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Mostrando 10 de un total de 56 resultados de la comunidad: Ciencias de la Atmósfera e Hidrósfera. (0.127 segundos)

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Por | Takahashi, Ken (European Geosciences Union (EGU), 2004-11-29)

The atmospheric circulation associated with extreme rainfall events in Piura, Peru, during the 1997-1998 and 2002 El Niño events

Abstract. The lowland of Piura, in northwestern Peru, is very strongly impacted by El Niño. Its climate is arid but can experience very heavy rainfall associated with the high nearby sea surface temperature (SST) during El Niño events. Rainfall, however, tends to occur in discrete, intense events and ...
- Meteorology and atmospheric dynamics
- Convective processes
- Mesoscale meteorology
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Por | Takahashi, Ken; Montecinos, A.; Goubanova, Katerina; Dewitte, Boris (American Geophysical Union (AGU), 2011-05)

ENSO regimes: reinterpreting the canonical and Modoki El Niño

We propose that the first two empirical orthogonal function (EOF) modes of tropical Pacific sea surface temperature (SST) anomalies do not describe different phenomena (i.e., El Niño‐Southern Oscillation (ENSO) and “El Niño Modoki”) but rather the nonlinear evolution of ENSO. We introduce two new ...
- ENSO
- El Niño
- El Niño Modoki
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Por | Sulca Jota, Juan Carlos; Vuille, Mathias; Roundy, Paul; Takahashi, Ken; Espinoza, Jhan Carlo; Silva Vidal, Yamina; Zubieta Barragán, Ricardo (Wiley, 2018-08)

Climatology of extreme cold events in the Central Peruvian Andes during austral Summer: Origin, types and teleconnections

The climatological and large‐scale characteristics of the extreme cold events (ECEs) in the central Peruvian Andes (Mantaro basin (MB)) during austral summer (January–March) are examined using reanalysis, gridded and in‐situ surface minimum temperature (Tmin) data for the 1979‐2010 period. To describe ...
- Atmospheric teleconnections
- Bolivian high
- Central Peruvian Andes
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Por | Espinoza, Jhan Carlo; Chávez Jara, Steven Paul; Ronchail, Josyane; Junquas, Clémentine; Takahashi, Ken; Lavado, Waldo (American Geophysical Union, 2015-04-17)

Rainfall hotspots over the southern tropical Andes: spatial distribution, rainfall intensity, and relations with large‐scale atmospheric circulation

The Andes/Amazon transition is among the rainiest regions of the world and the interactions between large‐scale circulation and the topography that determine its complex rainfall distribution remain poorly known. This work provides an in‐depth analysis of the spatial distribution, variability, and ...
- Rainfall
- Andes‐Amazon
- Extreme events
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Por | Silva Vidal, Yamina; Takahashi, Ken; Cruz, Nicolas; Trasmonte Soto, Grace Liliam; Mosquera Vásquez, Kobi Alberto; Nickl, Elsa; Chávez, Raúl; Segura Curi, Berlín Aveles; Lagos Enríquez, Pablo (2006-04)

Variability and climate change in the Mantaro river basin, Central Peruvian Andes

The present work is part of the "Integrated Local Assessment of the Mantaro River Basin" (ILA Mantaro), whose main objective was: to systematize and to extend the knowledge about climate change in the Mantaro river basin, and to evaluate the climatic, physical and social aspects of its vulnerability, ...
- Climate change
- Atmospheric precipitation
- Weather forecast
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Por | Dewitte, B; Takahashi, Ken; Goubanova, K.; Montecinos, A.; Mosquera Vásquez, Kobi Alberto; Illig, S.; Montes Torres, Ivonne; Paulmier, A.; Garçon, V.; Purca, S.; Flores, R.; Bourrel, L.; Rau, P.; Labat, D.; Lavado W.; Espinoza, Jhan Carlo (Institut de Recherche pour l'Développement (IRD), 2014)

Las diversas facetas de El Niño y sus efectos en la costa del Perú

El fenómeno El Niño es el modo dominante de la variabilidad interanual en el Océano Pacífico, resultando de un proceso de interacción entre el océano y la atmósfera en el Pacífico Tropical. Las últimas investigaciones demuestran que existen varias facetas de este fenómeno que varían según las modalidades ...
- El Niño
- Cambio climático
- Interacción oceáno-atmósfera
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Por | Takahashi, Ken; Aliaga-Nestares, V.; Avalos, G.; Bouchon, M.; Castro, A.; Cruzado, L.; Dewitte, Boris; Gutiérrez, D.; Lavado-Casimiro, W.; Marengo, J.; Martínez Grimaldo, Alejandra; Mosquera Vásquez, Kobi Alberto; Quispe, N. (American Meteorological Society, 2018-08)

The 2017 coastal El Niño

The original concept of El Niño consisted of anomalously high sea surface temperature and heavy rainfall along the arid northern coast of Peru (Carranza 1891; Carrillo 1893). The concept evolved into the El Niño–Southern Oscillation (ENSO; Bjerknes 1969), although the original El Niño and the Southern ...
- El Niño
- Atmospheric precipitation
- Climate change
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Por | Jiménez-Miuñoz, Juan C.; Mattar, Cristian; Barichivich, Jonathan; Santamaría-Artigas, Andrés; Takahashi, Ken; Malhi, Yadvinder; Sobrino, José A.; Van der Schrier, Gerard (Nature Research, 2016-09-08)

Record-breaking warming and extreme drought in the Amazon rainforest during the course of El Niño 2015–2016

The El Niño-Southern Oscillation (ENSO) is the main driver of interannual climate extremes in Amazonia and other tropical regions. The current 2015/2016 EN event was expected to be as strong as the EN of the century in 1997/98, with extreme heat and drought over most of Amazonian rainforests. Here we ...
- Climate-change impacts
- Environmental impact
- ENSO
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Por | Fajardo Urbina, Jeancarlo Manuel; Takahashi, Ken; Mosquera Vásquez, Kobi Alberto (Instituto Geofísico del Perú, 2014-09)

Los impactos de la marea y la onda Kelvin en los manglares de Tumbes

El nivel del mar a lo largo de la costa peruana está expuesto a muchos procesos ondulatorios, entre los que se encuentran los oleajes, mareas, tsunamis, ondas ecuatoriales y otros producidos por efecto de los vientos locales. Estos pueden, en mayor o menor medida y de manera independiente o en conjunto, ...
- Mareas
- Ondas Kelvin
- El Niño
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Por | Saavedra Huanca, Miguel; Takahashi, Ken (Elsevier Masson, 2017-05-28)

Physical controls on frost events in the Central Andes of Peru using in situ observations and energy flux models

Radiative frosts are a major hazard to agriculture in the tropical Andes of Peru, but there are very few studies of their physical controls. In this study we focus on identifying and approximately estimating the effect that physical variables have on both the downward surface longwave flux (LW↓) and ...
- Frost
- Andes
- Longwave radiation
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