• The 2017 coastal El Niño 

      Takahashi, Ken; Aliaga Nestares, Vannia; Avalos, Grinia; Bouchon, M.; Castro, Anabel; Cruzado, L.; Dewitte, Boris; Gutiérrez, B.; Lavado-Casimiro, W.; Marengo, José A.; Mosquera-Vásquez, K.; Quispe, Nelson

      (American Meteorological Society, 2018-08)
      Acceso abierto
      The original concept of El Niño consisted of anomalously high sea surface temperature and heavy rainfall along the arid northern coast of Peru (Carranza 1891; Carrillo 1893). The concept evolved into the El Niño–Southern ...
    • Behavior of the ITCZ second band near the Peruvian coast during the 2017 coastal El Niño 

      Aliaga Nestares, Vannia; Rodríguez Zimmermann, Diego; Quispe, Nelson

      (Universidad Nacional Autónoma de México, 2023)
      Acceso abierto
      The behavior of the second band of the Intertropical Convergence Zone (ITCZ) near the Peruvian coast during early 2017 is studied, using precipitation, surface winds, sea surface temperature (SST) and atmospheric variables ...
    • Change in strong Eastern Pacific El Niño events dynamics in the warming climate 

      Carréric, Aude; Dewitte, Boris; Cai, Wenju; Capotondi, Antonietta; Takahashi, Ken; Yeh, Sang-Wook; Wang, Guojian; Guémas, Virginie

      (Springer, 2020)
      Acceso restringido
      While there is evidence that ENSO activity will increase in association with the increased vertical stratification due to global warming, the underlying mechanisms remain unclear. Here we investigate this issue using the ...
    • Climate diagnostics of the extreme floods in Peru during early 2017 

      Son, R.; Wang, S.-Y.S.; Tseng, W.-L.; Barreto Schuler, Christian; Becker, E.J.; Yoon, J.-H.

      (Springer, 2020)
      Acceso abierto
      From January through March 2017, a series of extreme precipitation events occurred in coastal Peru, causing severe floods with hundreds of human casualties and billions of dollars in economic losses. The extreme precipitation ...
    • Climate impacts of the El Niño–Southern Oscillation on South America 

      Cai, Wenju; McPhaden, Michael J.; Grimm, Alice M.; Rodrigues, Regina R.; Taschetto, Andréa S; Garreaud, René D.; Dewitte, Boris; Poveda, Germán; Ham, Yoo-Geun; Santoso, A.; Ng, Benjamin; Anderson, Weston; Wang, Guojian; Geng, Tao; Jo, Hyun-Su; Marengo, José A.; Alves, Lincoln M.; Osman, Marisol; Li, Shujun; Wu, L.; Karamperidou, Christina; Takahashi, Ken; Vera, Carolina

      (Nature Publishing Group, 2020-04-10)
      Acceso abierto
      The climate of South America (SA) has long held an intimate connection with El Niño, historically describing anomalously warm sea-surface temperatures off the coastline of Peru. Indeed, throughout SA, precipitation and ...
    • Climate trends and variability in Ecuador (1966–2011) 

      Morán-Tejeda, E.; Bazo, Juan; López-Moreno, J.I.; Aguilar, E.; Azorín-Molina, C.; Sanchez‐Lorenzo, Arturo; Martínez, Rodney; Nieto, Juan J.; Mejía, R.; Martín‐Hernández, N.; Vicente-Serrano, S.M.

      (John Wiley and Sons Ltd, 2016-01-15)
      Acceso abierto
      This study detects climate trends and variability from precipitation and temperature observations in Ecuador and assesses their links to the El Niño Southern Oscillation (ENSO) for the period 1966–2011, using the El Niño ...
    • 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 abierto
      The 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 ...
    • Current thermal state of permafrost in the southern Peruvian Andes and potential impact from El Niño–Southern Oscillation (ENSO) 

      Yoshikawa, Kenji; Úbeda, Jose; Masías, Pablo; Vasquez, Pool; Ccallata, Beto; Concha, Ronald; Luna, Gonzalo; Iparraguirre, Joshua; Ramos, Isabel; De la Cruz, Gustavo; Cruz, Rolando; Pellitero, Ramón; Bonshoms, Marti

      ( John Wiley and Sons , 2020-05-19)
      Tropical high‐mountain permafrost has a unique thermal regime due to its exposure to strong solar radiation and to rough surface snow morphology, which reduce ground heat transfer from the surface. Latent heat transfer and ...
    • ENSO impact on hydrology in Peru 

      Lavado-Casimiro, W.; Felipe-Obando, Oscar; Silvestre, E.; Bourrel, V.

      (Copernicus GmbH, 2013-04)
      Acceso abierto
      The 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 ...
    • 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 abierto
      In 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 ...
    • 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) ...
    • 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 abierto
      The 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 ...
    • Increased variability of eastern Pacific El Niño under greenhouse warming 

      Cai, Wenju; Wang, G.; Dewitte, Boris; Wu, L.; Santoso, A.; Takahashi, Ken; Yang, Y.; Carréric, A.; McPhaden, M.J

      (Nature Publishing Group, 2018-12)
      Acceso cerrado
      The El Niño–Southern Oscillation (ENSO) is the dominant and most consequential climate variation on Earth, and is characterized by warming of equatorial Pacific sea surface temperatures (SSTs) during the El Niño phase and ...
    • 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 abierto
      The 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 ...
    • Rainfall along the coast of Peru during strong El Niño events 

      Sanabria Quispe, Janeet; Bourrel, L.; Dewitte, Boris; Frappart, F.; Rau, P.; Solis, Olimpio

      (Royal Meteorological Society, 2017-09-26)
      Acceso abierto
      While, climatologically, most areas of the Peruvian Pacific region do not experience precipitation, they can be affected by heavy rain and flooding during strong El Niño events with severe socio-economic impacts. Only four ...
    • Recent temperature variability and change in the Altiplano of Bolivia and Peru 

      López-Moreno, J.I.; Morán-Tejeda, E.; Vicente-Serrano, S.M.; Bazo, Juan; Azorín-Molina, C.; Revuelto, J.; Sanchez‐Lorenzo, Arturo; Aguilar, E.; Chura, O.

      (John Wiley and Sons Ltd, 2015-08-26)
      Acceso abierto
      This work analysed the changes in air temperature in 25 meteorological stations in the Altiplano and the surrounding Andean slopes of Bolivia and Peru, and their relationship with El Niño-Southern Oscillation (SO) and the ...
    • 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 ...
    • The role of ENSO flavours and TNA on recent droughts over Amazon forests and the Northeast Brazil region 

      Jimenez, Juan C.; Marengo, José A.; Alves, Lincoln M.; Sulca, Juan; Takahashi, Ken; Ferrett, Samantha; Collins, Matthew

      (Royal Meteorological Society, 2019-12-27)
      Acceso restringido
      Amazon tropical forests and the semiarid Northeast Brazil (NEB) region have registered very severe droughts during the last two decades, with a frequency that may have exceeded natural climate variability. Severe droughts ...
    • Spatio-temporal patterns of thermal anomalies and drought over tropical forests driven by recent extreme climatic anomalies 

      Jimenez, Juan C.; Barichivich, Jonathan; Mattar, Cristian; Takahashi, Ken; Santamaría-Artigas, Andrés; Sobrino, José A.; Malhi, Yadvinder

      (The Royal Society, 2018-08-23)
      The recent 2015– 2016 El Niño (EN) event was considered as strong as the EN in 1997–1998. Given such magnitude, it was expected to result in extreme warming and moisture anomalies in tropical areas. Here we characterize ...