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RSS FeedsRemote Sensing, Vol. 11, Pages 141: Nonintrusive Depth Estimation of Buried Radioactive Wastes Using Ground Penetrating Radar and a Gamma Ray Detector (Remote Sensing)

 
 

14 january 2019 02:01:35

 
Remote Sensing, Vol. 11, Pages 141: Nonintrusive Depth Estimation of Buried Radioactive Wastes Using Ground Penetrating Radar and a Gamma Ray Detector (Remote Sensing)
 




This study reports on the combination of data from a ground penetrating radar (GPR) and a gamma ray detector for nonintrusive depth estimation of buried radioactive sources. The use of the GPR was to enable the estimation of the material density required for the calculation of the depth of the source from the radiation data. Four different models for bulk density estimation were analysed using three materials, namely: sand, gravel and soil. The results showed that the GPR was able to estimate the bulk density of the three materials with an average error of 4.5%. The density estimates were then used together with gamma ray measurements to successfully estimate the depth of a 658 kBq ceasium-137 radioactive source buried in each of the three materials investigated. However, a linear correction factor needs to be applied to the depth estimates due to the deviation of the estimated depth from the measured depth as the depth increases. This new application of GPR will further extend the possible fields of application of this ubiquitous geophysical tool.


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41 viewsCategory: Geology, Physics
 
Remote Sensing, Vol. 11, Pages 142: Change Detection Based on Multi-Grained Cascade Forest and Multi-Scale Fusion for SAR Images (Remote Sensing)
Remote Sensing, Vol. 11, Pages 140: Applications of TRMM- and GPM-Era Multiple-Satellite Precipitation Products for Flood Simulations at Sub-Daily Scales in a Sparsely Gauged Watershed in Myanmar (Remote Sensing)
 
 
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