El Ciclo de las Manchas Solares y la Precipitaci\'on en la Regi\'on del Eje Cafetero - Colombia
Fernando Alfonso Gonz\'alez-Lozano

TL;DR
This study investigates the influence of the 11-year solar activity cycle on regional precipitation in Colombia's Eje Cafetero region, finding significant correlations and cycles that can aid long-term water resource planning.
Contribution
It provides new evidence of the solar cycle's impact on regional climate and precipitation patterns in Colombia, using statistical analysis of long-term data.
Findings
Inverse correlation between sunspots and precipitation.
Identification of 10-11 year cycles in precipitation data.
Significant difference in precipitation during solar cycle minima and maxima.
Abstract
In order to detect a possible influence of the solar activity cycle on the regional climate, it is established by correlations an inverse relation between the sunspots index and the annual precipitation in the following stations: Cenicaf\'e (1942-2014), Naranjal (1951-2014) , La Bella (1951-2014), Miguel Valencia (1953-2014), localized in the Region of the Eje Cafetero. This relation evidences a high statistical significance for the first three stations being higher with the sunspot index series delayed one and two years. The autocorrelations and the semivariograms calculated until 24 delays for the Cenicaf\'e, Naranjal and La Bella stations' series clearly show a cycle of 10 or 11 years for the first two stations. For La Bella station it is evident the cycle in the delays with inverse relation, delays 6 and 16. The frequency spectra of the Cenicaf\'e, Naranjal and La Bella stations'…
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Taxonomy
TopicsHistory and Politics in Latin America
