利用⁷Be作为大气中垂直传输过程的示踪剂重建古巴的¹³⁷Cs信号。
Reconstruction of 137Cs signal in Cuba using 7Be as tracer of vertical transport processes in the atmosphere.
作者信息
Hernández C M Alonso, Aguila H Cartas, Asencio M Díaz, Caravaca A Muñoz
机构信息
Centro de Estudios Ambientales de Cienfuegos, AP 5. Ciudad Nuclear, Cienfuegos, Cuba.
出版信息
J Environ Radioact. 2004;75(2):133-42. doi: 10.1016/j.jenvrad.2003.11.007.
Levels of 137Cs and 7Be in aerosols have been measured in the region of Cienfuegos (Cuba) during the period 1994-1998. 137Cs showed the same seasonal trend as 7Be and the monthly regimes of precipitation seemed to be responsible for the observed pattern. The 137Cs/7Be ratio obtained in Cienfuegos and Miami (FL) in this period was used to calibrate the long-term database of 137Cs concentrations recorded in Miami (250 km from Cienfuegos). The database was then employed to reconstruct the 137Cs monthly concentrations in Cienfuegos since 1957.
1994年至1998年期间，在古巴西恩富戈斯地区测量了气溶胶中137铯和7铍的含量。137铯与7铍呈现出相同的季节性趋势，月降水模式似乎是造成观测到的这种模式的原因。这一时期在西恩富戈斯和迈阿密（佛罗里达州）获得的137铯/7铍比率，被用于校准迈阿密（距离西恩富戈斯250公里）记录的137铯浓度长期数据库。该数据库随后被用于重建自1957年以来西恩富戈斯的137铯月度浓度。
Zotero 插件