• 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 abierto
      According 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 abierto
      Heavy 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 ...
    • Cutoff low over the southeastern Pacific Ocean: a case study 

      Quispe, Nelson; Aliaga Nestares, Vannia; Rodríguez Zimmermann, Diego; Bonshoms, Marti; Loayza, Raquel; García, Teresa; Mesia, José; Duran, Ricardo; Olivares, Sara

      (CSIRO, 2021-02-17)
      Acceso abierto
      Cutoff lows (COLs) are infrequent events in the tropics that can cause extreme rainfall, flash flooding and landslides in arid areas, such as western South America. In this study, the life cycle of a COL in the southeastern ...
    • 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 abierto
      El 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) ...
    • 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 abierto
      In 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 ...
    • 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 abierto
      The 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 ...
    • Reconstrucción de datos faltantes de precipitación pluvial diaria mediante la Transformada Wavelet 

      Carbajal Carrasco, Mariella; Yarlequé, Christian; Posadas, Adolfo; Silvestre, Elizabeth; Mejía, Abel; Quiroz, Roberto

      (Servicio Nacional de Meteorología e Hidrología del Perú, 2011)
      Acceso abierto
      Se describe la aplicación de un nuevo método para la completación de datos faltantes de precipitación diaria utilizando la “Transformada de Wavelets” (TW). Series completas de datos de precipitación diaria para los períodos ...
    • Regionalization of rainfall over the Peruvian Pacific slope and coast 

      Rau, P.; Bourrel, L.; Labat, D.; Melo, P.; Dewitte, Boris; Frappart, F.; Lavado-Casimiro, W.; Felipe-Obando, Oscar

      (John Wiley and Sons Ltd, 2017-01)
      Acceso cerrado
      Documenting the heterogeneity of rainfall regimes is a prerequisite for water resources management, mitigation of risks associated to extremes weather events and for impact studies. In this paper, we present a method for ...
    • 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 abierto
      This 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 ...
    • Summertime precipitation deficits in the southern Peruvian highlands since 1964 

      Imfeld, N.; Barreto Schuler, Christian; Correa, Kris; Jacques-Coper, M.; Sedlmeier, v; Gubler, S.; Huerta, Adrian; Brönnimann, v

      (John Wiley and Sons Ltd, 2019-03)
      Acceso abierto
      Precipitation deficits remain a concern to the rural population in the southern Peruvian highlands and knowledge about their occurrence is lacking because of scarce data availability. For mountainous regions with sparse ...
    • 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 abierto
      Two 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 ...