Listar por autor "Ronchail, J."

    • 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 ...

    • 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 abierto
      This 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 ...

    • 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 abierto
      The 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 ...

    • 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 ...

    • Spatio-temporal rainfall variability in the Amazon basin countries (Brazil, Peru, Bolivia, Colombia, and Ecuador) 

      Villar, J.C.E.; Ronchail, J.; Guyot, J.L.; Cochonneau, G.; Naziano, F.; Lavado-Casimiro, W.; De Oliveira, E.; Pombosa, R.; Vauchel, P.

      (Wiley Online Library, 2009-09)
      Acceso abierto
      Rainfall variability in the Amazon basin (AB) is analysed for the 1964-2003 period. It is based on 756 pluviometric stations distributed throughout the AB countries. For the first time it includes data from Bolivia, Peru, ...

    • 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 abierto
      The 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, ...

    • 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 cerrado
      The 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 ...