Kavetskiy Aleksandr, Yakubova Galina, Prior Stephen A, Torbert H Allen
USDA-ARS National Soil Dynamics Laboratory, 411 South Donahue Drive, Auburn, AL, 36832, USA.
USDA-ARS National Soil Dynamics Laboratory, 411 South Donahue Drive, Auburn, AL, 36832, USA.
Appl Radiat Isot. 2024 Jul;209:111332. doi: 10.1016/j.apradiso.2024.111332. Epub 2024 Apr 25.
Non-destructive methodology for determining carbon content in large or semi-infinite (soil) samples is discussed. This methodology is based on deconvoluting the sample's gamma spectra (received by tagged neutron method) on the sample component's spectra by accounting for neutron and gamma radiation attenuations. This algorithm was tested with both Monte-Carlo simulations and experimental gamma spectra. Good agreement was found between defined and actual sample component content. Application of this method for soil carbon determinations in agricultural fields is discussed.
讨论了用于测定大型或半无限（土壤）样品中碳含量的非破坏性方法。该方法基于通过考虑中子和伽马辐射衰减，将样品的伽马光谱（通过标记中子法接收）解卷积为样品成分的光谱。该算法通过蒙特卡罗模拟和实验伽马光谱进行了测试。在定义的样品成分含量与实际含量之间发现了良好的一致性。还讨论了该方法在农田土壤碳测定中的应用。
