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J Environ Radioact ; 75(2): 133-42, 2004.
Article in English | MEDLINE | ID: mdl-15172723

ABSTRACT

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.


Subject(s)
Air Pollutants, Radioactive/analysis , Atmosphere/analysis , Beryllium/analysis , Cesium Isotopes/analysis , Radioisotopes/analysis , Air Movements , Cuba , Environmental Monitoring/methods , Florida , Rain , Seasons , Time Factors
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