnetic susceptibility maps of BiH , which will aid equipment selection and planning of demining in that country. A process similar to the one followed in BiH could be repeated in other countries in order to achieve the goal of producing maps of electromagnetic properties of soils of all the landmine-affected regions of the world.|
|JRC Directorate:||Space, Security and Migration|
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