Evidence of solar activity and El Niño signals in tree rings of Araucaria araucana and A. angustifolia in South America
文摘

Araucaria were suitable to record climatic-environmental signals in tree rings.

Link among solar phenomena, climatic conditions, tree growth in Chile and Argentina

Evident correlation among solar activity, ENSO effect, tree ring during 20th century

Local environmental conditions prevailed in regulating tree signals at the Brazilian sites.

Tree ring signals follow solar fluctuations and El Nino Southern Oscillation effects.

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