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Browsing Artículos Científicos by Subject "http://purl.org/pe-repo/ocde/ford#1.05.09"
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Item Open Access A multi-institutional and interdisciplinary approach to the assessment of vulnerability and adaptation to climate change in the Peruvian Central Andes: problems and prospects(European Geosciences Union, 2008-04-10) Martínez Grimaldo, Alejandra; Takahashi, Ken; Nuñez, E.; Silva Vidal, Yamina; Trasmonte Soto, Grace Liliam; Mosquera Vásquez, Kobi Alberto; Lagos Enríquez, PabloA local integrated assessment of the vulnerability and adaptation to climate change in the Mantaro River Basin, located in Peruvian Central Andes, was developed between years 2003 to 2005. In this paper we present some lessons learned during the development of this study, emphasizing the multi-institutional and interdisciplinary efforts, briefly showing the methodological aspects, and pointing out the main problems found.Item Open Access ¿El Niño costero o Fenómeno El Niño?(Banco Central de Reserva del Perú, 2017-06) Martínez Grimaldo, Alejandra; Takahashi, KenEl 2017 Perú fue terriblemente golpeado por lluvias intensas, acompañadas de temperaturas del mar muy altas en nuestra costa durante el verano y el otoño. Este evento ha entrado a la cultura popular con la denominación de “El Niño costero”. Entendiéndose que es un fenómeno nuevo aunque similar al “Fenómeno El Niño” (FEN) que conocemos, pero ¿qué tan novedoso realmente ha sido? ¿Fue realmente distinto a eventos FEN pasados?.Item Restricted The 1877–1878 El Niño episode: associated impacts in South America(Climatic Change, 2009-08) Aceituno, Patricio; Prieto, Maríadel del Rosario; Solari, María Eugenia; Martínez Grimaldo, Alejandra; Poveda, Germán; Falvey, MarkAt times when attention on climate issues is strongly focused on the assessment of potential impacts of future climate change due to the intensification of the planetary greenhouse effect, it is perhaps pertinent to look back and explore the consequences of past climate variability. In this article we examine a large disruption in global climate that occurred during 1877–1878, when human influence was negligible. The mechanisms explaining this global disturbance are not well established, but there is considerable evidence that the major El Niño episode that started by the end of 1876 and peaked during the 1877–1878 boreal winter contributed significantly to it. The associated regional climate anomalies were extremely destructive, particularly in the Northern Hemisphere, where starvation due to intense droughts in Asia, South-East Asia and Africa took the lives of more than 20 million people. In South America regional precipitation anomalies were typical of El Niño events, with rainfall deficit and droughts in the northern portion of the continent as well as in northeast Brazil and the highlands of the central Andes (Altiplano). In contrast, anomalously intense rainfall and flooding episodes were reported for the coastal areas of southern Ecuador and Northern Perú, as well as along the extratropical West coast of the continent (central Chile, 30° S–40° S), and in the Paraná basin in the southeast region. By far the most devastating impacts in terms of suffering and loss of life occurred in the semiarid region of northeast Brazil where several hundreds of thousands of people died from starvation and diseases during the drought that started in 1877.