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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 ... -
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 ... -
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 ... -
Potential impacts of early twenty-first century changes in temperature and precipitation on rainfed annual crops in the Central Andes of Peru
Sanabria Quispe, Janeet; Calanca, Pierluigi; Alarcón Velazco, Constantino Eusebio; Canchari, Glicerio
(Springer, 2014-03-08)Acceso abiertoSmallholder agriculture in the Central Andes of Peru is based to large extent on rainfed cropping systems, is exposed to climatic risks and is expected to respond sensitively to increasing temperatures and shifts in the ... -
A comparative performance analysis of TRMM 3B42 (TMPA) versions 6 and 7 for hydrological applications over Andean-Amazon river basins
Zulkafli, Z.; Buytaert, W.; Onof, C.; Manz, B.; Tarnavsky, E.; Lavado-Casimiro, W.; Guyot, J.L.
(American Meteorological Society, 2014-04)Acceso abiertoThe Tropical Rainfall Measuring Mission 3B42 precipitation estimates are widely used in tropical regions for hydrometeorological research. Recently, version 7 of the product was released. Major revisions to the algorithm ... -
Low-frequency modulation and trend of the relationship between ENSO and precipitation along the northern to centre Peruvian Pacific coast
Bourrel, L.; Rau, Pedro; Dewitte, Boris; Labat, David; Lavado-Casimiro, W.; Coutaud, Aude; Vera, Andrea; Alvarado, Abigail; Ordóñez Gálvez, Juan Julio
(John Wiley and Sons, 2014-05-21)Acceso abiertoThe relationship between El Niño Southern Oscillation (ENSO) and precipitation along the Peruvian Pacific coast is investigated over 1964–2011 on the basis of a variety of indices accounting for the different types of El ... -
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 ... -
Cl and Na Fluxes in an Andean Foreland Basin of the Peruvian Amazon: An Anthropogenic Impact Evidence
Moquet, Jean-Sébastien; Maurice, Laurence; Crave, Alain; Viers, Jérôme; Arevalo, Nore; Lagane, C.; Lavado-Casimiro, W.; Guyot, J.L.
(Springer, 2014-09-14)Acceso abiertoThe dissolved load of the Amazon River is generally considered to be lowlyimpacted by anthropogenic activities. In this work, based on the chemical and hydrologicaldatabase of the Environmental Research Observatory—HYBAM ... -
Water resources and climate change impact modelling on a daily time scale in the Peruvian Andes
Andres, N.; Vegas Galdos, F.; Lavado-Casimiro, W.; Zappa, M.
(Taylor and Francis Ltd., 2014-11)Acceso abiertoEstimating water resources is important for adequate water management in the future, but suitable data are often scarce. We estimated water resources in the Vilcanota basin (Peru) for the 1998–2009 period with the ...