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Costa Rica en el mundo: Conferencia Internacional del Meridiano (Washington, 1884) 

Solano Chaves, Flora J. (2009-01-01)
La percepción del tiempo y del espacio siempre han significado un desafío en la historia de la humanidad, especialmente la aceptación de la hora oficial a nivel global y regional. El trabajo pretende brindar generalidades ...
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The last step of the volcanic unrest in Turrialba volcano: a new stage of magmatic eruptions 

González Ilama, Gino Steven; Mora Amador, Raúl Alberto; Ramírez Umaña, Carlos José; Lucchi, Federico; Rouwet, Dmitri; Forni, Francesca; Alpízar Segura, Yemerith (2015)
In 1864-1866, Turrialba volcano had a strombolian eruption with some phases of phreatic and phreatomagmatic activity, that covered the Central Valley of Costa Rica with a variable thickness of ash. During this eruption, ...
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Observed Changes (1970-1999) in Extreme Hydroclimatic Events in Central America 

Hidalgo León, Hugo G.; Alfaro Martínez, Eric J. (2018-04-20)
Previous studies have shown that most of Central America has been experiencing warming trends during the last 30-50 years, while precipitation annual totals have not changed much. Warming alone can exacerbate the effects ...
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Analysis of climate impacts in Costa Rica, Central America, from local historical information sources 

Alfaro Martínez, Eric J. (8th Alexander von Humboldt International Conference: Natural Disasters, Global Change, and the Preservation of World Heritage Sites". 12-16/11/2012. Cusco, Perú., 2012-11-12)
Central America and Mexico is a region that account for many World Heritage Sites. Among the climate hazards that affects this rich world heritage place of the world are the boreal winter cold fronts intrusions, also known ...
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Algunos aspectos relacionados con la variabilidad climática de los ciclones tropicales en el Pacífico tropical del este 

Alfaro Martínez, Eric J. (Memorias del Congreso Latinoamericano de Ciencias del Mar – XIV COLACMAR. Camboriú, Santa Catarina, Brasil. 30 de Octubre - 04 de Noviembre de 2011., 2011-11)
Como uno de los objetivos del proyecto “Paleotempestology of the Caribbean Region: A Multi-proxy, Multi-site Study of the Spatial and Temporal Variability of Caribbean Hurricane Activity” (Proyecto IAI-CRN2050, I.P. Dr. ...
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Characterization of the Mid Summer Drought in the Central Valley of Costa Rica, Central America 

Alfaro Martínez, Eric J. (AGU Meeting of the Americas 2013, 2013)
The IAS region is characterized by climate features of unique nature, one of them is the Mid-Summer Drought (MSD), “veranillo” or “canícula” in Spanish, an atmospheric attribute rarely observed in tropical regions. On ...
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Connections between the Intertropical Convergence Zone and other climatic features in Central America 

Hidalgo León, Hugo G.; Alfaro Martínez, Eric J.; Durán Quesada, Ana María; Amador Astúa, Jorge Alberto (2013-05-30)
This work explores statistical connections between the displacements and strength of the Intertropical Convergence Zone (ITCZ) and the Caribbean Low Level Jet (CLLJ). Indicators of the position and of the strength of the ...

Chandler wobble: Stochastic and deterministic dynamics 

Jenkins Villalobos, Alejandro (2016-09-18)
We propose a model of the Earth’s torqueless precession, the “Chandler wobble,” as a self-oscillation driven by positive feedback between the wobble and the centrifugal deformation of the portion of the Earth’s mass contained ...
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Estado actual del conocimiento sobre el perfil genético de la población de Costa Rica 

Morera Brenes, Bernal (2003-10)
The population of Costa Rica has been considered historically as the product of the amalgamation of three ethnic groups: Europeans, Africans and Amerindians. In addition, it has been said that this population is highly ...
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The effects of El Niño on agricultural water balance in Guatemala 

Pedreros, Diego; Michaelsen, Joel; Verdin, James; Magadzire, Tamuka; Aguilar, Lorena; Alfaro Martínez, Eric J.; Rodríguez, Mario; Carvalho, Leila V.; Funk, Chris C.; Husak, Greg J. (2011-04-26)
More than half the population of Guatemala lives in rural areas and depends on subsistence agriculture for their well being. This region is vulnerable to many climatic events, one of which is El Niño. This study looks at ...
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AuthorAlfaro Martínez, Eric J. (22)Hidalgo León, Hugo G. (7)Barquero Arroyo, Marco David (5)Amador Astúa, Jorge Alberto (4)Sanabria Coto, Iván Josué (4)Brenes Sáenz, Juan Carlos (3)Rojas Carvajal, Mijail (3)Alvarado Induni, Guillermo E. (2)Arce Marenco, Lizdenia Beatriz (2)Barboza Chinchilla, Luis Alberto (2)... View MoreType
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