Quantitative assessment of the spatial distribution of^(239+240)Pu inventory derived from global fallout in soils from Asia and Europe

作     者：CAO Liguo ZHOU Zhengchao WANG Ning XIAO Shun CAO Liguo;ZHOU Zhengchao;WANG Ning;XIAO Shun

作者机构：School of Geography and TourismShaanxi Normal UniversityXi'an 710119China 

出 版 物：《Journal of Geographical Sciences》 (地理学报（英文版）)

年 卷 期：2022年第32卷第4期

页      面：605-616页

核心收录：

学科分类：083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 07[理学] 08[工学] 09[农学] 0705[理学-地理学] 0903[农学-农业资源与环境] 0713[理学-生态学] 

基　　金：Key Technologies Research and Development Program of Shaanxi Province,No.2021ZDLSF05-02 National Natural Science Foundation of China,No.41901129 No.42101100 The Natural Science Foundation of Shaanxi Province,No.2021JM-200,No.2021JQ-313 The Fundamental Research Funds for the Central Universities,No.GK202001003 

主　　题：spatial distribution plutonium global fallout precipitation 

摘      要：Due to the atmospheric nuclear weapon tests carried out,terrestrial environments have been extensively contaminated by global fallout of plutonium(Pu)***^(239+240)Pu inventories in soil profiles from undisturbed and flat forest or grasslands(reference sites)mainly from Europe and Asia are considered as important background for evaluating soil ***,we conducted a literature survey over an area extending from 2.6°W to 148.9°E and from 53.2°S to 76.6°N,with the purpose of analyzing the spatial distribution of^(239+240)Pu inventories and possible controlling *** aim of this work was to derive an empirical model of^(239+240)Pu inventory based on currently available^(239+240)Pu data,precipitation and *** results show that,in general,the latitudinal distribution of^(239+240)Pu inventory was consistent with the UNSCEAR ***,the^(239+240)Pu inventories are higher than the UNSCEAR data,especially in the Northern *** addition,close relationships(at the 0.01 significance level)were identified between^(239+240)Pu inventories and annual precipitation and *** empirical formula was therefore developed to estimate^(239+240)Pu inventories in soils based on latitude and precipitation ***,future research may require more data of measured^(239+240)Pu inventories in soil profiles that can be used to compare,validate and improve upon the accuracy of the inferred empirical equation.