Listar 01. Artículos Científicos por fecha de publicación
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A data portal for regional climatic trend analysis in a Peruvian High Andes region
Schwarb, M.; Acuña, Delia; Konzelmann, Thomas; Rohrer, M.; Salzmann, N.; Serpa Lopez, B.; Silvestre, E.
(Copernicus Publications, 2011-08-16)Acceso abiertoIn the frame of a Swiss-Peruvian climate change adaptation initiative (PACC), operational and historical data series of more than 100 stations of the Peruvian Meteorological and Hydrological Service (SENAMHI) are now ... -
Assessment of climate change impacts on the hydrology of the Peruvian Amazon-Andes basin
Lavado-Casimiro, W.; Labat, D.; Guyot, J.L.; Ardoin-Bardin, Sandra
(Wiley-Blackwell, 2011-11)In this article, we propose an investigation of the modifications of the hydrological response of two Peruvian Amazonas-Andes basins in relationship with the modifications of the precipitation and evapotranspiration rates ... -
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 ... -
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 ... -
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 ... -
The integration of field measurements and satellite observations to determine river solid loads in poorly monitored basins
Espinoza-Villar, R.; Martinez, J.-M.; Guyot, J.L.; Fraizy, Pascal; Armijos, E.; Crave, A.; Bazan, H.; Vauchel, P.; Lavado-Casimiro, W.
(IRD France Nord, 2012-06)Acceso cerradoThe use of satellite imagery to assess river sediment discharge is discussed in the context of poorly monitored basins. For more than three decades, the Peruvian hydrological service SENAMHI has been maintaining several ... -
Early warning systems: The "last mile" of adaptation
Huggel, C.; Rohrer, M.; Calanca, v; Salzmann, N.; Vergara, W.; Quispe, Nelson; Ceballos, J.L.
(American Geophysical Union, 2012-09)Acceso abiertoRecent scientific assessment studies of climate change impacts, including those from the Intergovernmental Panel on Climate Change, provide evidence of the negative effects of climate variability and change on natural and ... -
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 ... -
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 ... -
Propuesta de clasificación microclimática en función a la vegetación predominante en la cuenca del rio Itaya, Loreto-Perú.
Tello, Diana; Paredes, M.; Cobos, Marianela
(Centro Nacional de Planeamiento Estratégico, 2013)Acceso abiertoClasificar un tipo de clima es un reto en selva media y baja, donde las variaciones solo se dan por influencia del crecimiento de las ciudades o los procesos de deforestación y por ello las metodologías de selección de ... -
Warming and wetting signals emerging from analysis of changes in climate extreme indices over South America
Skansi, M.D.L.M.; Brunet, M.; Sigró, J.; Aguilar, E.; Arevalo Groening, J.A.; Bentancur, O.J.; Castellón Geier, Y.R.
(Elsevier B.V., 2013-01)Acceso cerradoHere we show and discuss the results of an assessment of changes in both area-averaged and station-based climate extreme indices over South America (SA) for the 1950-2010 and 1969-2009 periods using high-quality daily ... -
A critical assessment of the JULES land surface model hydrology for humid tropical environments
Zulkafli, Z.; Buytaert, W.; Onof, C.; Lavado-Casimiro, W.; Guyot, J.L.
(Hydrology and Earth System Sciences (HESS), 2013-01)Acceso abiertoGlobal land surface models (LSMs) such as the Joint UK Land Environment Simulator (JULES) are originally developed to provide surface boundary conditions for climate models. They are increasingly used for hydrological ... -
Current state of glaciers in the tropical Andes: A multi-century perspective on glacier evolution and climate change
Sicart, J.-E.; Huggel, C.; Scheel, M.; Lejeune, Y.; Arnaud, Y.; Collet, M.; Condom, T.; Consoli, G.; Favier, V.; Jomelli, V.; Galarraga, R.; Ginot, P.; Maisincho, L.; Mendoza, J.; Ménégoz, M.; Ramirez, E.; Ribstein, P.; Suarez, Wilson; Villacís, M.; Wagnon, P.
