SEASONAL VARIATIONS OF CESIUM-137 IN THE GROUND LEVEL AIR

Technical Report · Mon May 01 04:00:00 EDT 1961

OSTI ID:4071722

Vohra, A G; Bhatnagar, V S; Rangarajan, C

An increase in the Cs/sup 1//sup 3//sup 7/ content of the ground level air was observed at Bombay during the spring seasons of the years 1957 to 1960. A similar increase was observed at seven other stations in India during 1960. The spring maximum of the years 1957 to 1959 can not be attributed to only the "seasonal effects" in the stratospheric fallout because of the testing of nuclear weapons a few months prior to the observed increase during these years. However, the increase during 1960, observed in the months January to April can be due to the "seasonal effects" because there were no tests carried out in 1959. The increase in 1960 due to the French Atomic Tests in February and April is expected to mske only a small contribution to Cs/sup 1//sup 3//sup 7/ in the air. The ratios of Cs/sup 1//sup 3//sup 7/ to gross beta a ctivity were also studied and these supported the general conclusions. (auth)

• Research Organization: India. Atomic Energy Establishment, Trombay
• NSA Number: NSA-15-021988
• OSTI ID: 4071722
• Report Number(s): AEET-AM-22
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

BIOLOGY AND MEDICINE
SPRINGS