Envíos recientes

  • Inter-annual variability of rainfall in Central America: Connection with global and regional climate modulators 

    Maldonado Mora, Tito José (2016)
    Central America is a region regularly affected by natural disasters, with most of them having a hydrometeorological origin. Therefore, the understanding of annual changes of precipitation upon the region is relevant for ...
  • Regional modeling of climate change impacts on smallholder agriculture and ecosystems in Central America 

    Hannah, Lee; Donatti, Camila I.; Harvey, Célia A.; Alfaro Martínez, Eric J.; Rodríguez, Daniel Andres; Bouroncle Seoane, Claudia; Castellanos López, Edwin Josué; Díaz, Freddy; Fung McLeod, Emily; Hidalgo León, Hugo G.; Imbach, Pablo; Läderach, Peter; Landrum, Jason P.; Solano Garrido, Ana Lucía (2016)
    Climate change will have serious repercussions for agriculture, ecosystems, and farmer livelihoods in Central America. Smallholder farmers are particularly vulnerable due to their reliance on agriculture and ecosystem ...
  • Las polémicas científicas en la Costa Rica del siglo XIX: El caso de la meteorología 

    Díaz Bolaños, Ronald Eduardo (2016)
    El presente artículo tiene como objetivo analizar los principales factores que originaron una serie de polémicas científicas ligadas con el proceso de institucionalización de la meteorología como actividad científica en ...
  • Central America and the Caribbean 

    Amador Astúa, Jorge Alberto; Hidalgo León, Hugo G.; Alfaro Martínez, Eric J.; Durán Quesada, Ana María; Calderón Solera, Blanca (2016)
    This chapter provides summaries of the 2015 temperature and precipitation conditions across seven broad regions: North America, Central America and the Caribbean, South America, Africa, Europe, Asia, and Oceania. In most ...
  • Assessment of Central America Regional Climate Outlook Forum maps, 1998-2013 

    Alfaro Martínez, Eric J.; Hidalgo León, Hugo G.; Mora Sandí, Natalie P.; Pérez Briceño, Paula M.; Fallas López, Berny (2016)
    Starting 1997, the Regional Climate Outlook Forums or RCOFs have taken place in different Latin American countries, as an effort to generate climatic prediction products. “since 2000, the Forum is organized in Central ...
  • Biodiversity and density of subtidal benthos of an oceanic tropical island (a comparison within the Pacific Ocean) 

    Sibaja Cordero, Jeffrey Alejandro; Troncoso, Jesús; Cortés Núñez, Jorge; Moreira, Juan; Vargas Zamora, José A.; Benavides Varela, Catalina (2016)
    The marine macrofauna of the shallow sandy bottom of Isla del Coco, Costa Rica (5°32′N-87°04′W) was assessed in April 2010. Comparisons of richness, density and diversity between levels of exposure to ocean influence were ...
  • A Multivariate Regression Model Between the October Rainfall Anomalies in Central America and the Tropical Pacific and Atlantic Ocean 

    Alfaro Martínez, Eric J. (1999-11)
    Principal Component Analysis was used to identity common anomaly patterns amongst 72 rainfall gauge stations in Central America during October, in order to identify stations to from October Rainfall Indices. October was ...
  • 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 ...
  • Southern California and the perfect drought: Simultaneous prolonged drought in southern California and the Sacramento and Colorado River systems 

    MacDonald, Glen M.; Kremenetski, Konstantine V.; Hidalgo León, Hugo G. (2008-09-01)
    Southern California relies heavily upon imported water from the Sacramento and Colorado river systems to augment local supplies and to mitigate the impacts of drought. In this paper a ‘perfect drought’ is defined as a ...
  • Recent Eurasian river discharge to the Arctic Ocean in the context of longer-term dendrohydrological records 

    MacDonald, Glen M.; Kremenetski, Konstantine V.; Smith, Laurence C.; Hidalgo León, Hugo G. (2007-12-29)
    Mapped correlations between annual discharges (AD 1938–1990) of the major Eurasian rivers entering the Arctic Ocean (Severnaya Dvina, Pechora, Ob', Yenisey, Lena, and Kolyma) demonstrate a positive relationship between ...
  • Projections of Potential Flood Regime Changes in California 

    Dettinger, Michael D.; Hidalgo León, Hugo G.; Das, Tapash; Cayan, Daniel R.; Knowles, Noah (2009-03)
    Floods have been a recurring theme in California’s climatology, hydrology, and politics throughout its history. Today, California's aging water supply and flood protection infrastructures are challenged by major floods ...
  • Sources of Variability of Evapotranspiration in California 

