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Mostrando 10 de un total de 139 resultados de la comunidad: Ciencias de la Atmósfera e Hidrósfera. (0.167 segundos)

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Por | Espinoza, Jhan Carlo (Université Pierre et Marie Curie, 2009-01-13)

Impact de la variabilité climatique sur l’hydrologie du bassin amazonien

Le bassin amazonien est le plus important bassin versant du monde par sa taille d’environ 6 000 000 km2 (≈ 5% des terres émergées) et son débit moyen annuel de 209 000 m3/s (Molinier et al., 1996). Il s’étend sur 7 pays, le Brésil, où se trouve 63% de sa superficie, le Pérou (16%), la Bolivie (12%), ...
- Hidrología
- Cuenca del Rio Amazonas
- Cambio climático
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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 | Morera Julca, Sergio Byron; Espinoza, Jhan Carlo; Takahashi, Ken; Condom, T.; Guyot, J. -L.; Vauchel, P.; Desiderio, A.; Grover, O.; Salinas, F.; Galvez, C.; Collas, M.; Santini, W. (Instituto Geofísico del Perú, 2013-11)

Magnitude and frequency of the suspended sediment fluxes from the Central Andes to the Pacific Ocean

Diapositivas presentadas en la 5ta Reunión científica de l’ORE HYBAM "Hydroclimatologie et Biogéochimie des eaux des Andes à l’Amazonie", llevado a acabo del 7 al 11 de octubre de 2013 - La Paz (Bolivia).
- Sediments
- Suspended sediments
- Climatology
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Por | Molina-Carpio, Jorge; Espinoza, Jhan Carlo; Vauchel, Philippe; Ronchail, Josyane; Gutierrez Caloir, Beatriz; Guyot, Jean-Loup; Noriega, Luis (Taylor & Francis, 2017-01-17)

Hydroclimatology of the Upper Madeira River basin: spatio-temporal variability and trends

Rising in the Andes, the Madeira River drains the southwestern part of the Amazon basin, which is characterized by high geographical, biological and climatic diversity. This study uses daily records to assess the spatio-temporal runoff variability in the Madeira sub-basins. Results show that inter-annual ...
- Amazon basin
- Madeira River
- Runoff variability
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Por | Figueroa, Manuel; Armijos Cardenas, Elisa Natalia; Espinoza, Jhan Carlo; Ronchail, Josyane; Fraizy, Pascal (Elsevier, 2020-12)

On the relationship between reversal of the river stage (repiquetes), rainfall and low-level wind regimes over the western Amazon basin

Study region: The Amazonas River and its tributaries (Peru), where riparian farmers face hydro-logical events that put their lowland crops at high risk of production loss during the flood recession period. Study focus: This paper analyzes the hydro-meteorological mechanisms over the Andes-Amazon basins ...
- Repiquetes
- Rainfall
- Circulation patterns
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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 | Ayes Rivera, Irma; Armijos Cardenas, Elisa Natalia; Espinoza Villar, Raúl Arnaldo; Espinoza, Jhan Carlo; Molina-Carpio, Jorge; Max Ayala, José; Gutierrez Cori, Omar; Martinez, Jean-Michel; Filizola, Naziano (MDPI, 2019-03-12)

Decline of fine suspended sediments in the Madeira River Basin (2003–2017)

The Madeira River is the second largest Amazon tributary, contributing up to 50% of the Amazon River’s sediment load. The Madeira has significant hydropower potential, which has started to be used by the Madeira Hydroelectric Complex (MHC), with two large dams along the middle stretch of the river. ...
- Madeira River
- Fine suspended sediment concentrations
- Water discharge
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Por | Mayta, Victor C.; Ambrizzi, Tércio; Espinoza, Jhan Carlo; Silva Dias, Pedro L. (Wiley, 2019-01)

The role of the Madden–Julian oscillation on the Amazon Basin intraseasonal rainfall variability

The relationship between the Madden–Julian oscillation (MJO) and the seasonal cycle of the intraseasonal rainfall variability in the Amazon Basin (AB) are analysed using band-pass-filtered gauge-based gridded rainfall data for the 1980–2009 period. Intraseasonal events (IE) have been defined and ...
- Amazon Basin
- Intraseasonal rainfall variability
- Madden–Julian oscillation
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Por | Zubieta Barragán, Ricardo; Getirana, Augusto; Espinoza, Jhan Carlo; Lavado, Waldo (Elsevier, 2015-09)

Impacts of satellite-based precipitation datasets on rainfall-runoff modeling of the Western Amazon basin of Peru and Ecuador

Satellites are an alternative source of rainfall data used as input to hydrological models in poorly gauged or ungauged regions. They are also useful in regions with highly heterogeneous precipitation, such as the tropical Andes. This paper evaluates three satellite precipitation datasets (TMPA, CMORPH, ...
- Hydrological modeling
- Precipitation dataset
- Satellite
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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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