Now showing items 305-324 of 346

    • El temporal de enero 2000: sus características e impactos socio-económicos sobre las comunidades próximas a la cuenca de la Laguna de Arenal y de la región Huetar Norte 

      Bonilla Vargas, Adriana; Amador Astúa, Jorge Alberto (2009)
      Los fenómenos y procesos climáticos forman parte integral del sistema climático terrestre y son estudiados en consecuencia, pero también adquieren relevancia en tanto son detonantes de desastres, en algunos casos de ...
    • Tendencias hacia condiciones hidrológicas más secas en Centroamérica (1982- 2005) 

      Hidalgo León, Hugo G. (2013-11-11)
      Se presenta un resumen de los resultados de proyecciones hidrológicas de 30 modelos de circulación general (MCG) a final de siglo y se analizan si varios parámetros hidrometeorológicos presentan tendencias (1982-2005) ...
    • The 1877-1878 Mega Niño and its social impact in Costa Rica, Central America 

      Alfaro Martínez, Eric J.; Díaz Bolaños, Ronald Eduardo (2018-10)
      This work analyzes the social impact of the 1877-1878 Mega-Niño event in Costa Rica, through the comparison of data about droughts, rains, locust plagues and epidemics, collected from documentary sources and the analysis ...
    • The Caribbean Low-Level Jet, the Inter-Tropical Convergence Zone and Precipitation Patterns in the Intra-Americas Sea: A Proposed Dynamical Mechanism 

      Hidalgo León, Hugo G.; Durán Quesada, Ana María; Amador Astúa, Jorge Alberto; Alfaro Martínez, Eric J. (2015-01-12)
      Data from the Global Precipitation Climatology Project covering Central America, the Caribbean Sea, the eastern tropical Pacific and northern South America are used to compute four indexes that describe characteristics ...
    • The Central American Dry Corridor: A Consensus Statement and its Background 

      Gotlieb, Yosef; Pérez Briceño, Paula Marcela; Hidalgo León, Hugo G.; Alfaro Martínez, Eric J. (2019)
      A unique gathering of climate, development and environmental experts took place from September 25-28, 2017 in San José and Guanacaste Province, Costa Rica. The subject of their deliberations was the Central American Dry ...
    • The Choco low‐level jet: past, present and future 

      Sierra, Juan P.; Arias Gómez, Paola Andrea; Durán Quesada, Ana María; Tapias, Karina A.; Vieira, Sara C.; Martínez Agudelo, John Alejandro (2021)
      The Choco low-level jet is among the main regional circulation mechanisms related to the advection of water vapor from the eastern Pacifc to northwestern South America. Variations in the intensity of position of the jet ...
    • 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 ...
    • The Intra-Americas Sea Low-level Jet 

      Amador Astúa, Jorge Alberto (2008-12-05)
      A relevant climate feature of the Intra‐Americas Sea (IAS) is the low‐level jet (IALLJ) dominating the IAS circulation, both in summer and winter; and yet it is practically unknown with regard to its nature, structure, ...
    • The Midsummer Drought over Mexico and Central America 

      Amador Astúa, Jorge Alberto; Magaña Rueda, Víctor Orlando; Medina, Socorro (1998-06)
      The annual cycle of precipitation over the southern part of Mexico and Central America exhibits a bimodal distribution with maxima during June and September–October and a relative minimum during July and August, known as ...
    • The MILAN campaign: Studying diel light effects on the air-sea interface 

      Stolle, Christian; Ribas Ribas, Mariana; Badewien, Thomas H.; Barnes, Jonathan; Carpenter, Lucy J.; Chance, Rosie; Damgaard, Lars Riis; Durán Quesada, Ana María; Engel, Anja; Frka, Sanja; Galgani, Luisa; Gašparović, Blaženka; Gerriets, Michaela; Mustaffa, Nur Ili Hamizah; Herrmann, Hartmut; Kallajoki, Liisa; Pereira, Ryan; Radach, Franziska; Revsbech, Niels Peter; Rickard, Philippa; Saint, Adam; Salter, Matthew; Striebel, Maren; Triesch, Nadja; Uher, Guenther; Upstill Goddard, Robert C.; van Pinxteren, Manuela; Zäncker, Birthe; Zieger, Paul; Wurl, Oliver (2019)
      The sea-surface microlayer (SML) at the air-sea interface is < 1 mm deep but it is physically, chemically and biologically distinct from the underlying water and the atmosphere above. Wind-driven turbulence and solar ...
    • The necessity for tailoring seasonal climate forecast in Central America for urban and coastal areas, including physics and human dimensions 