    Hidalgo León, Hugo G.; Cayan, Daniel R.; Dettinger, Michael D. (2005-02)
    The variability (1990–2002) of potential evapotranspiration estimates (ETo) and related meteorological variables from a set of stations from the California Irrigation Management System (CIMIS) is studied. Data from the ...
  • Warming and Earlier Spring Increase Western U.S. Forest Wildfire Activity 

    Westerling, Anthony LeRoy; Hidalgo León, Hugo G.; Cayan, Daniel R.; Swetnam, Thomas W. (2006-08-18)
    Western United States forest wildfire activity is widely thought to have increased in recent decades, yet neither the extent of recent changes nor the degree to which climate may be driving regional changes in wildfire has ...
  • Detection and Attribution of Temperature Changes in the Mountainous Western United States 

    Bonfils, Céline; Pierce, David W.; Hidalgo León, Hugo G.; Bala, Govindasamy; Das, Tapash; Cayan, Daniel R.; Doutriaux, Charles; Wood, Andrew W.; Nozawa, Toru; Barnett, Tim P.; Santer, Benjamin D.; Mirin, Arthur A. (2008-04-22)
    Large changes in the hydrology of the western United States have been observed since the mid-twentieth century. These include a reduction in the amount of precipitation arriving as snow, a decline in snowpack at low and ...
  • Associations of multi-decadal sea-surface temperature variability with US drought 

    McCabe, Gregory J.; Betancourt, Julio L.; Palecki, Michael A.; Hidalgo León, Hugo G.; Gray, Stephen T. (2008-09)
    Recent research suggests a link between drought occurrence in the conterminous United States (US) and sea surface temperature (SST) variability in both the tropical Pacific and North Atlantic Oceans on decadal to multidecadal ...
  • Associations of decadal to multidecadal sea-surface temperature variability with Upper Colorado River flow 

    McCabe, Gregory J.; Betancourt, Julio L.; Hidalgo León, Hugo G. (2007-02)
    The relations of decadal to multidecadal (D2M) variability in global sea-surface temperatures (SSTs) with D2M variability in the flow of the Upper Colorado River Basin (UCRB) are examined for the years 1906- 2003. Results ...
  • Human-Induced Changes in the Hydrology of the Western United States 

    Barnett, Tim P.; Pierce, David W.; Hidalgo León, Hugo G.; Bonfils, Céline; Santer, Benjamin D.; Das, Tapash; Bala, Govindasamy; Wood, Andrew W.; Nozawa, Toru; Mirin, Arthur A.; Cayan, Daniel R.; Dettinger, Michael D. (2008-02-22)
    Observations have shown that the hydrological cycle of the western United States changed significantly over the last half of the 20th century. We present a regional, multivariable climate change detection and attribution ...
  • Attribution of Declining Western U.S. Snowpack to Human Effects 

    Pierce, David W.; Barnett, Tim P.; Hidalgo León, Hugo G.; Das, Tapash; Bonfils, Céline; Santer, Benjamin D.; Bala, Govindasamy; Dettinger, Michael D.; Cayan, Daniel R.; Mirin, Arthur A.; Wood, Andrew W.; Nozawa, Toru (2008-12-01)
    Observations show snowpack has declined across much of the western United States over the period 1950–99. This reduction has important social and economic implications, as water retained in the snowpack from winter storms ...
  • Climate change scenarios and sea level rise estimates for California 2008 Climate Change Scenarios Assessment 

    Cayan, Daniel R.; Tyree, Mary; Dettinger, Michael D.; Hidalgo León, Hugo G.; Das, Tapash; Maurer, Edwin P.; Bromirski, Peter; Graham, Nicholas; Flick, Reinhard (2009-03)
    For the 2008 California Climate Change Assessment, to further investigate possible future climate changes in California, a set of 12 climate change model simulations was selected and evaluated. From the Intergovernmental ...
  • Climate Change, Growth, and California Wildfire 

    Westerling, Anthony LeRoy; Bryant, B. P.; Preisler, Haiganoush K.; Hidalgo León, Hugo G.; Das, Tapash; Sudhir Raj Shrestha (2009-03)
    Large wildfire occurrence and burned area are modeled using hydroclimate and landsurface characteristics under a range of future climate and development scenarios. The range of uncertainty for future wildfire regimes is ...

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