Browsing by Author "Espinoza, J.C."
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Basin-scale analysis of rainfall and runoff in Peru (1969–2004): Pacific, Titicaca and Amazonas drainages
Lavado-Casimiro, W.; Ronchail, J.; Labat, D.; Espinoza, J.C.; Guyot, J.L.
(Taylor and Francis Ltd., 2012-06)Acceso abiertoAccording to the Peruvian agricultural ministry, the Pacific watersheds where the great cities and intense farming are located only benefit from 1% of the available freshwater in Peru. Hence a thorough knowledge of the ... -
Central South America
Marengo, José A.; Espinoza, J.C.; Alves, Lincoln M.; Ronchail, J.; Lavado-Casimiro, W.; Ramos, A. M.; Molina-Carpio, J.; Correa, Kris; Baez, J.; Salinas, R.
(American Meteorological Society, 2020-08)Acceso abiertoHeavy rainfall events were observed in January along the dry southern coast of Peru, resulting in some locations breaking precipitation records of more than 30 years. Heavy rainfall during February led to 42 landslides ... -
Climate variability and extreme drought in the upper Solimões River (western Amazon Basin): Understanding the exceptional 2010 drought
Espinoza, J.C.; Ronchail, J.; Guyot, J.L.; Junquas, v; Vauchel, P.; Lavado-Casimiro, W.; Drapeau, v; Pombosa, R.
(Blackwell Publishing Ltd, 2011-07)Acceso abiertoThis work provides an initial overview of climate features and their related hydrological impacts during the recent extreme droughts (1995, 1998, 2005 and 2010) in the upper Solimes River (western Amazon), using comprehensive ... -
Climatology of extreme cold events in the central Peruvian Andes during austral summer: origin, types and teleconnections
Sulca, Juan; Vuille, Mathias; Roundy, Paul; Takahashi, Ken; Espinoza, J.C.; Silva, Yamina; Trasmonte, Grace; Zubieta, R.
(Royal Meteorological Society, 2018-08-30)Acceso abiertoThe 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 ... -
Control of seasonal and inter-annual rainfall distribution on the Strontium-Neodymium isotopic compositions of suspended particulate matter and implications for tracing ENSO events in the Pacific coast (Tumbes basin, Peru)
Moquet, Jean-Sébastien; Morera, Sergio; Turcq, Bruno; Poitrasson, Franck; Roddaz, Martin; Moreira- Turcq, Patricia; Espinoza, J.C.; Guyot, J.L.; Takahashi, Ken; Orrillo-Vigo, Jhon; Petrick, Susana; Mounic, Stéphanie; Sondag, Francis
(Institut de recherche pour le développement-IRD, 2020-01)The geochemistry of riverine sediments exported to the oceans is important for paleo-hydro-climatic reconstruction. However, climate reconstruction requires a good understanding of the relationship between geochemistry and ... -
Discharge simulation in the sub-basins of the Amazon using ORCHIDEE forced by new datasets
Guimberteau, M.; Drapeau, G.; Ronchail, J.; Sultan, B.; Polcher, J.; Martinez, J.-M.; Prigent, C.; Guyot, J.L.; Cochonneau, G.; Espinoza, J.C.; Filizola, N.; Fraizy, Pascal; Lavado-Casimiro, W.; De Oliveira, E.; Pombosa, R.; Noriega, L.; Vauchel, P.
(Copernicus GmbH, 2012-03)Acceso abiertoThe aim of this study is to evaluate the ability of the ORCHIDEE land surface model to simulate streamflows over each sub-basin of the Amazon River basin. For this purpose, simulations are performed with a routing module ... -
Evolución regional de los caudales en el conjunto de la cuenca del Amazonas para el periodo 1974-2004 y su relación con factores climáticos
Espinoza, J.C.; Lavado-Casimiro, W.; Ordóñez Gálvez, Juan Julio; Fraizy, Pascal; Guyot, J.L.; Ronchail, Josyane; Vauchel, P.; Cochonneau, G.; Filizola, Naziano; Labat, David
(Servicio Nacional de Meteorología e Hidrología del Perú, 2009)Acceso abiertoPrevios estudios describen de manera general la variabilidad anual de los caudales en el curso principal del Amazonas en Brasil, el cual sólo representa el estado general del sistema hidrológico de la cuenca. Por ello, ... -
From drought to flooding: understanding the abrupt 2010-11 hydrological annual cycle in the Amazonas River and tributaries
Espinoza, J.C.; Ronchail, Josyane; Guyot, J.L.; Junquas, Clémentine; Guillaume, Drapeau; Martinez, Jean Michel; William, Santini; Philippe, Vauchel; Lavado-Casimiro, W.; Ordóñez Gálvez, Juan Julio; Espinoza-Villar, R.
(Institute of Physics Publishing, 2012-01)Acceso abiertoIn this work we document and analyze the hydrological annual cycles characterized by a rapid transition between low and high flows in the Amazonas River (Peruvian Amazon) and we show how these events, which may impact ... -
Hydrological modeling of the Peruvian-Ecuadorian Amazon Basin using GPM-IMERG satellite-based precipitation dataset
Zubieta, R.; Getirana, A.; Espinoza, J.C.; Lavado-Casimiro, W.; Aragon, L.
(Copernicus GmbH, 2017-07)Acceso abiertoIn 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 ... -
Impacts of different ENSO flavors and tropical Pacific convection variability (ITCZ, SPCZ) on austral summer rainfall in South America, with a focus on Peru
Sulca, Juan; Takahashi, Ken; Espinoza, J.C.; Vuille, M.; Lavado-Casimiro, W.
