Solar modulation of cosmic ray intensity and solar flare events inferred from (14)C contents in dated tree rings

The delta 14C values in 42 rings of a white spruce grown in Mackenzie Delta was measured as a continuing effort of tracing the history of solar modulation of cosmic ray intensity. The delta 14C values in six rings were measured, in search of a 14C increase due to two large solar flares that occurred...

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Bibliographic Details
Main Authors: Fan, C. Y., Chen, T. M., Dai, K. M., Yun, S. X.
Format: Other/Unknown Material
Language:unknown
Published: 1985
Subjects:
SPACE RADIATION
Mackenzie Delta
Online Access:http://hdl.handle.net/2060/19850026782
Description
Summary:The delta 14C values in 42 rings of a white spruce grown in Mackenzie Delta was measured as a continuing effort of tracing the history of solar modulation of cosmic ray intensity. The delta 14C values in six rings were measured, in search of a 14C increase due to two large solar flares that occurred in 1942. The results are presented.

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