(Copernicus publications, 2013-01-22)Acceso abiertoThe aim of this paper is to provide the community with a comprehensive overview of the studies of glaciers in the tropical Andes conducted in recent decades leading to the current status of the glaciers in the context of ... -
Updated analyses of temperature and precipitation extreme indices since the beginning of the twentieth century: The HadEX2 dataset
Donat, M. G.; Alexander, L. V.; Yang, H.; Durre, I.; Vose, R.; Dunn, R. J. H.; Willett, K. M.; Aguilar, E.; Brunet, M.; Caesar, J.; Hewitson, B.; Jack, C.; Klein Tank, A. M. G.; Kruger, A. C.; Marengo, José A.; Peterson, T. C.; Renom, M.; Oria, Clara; Rusticucci, M.; Salinger, J.; Elrayah, A. S.; Sekele, S. S; Srivastava, A. K.; Trewin, B.; Villarroel, C.; Vincent, L. A.; Zhai, P.; Zhang, X.; Kitching, S.
(Wiley-Blackwell, 2013-03-04)Acceso abiertoIn this study, we present the collation and analysis of the gridded land-based dataset ofindices of temperature and precipitation extremes: HadEX2. Indices were calculated based onstation data using a consistent approach ... -
ENSO impact on hydrology in Peru
Lavado-Casimiro, W.; Felipe-Obando, Oscar; Silvestre, E.; Bourrel, V.
(Copernicus GmbH, 2013-04)Acceso abiertoThe El Niño and La Niña impacts on the hydrology of Peru were assessed based on discharge data (1968-2006) of 20 river catchments distributed over three drainage regions in Peru: 14 in the Pacific Coast (PC), 3 in the Lake ... -
Suspended sediment dynamics in the Amazon River of Peru
Armijos, E.; Crave, Alain; Vauchel, Philippe; Fraizy, Pascal; Santini, W.; Moquet, Jean-Sèbastien; Arevalo, Nore; Carranza, Jorge; Guyot, J.L.
(Elsevier, 2013-07)Acceso cerradoThe erosion and transport of sediments allow us to understand many activities of significance, such as crust evolution, climate change, uplift rates, continental processes, the biogeochemical cycling of pollutants and ... -
Climatic control on eastern Andean denudation rates (Central Cordillera from Ecuador to Bolivia)
Pepin, E.; Guyot, J.L.; Armijos, E.; Bazan, H.; Fraizy, Pascal; Moquet, J.S.; Noriega, L.; Lavado-Casimiro, W.; Pombosa, R.; Vauchel, P.
(Elsevier, 2013-07)Acceso cerradoThe suspended sediment yield and associated current denudation rates of eight large catchments located along the eastern range of the central Andes have been determined. The catchments have been chosen as mountainous and ... -
Relationship between monthly rainfall in NW peru and tropical sea surface temperature
Bazo, Juan; Lorenzo, M.D.L.N.; Porfirio Da Rocha, R.
(Hindawi Publishing Corporation, 2013-08)Acceso abiertoThis study assesses the relationship between global sea surface temperature (SST) and a regional index of rainfall (NWPR) in Piura-Tumbes, a coastal region in northwestern Peru, over the period 1965-2008 by means of the ... -
Trends in rainfall and temperature in the Peruvian Amazon-Andes basin over the last 40years (1965-2007)
Lavado-Casimiro, W.; Labat, D.; Ronchail, J.; Espinoza, J.C.; Guyot, J.L.
(John Wiley & Sons, Inc., 2013-09)Acceso cerradoThe hydroclimatology of the Peruvian Amazon-Andes basin (PAB) which surface corresponding to 7% of the Amazon basin is still poorly documented. We propose here an extended and original analysis of the temporal evolution ... -
Two Contrasting Severe Seasonal Extremes in Tropical South America in 2012: Flood in Amazonia and Drought in Northeast Brazil
Marengo, José A.; Alves, Lincoln M.; Soares, W.R.; Rodriguez, D.A.; Camargo, H.; Riveros, M.P.; Pabló, A.D.
(American Meteorological Society, 2013-11)Acceso abiertoTwo simultaneous extreme events affected tropical South America to the east of the Andes during the austral summer and fall of 2012: a severe drought in Northeast Brazil and intense rainfall and floods in Amazonia, both ...