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Mostrando 10 de un total de 116 resultados de la comunidad: Ciencias de la Atmósfera e Hidrósfera. (0.19 segundos)

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Por | Wongchuig Correa, Sly; Cauduro Dias de Paiva, Rodrigo; Espinoza, Jhan Carlo; Collischonn, Walter (Elsevier, 2017-06)

Multi-decadal Hydrological Retrospective: case study of Amazon floods and droughts

Recently developed methodologies such as climate reanalysis make it possible to create a historical record of climate systems. This paper proposes a methodology called Hydrological Retrospective (HR), which essentially simulates large rainfall datasets, using this as input into hydrological models to ...
- Hydrological Retrospective
- Climate reanalysis
- Hydrological modeling
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Por | Espinoza, Jhan Carlo; Ronchail, Josyane; Marengo, José Antonio; Segura Cajachagua, Hans Mikhail (Springer, 2018-09)

Contrasting North–South changes in Amazon wet-day and dry-day frequency and related atmospheric features (1981–2017)

This study provides an updated analysis of the evolution of seasonal rainfall intensity in the Amazon basin, considering the 1981–2017 period and based on HOP (interpolated HYBAM observed precipitation) and CHIRPS (The Climate Hazards Group Infrared Precipitation with Stations) rainfall data sets. Dry ...
- Southern Amazon
- Tropical North Atlantic Ocean (TNA)
- Bolivian Amazon
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Por | Barichivich, Jonathan; Gloor, Emanuel; Peylin, Philippe; Brienen, Roel J. W.; Schöngart, Jochen; Espinoza, Jhan Carlo; Pattnayak, Kanhu C. (American Association for the Advancement of Science: Science Advances, 2018-09)

Recent intensification of Amazon flooding extremes driven by strengthened Walker circulation

The Amazon basin is the largest watershed on Earth. Although the variability of the Amazon hydrological cycle has been increasing since the late 1990s, its underlying causes have remained elusive. We use water levels in the Amazon River to quantify changes in extreme events and then analyze their ...
- Flood
- Atmospheric circulation
- Hidrology
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Por | Vergara S., Lucio; Espinoza, Jhan Carlo (Instituto Geofísico del Perú, 2017-07)

Eventos hidrológicos extremos en la Amazonía peruana: sistema de alerta para la previsión. Informe mensual: julio de 2017

El presente informe mensual del estudio “Eventos Hidrológicos Extremos en la Amazonía Peruana: Sistema de Alerta Cualitativo para la Previsión”, está elaborado en el marco del observatorio ORE-HYBAM y es posible gracias al convenio interinstitucional entre la Autoridad Nacional del Agua y el Instituto ...
- Eventos hidrológicos
- Sistemas de alerta
- Prevención de desastres
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Por | Vergara S., Lucio; Espinoza, Jhan Carlo (Instituto Geofísico del Perú, 2014-07-31)

Eventos hidrológicos extremos en la Amazonía peruana: sistema de alerta para la previsión. Informe mensual: 31 de iulio de 2014

El presente informe mensual de “Eventos Hidrológicos Extremos en la Amazonía Peruana: Sistema de Alerta Cualitativo para la Previsión”, está elaborado en el marco del convenio interinstitucional entre la Autoridad Nacional del Agua y el Instituto Geofísico del Perú, cuyo objetivo es la elaboración e ...
- Eventos hidrológicos
- Sistemas de alerta
- Prevención de desastres
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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 | Zubieta Barragán, Ricardo; Getirana, Augusto; Espinoza, Jhan Carlo; Lavado-Casimiro, Waldo; Aragon, Luis (European Geosciences Union (EGU), 2017-07-14)

Hydrological modeling of the Peruvian-Ecuadorian Amazon Basin using GPM-IMERG satellite-based precipitation dataset

In the last two decades, rainfall estimates provided by the Tropical Rainfall Measurement Mission (TRMM) have proven applicable in hydrological studies. The Global Precipitation Measurement (GPM) mission, which provides the new generation of rainfall estimates, is now considered a global successor to ...
- Rainfall
- Atmospheric precipitation
- Hydrology
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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 | Lavado-Casimiro, Waldo; Espinoza, Jhan Carlo (Sociedade Brasileira de Meteorologia, 2014-06)

Impactos de El Niño y La Niña en las lluvias del Perú (1965-2007)

Los impactos de El Niño (EN) y La Niña (LN) en las lluvias del Perú son evaluados utilizando datos de lluvias mensuales (1965-2007) de 155 estaciones distribuidos sobre las tres vertientes hidrográficas del Perú: 85 en la del Pacífico (VP), 21 en la del Lago Titicaca (VT) y 49 en la del Amazonas (VA). ...
- El Niño Oscilación del Sur (ENOS)
- Variabilidad Pluviométrica
- Andes
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Por | Espinoza, Jhan Carlo; Marengo, José Antonio; Ronchail, Josyane; Molina Carpio, Jorge; Noriega Flores, Luis; Guyot, Jean Loup (IOP Publishing, 2014-12-08)

The extreme 2014 flood in south-western Amazon basin: the role of tropical-subtropical South Atlantic SST gradient

Unprecedented wet conditions are reported in the 2014 summer (December–March) in Southwestern Amazon, with rainfall about 100% above normal. Discharge in the Madeira River (the main southern Amazon tributary) has been 74% higher than normal (58 000 m3 s−1) at Porto Velho and 380% (25 000 m3 s−1) at ...
- Extreme flood
- Amazon basin
- Madeira river
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