(John Wiley and Sons Ltd, 2018-01)Acceso abiertoEl Niño in the eastern and central Pacific has different impacts on the rainfall of South America, and the atmospheric pathways through the South Pacific Convergence Zone (SPCZ) and Inter-Tropical Convergence Zone (ITCZ) ... -
Impacts of El Niño and La Niña in the precipitation over Perú (1965-2007)
Lavado-Casimiro, W.; Espinoza, J.C.
(Sociedade Brasileira de Meteorologia, 2014-06)Acceso abiertoThe impacts of El Niño (EN) and La Niña (LN) in rainfall in Peru are evaluated using monthly data (1965-2007) of 155 stations distributed over the three hydrographic drainages of Peru: 85 in the Pacific (VP), 21 in the ... -
Impacts of satellite-based precipitation datasets on rainfall-runoff modeling of the Western Amazon basin of Peru and Ecuador
Zubieta, R.; Getirana, A.; Espinoza, J.C.; Lavado-Casimiro, W.
(Elsevier, 2015-09)Acceso cerradoSatellites 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 ... -
The Major Floods in the Amazonas River and Tributaries (Western Amazon Basin) during the 1970-2012 Period: A Focus on the 2012 Flood
Espinoza, J.C.; Ronchail, J.; Frappart, F.; Lavado-Casimiro, W.; Santini, W.; Guyot, J.L.
(American Meteorological Society, 2013)Acceso abiertoIn this work, the authors analyze the origin of the extreme floods in the Peruvian Amazonas River during the 1970-2012 period, focusing on the recent April 2012 flooding (55400m3 s-1). Several hydrological variables, such ... -
Observed and projected hydroclimate changes in the Andes
Pabón-Caicedo, José Daniel; Arias, Paola A.; Carril, Andrea F.; Espinoza, J.C.; Katerina, Goubanova; Lavado-Casimiro, W.; Mariano, Masiokas; Silvina, Solman; Ricardo, Villalba
(Frontiers, 2020-03-17)Acceso abiertoThe Andes is the most biodiverse region across the globe. In addition, some of the largest urban areas in South America are located within this region. Therefore, ecosystems and human population are affected by hydroclimate ... -
Rainfall hotspots over the southern tropical Andes: Spatial distribution, rainfall intensity, and relations with large-scale atmospheric circulation
Espinoza, J.C.; Chavez, Steven; Ronchail, Josyane; Junquas, Clémentine; Takahashi, Ken; Lavado-Casimiro, W.
(American Geophysical Union, 2015-05-11)Acceso abiertoThe Andes/Amazon transition is among the rainiest regions of the world and the interactionsbetween large-scale circulation and the topography that determine its complex rainfall distribution remainpoorly known. This work ... -
Las recientes sequías en la cuenca amazónica peruana: Orígenes climáticos e impactos hidrológicos
Espinoza, J.C.; Ronchail, Josyane; Lavado-Casimiro, W.; Santini, W.; Vauchel, P.; Pombosa, Rodrigo; Villacís, Marcos; Carranza, Jorge; Junquas, Clémentine; Drapeau, Guillaume
(Servicio Nacional de Meteorología e Hidrología del Perú, 2011)Acceso abiertoEste trabajo ofrece un panorama inicial de las características climáticas y los impactos hidrológicos afines durante las recientes sequías extremas (1995, 1998, 2005 y 2010) en el río Amazonas peruano. Para ello se empleó ... -
Revisiting wintertime cold air intrusions at the east of the Andes: propagating features from subtropical Argentina to Peruvian Amazon and relationship with large-scale circulation patterns
Espinoza, J.C.; Ronchail, Josyane; Lengaigne, Matthieu; Quispe, Nelson; Silva, Yamina; Bettolli, Maria Laura; Avalos, Grinia; Llacza Rodríguez, Alan
(Springer, 2012-12-29)Acceso abiertoThis study investigates the spatial and temporal characteristics of cold surges that propagates northward along the eastern flank of the Andes from subtropical to tropical South America analysing wintertime in situ daily ... -
Sediment budget in the Ucayali River basin, an Andean tributary of the Amazon River
Santini, W.; Martinez, J.-M.; Espinoza-Villar, R.; Cochonneau, G.; Vauchel, P.; Moquet, J.S.; Baby, P.; Espinoza, J.C.; Lavado-Casimiro, W.; Carranza, Jorge; Guyot, J.L.
(Copernicus GmbH, 2014-01)Acceso abiertoFormation of mountain ranges results from complex coupling between lithospheric deformation, mechanisms linked to subduction and surface processes: weathering, erosion, and climate. Today, erosion of the eastern Andean ... -
Sediment budget in the Ucayali River basin, an Andean tributary of the Amazon River
Santini, W.; Martinez, J.-M.; Espinoza-Villar, R.; Cochonneau, G.; Vauchel, P.; Moquet, J.S.; Baby, P.; Espinoza, J.C.; Lavado-Casimiro, W.; Carranza, Jorge; Guyot, J.L.
(Copernicus GmbH, 2014)Acceso abiertoFormation of mountain ranges results from complex coupling between lithospheric deformation, mechanisms linked to subduction and surface processes: weathering, erosion, and climate. Today, erosion of the eastern Andean ... -
The central South America region includes Brazil, Peru, Paraguay, and Bolivia
Marengo, J.; Espinoza, J.C.; Alves, L.M.; Ronchail, J.; Cunha, A.P.; Ramos, A. M.; Molina-Carpio, J.; Correa, K.; Avalos, G.; Lavado-Casimiro, W.; Baez, J.; Salinas, R.; Quispe, W. R.; Quisbert, K.
(American Meteorological Society, 2023)Acceso abiertoThe 2022 mean temperature for central South America was 0.23°C above the 1991–2020 average (Fig. 7.13). Much of the region had near- to above-average mean annual temperatures (Fig. 7.11). Seasonally, during December–February, ...