      Alfaro Martínez, Eric J. (Memories of the WCRP Conference for Latin America and the Caribbean: Developing, linking, and applying climate knowledge, 2014-03)
      Recent assessment analyses in Central America showed that trends in the annual number of impacts and disasters related with hydro-meteorology causes cannot be explained by climate trends only. That means that other ...
    • The October 1891 Cartago (Costa Rica) floods from documentary sources and 20CR data 

      Amador Astúa, Jorge Alberto; Pribyl, Kathleen; Anderson, María José; Calderón Solera, Blanca; Pribyl, Kathleen (2018)
      This work comes to fill a fundamental gap in the history of Central American extreme climatic events by putting together qualitative and quantitative historical data and reanalysis information (the 20CR project) for the ...
    • The residence time of water vapour in the atmosphere 

      Gimeno Presa, Luis; Eiras Barca, Jorge; Durán Quesada, Ana María; Domínguez, Francina; van der Ent, Ruud; Sodemann, Harald; Sánchez Murillo, Ricardo; Nieto, Raquel; Kirchner, James W. (2021-07-13)
      Atmospheric water vapour residence time (WVRT) is an essential indicator of how atmospheric dynamics and thermodynamics mediate hydrological cycle responses to climate change. WVRT is also important in estimating moisture ...
    • The Role of Land Use Conversion in Shaping the Land Cover of the Central American Dry Corridor 

      Gotlieb, Yosef; García Girón, Jorge Daniel (2020)
      The Central American Dry Corridor (CADC) is a trans-border region characterized by climatic and ecological continuities. It is expected to experience rising aridity and severe hydro-climatic events due to climate change. ...
    • The role of lowlevel circulation on water vapour transport to central and northern South America: Insights from a 2D Lagrangian approach 

      Morales Salgado, Jose Sebastian; Arias Gómez, Paola Andrea; Martínez Agudelo, John Alejandro; Durán Quesada, Ana María (2020)
      The potential role of low-level circulation on the transport of atmospheric moisture towards Central America and northern South America is studied with the Dynamical Recycling Model (DRM) for the period 1981–2015. The net ...
    • The role of the meridional sea surface temperature gradient in controlling the Caribbean low-level jet 

      Maldonado Mora, Tito José; Rutgersson, Anna; Caballero, Rodrigo; Pausata, Francesco Salvatore Rocco; Alfaro Martínez, Eric J.; Amador Astúa, Jorge Alberto (2017)
      The Caribbean low‐level jet (CLLJ) is an important modulator of regional climate, especially precipitation, in the Caribbean and Central America. Previous work has inferred, due to their semiannual cycle, an association ...
    • The utility of daily large-scale climate data in the assessment of climate change impacts on daily streamflow in California 

      Maurer, Edwin P.; Hidalgo León, Hugo G.; Das, Tapash; Dettinger, Michael D.; Cayan, Daniel R. (2010-06-30)
      Three statistical downscaling methods were applied to NCEP/NCAR reanalysis (used as a surrogate for the best possible general circulation model), and the downscaled meteorology was used to drive a hydrologic model over ...
    • The Western U.S. Drought: How Bad Is It? 

      Piechota, Thomas C.; Timilsena, Janak; Tootle, Glenn; Hidalgo León, Hugo G. (2014-08-10)
      Historical stream flow records and the forecast for 2004 make the current (1999–2004) drought in the southwestern United States the worst one in the past 80 years for portions of the Upper Colorado River Basin (UCRB). For ...
    • La tormenta tropical de 1887 y su paso por las fuentes históricas costarricenses 

      Díaz Bolaños, Ronald Eduardo (Revista Estudios. Universidad de Costa Rica. No. 18-19. pág. 39-56.ISSN: 1659-1925/2004-2005, 2004)
      El estudio de la dinámica de los ciclones tropicales en la Cuenca del Atlántico Norte, ha cobrado un especial significado para el desarrollo de la meteorología costarricense debido a las implicaciones que tiene para ...
    • Tormentas y huracanes 

      Poveda, Germán; Amador Astúa, Jorge Alberto; Ambrizzi, Tercio; Bazo, Juan; Robelo González, Eduardo; Rubiera, José; Vicente Serrano, Sergio M. (2020)
      El cambio climático está causando y con mucha probabilidad causará en el siglo xxi una intensificación de las tormentas intensas y los huracanes, con graves consecuencias sociales, ambientales y económicas en los países ...