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  • Identifying, attributing, and overcoming common data quality issues of manned station observations 

    Hunziker, Stefan; Gubler, Stefanie; Calle, Juan; Moreno, Isabel; Andrade, Marcos; Velarde, Fernando; Ticona, Laura; Carrasco, Gualberto; Castellón, Yaruska; Oria, Clara; Croci-Maspoli, Mischa; Konzelmann, Thomas; Rohrer, Mario; Brönnimann, Stefan

    (John Wiley and Sons Ltd, 2017-03-20)
    Acceso abierto
    In situ climatological observations are essential for studies related to climate trends and extreme events. However, in many regions of the globe, observational records are affected by a large number of data quality issues. ...
  • Recent changes in monthly surface air temperature over Peru, 1964–2014 

    Vicente-Serrano, S.M.; López-Moreno, J.I.; Correa, K.; Avalos, G.; Bazo, Juan; Azorin-Molina, C.; Domínguez-Castro, F.; Kenawy, A.E.

    (John Wiley and Sons Ltd, 2018-01)
    Embargado
    This study assessed changes in the maximum and minimum surface air temperatures across Peru during the period 1964–2014. For this purpose, we employed the most complete records of air temperature series that were also ...
  • Mapping seasonal and annual extreme precipitation over the Peruvian Andes 

    Domínguez-Castro, F.; Vicente-Serrano, S.M.; López-Moreno, J.; Correa, K.; Ávalos, G.; Azorín-Molina, C.; El Kenawy, A.; Tomas-Burguera, M.; Navarro-Serrano, F.; Peña-Gallardo, M.; Gimeno, L.; Nieto, R.

    (John Wiley and Sons Ltd, 2018-12)
    Embargado
    Seasonal and annual extreme precipitation over the Peruvian Andes have been mapped for the first time. Maps were developed using the most complete, quality-controlled and homogenous daily precipitation records in Peru from ...
  • Increased variability of eastern Pacific El Niño under greenhouse warming 

    Cai, W.; Wang, G.; Dewitte, B.; Wu, L.; Santoso, A.; Takahashi, K.; Yang, Y.; Carréric, A.; McPhaden, M.J

    (Nature Publishing Group, 2018-12)
    Embargado
    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 ...
  • Strength outlooks for the El Niño-Southern Oscillation 

    L'Heureux, M.L.; Tippett, M.K.; Takahashi, K.; Barnston, A.G.; Becker, E.J.; Bell, G.D.; Di Liberto, T.E.; Gottschalck, J.; Halpert, M.S.

    (American Meteorological Society, 2019-02)
    Embargado
    Three strategies for creating probabilistic forecast outlooks for El Niño-Southern Oscillation (ENSO) are compared. One is subjective and is currently used by the NOAA/Climate Prediction Center (CPC) to produce official ...
  • An environmental watch system for the andean countries: El observatorio andino 

    Muñoz, A.G.; López, P.; Velásquez, R.; Monterrey, L.; León, G.; Ruiz, F.; Recalde, C.; Cadena, J.; Mejía, R.; Paredes, M.; Bazo, Juan

    (American Meteorological Society, 2010-09)
    Acceso abierto
    Observatorio Andino (OA) was established in 2008 by The Centro de Modelado Científico (CMC) in collaboration with Climate information applied to agricultural risk management in the Andean countries (CIIFEN). The OA main ...
  • North Tropical Atlantic influence on western Amazon fire season variability 

    Fernandes, K.; Baethgen, W.; Bernardes, S.; Defries, R.; Dewitt, D.G.; Goddard, L.; Lavado-Casimiro, W.; Lee, D.E.; Padoch, C.; Pinedo-Vasquez, M.; Uriarte, M.

    (Blackwell Publishing Ltd, 2011-06)
    Acceso abierto
    The prevailing wet climate in the western Amazon is not favorable to the natural occurrence of fires. Nevertheless, the current process of clearing of humid forests for agriculture and cattle ranching has increased the ...
  • 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 ...
  • Integrated assessment and adaptation to climate change impacts in the Peruvian Andes 

    Salzmann, N.; Huggel, C.; Calanca, P.; Díaz, A.; Jonas, T.; Jurt, C.; Konzelmann, T.; Lagos, P.; Rohrer, M.; Silverio, W.; Zappa, M.

    (Copernicus GmbH, 2009-11)
    Acceso abierto
    The Andes as mountain regions worldwide, provide fundamental resources, not only for the local population. Due to the topographic characteristics, the potential for natural hazards is higher than elsewhere. In these areas, ...
  • 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 ...
  • Impact of the global warming hiatus on Andean temperature 

    Vuille, M.; Franquist, E.; Garreaud, R.; Lavado-Casimiro, W.; Cáceres, B.

    (Wiley-Blackwell, 2015-08)
    Acceso abierto
    The recent hiatus in global warming is likely to be reflected in Andean temperature, given its close dependence on tropical Pacific sea surface temperature (SST). While recent work in the subtropical Andes has indeed ...
  • Facing unprecedented drying of the Central Andes? Precipitation variability over the period AD 1000-2100 

    Neukom, R.; Rohrer, M.; Calanca, P.; Salzmann, N.; Huggel, C.; Acuña, D.; Christie, D.A.; Morales, M.S.

    (Institute of Physics Publishing, 2015-08)
    Acceso abierto
    Projected future trends in water availability are associated with large uncertainties in many regions of the globe. In mountain areas with complex topography, climate models have often limited capabilities to adequately ...
  • Towards implementing climate services in Peru – The project CLIMANDES 

    Rosas, G.; Gubler, S.; Oria, C.; Acuña, D.; Ávalos, G.; Begert, M.; Castillo, E.; Croci-Maspoli, M.; Cubas, F.; Dapozzo, M.; Díaz, A.; van Geijtenbeek, D.; Jacques-Coper, M.

    (Elsevier B.V., 2016-09)
    Acceso abierto
    CLIMANDES is a pilot twinning project between the National Weather Services of Peru and Switzerland (SENAMHI and MeteoSwiss), developed within the Global Framework for Climate Services of the World Meteorological Organization ...
  • 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, J.; Takahashi, K.; Espinoza, J.C.; Vuille, M.; Lavado-Casimiro, W.

    (John Wiley and Sons Ltd, 2018-01)
    Embargado
    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) ...
  • Effects of undetected data quality issues on climatological analyses 

    Hunziker, S.; Brönnimann, S.; Calle, J.; Moreno, I.; Andrade, M.; Ticona, L.; Huerta, A.; Lavado-Casimiro, W.

    (Copernicus GmbH, 2018-01)
    Acceso abierto
    Systematic data quality issues may occur at various stages of the data generation process. They may affect large fractions of observational datasets and remain largely undetected with standard data quality control. This ...
  • Validation and analysis of UV radiation time series collected in different peruvian sites 

    Yamamoto, A.L.C.; Corrêa, M.P.; Ccoyllo, O.R.S.

    (Sociedade Brasileira de Meteorologia, 2018-06)
    Acceso abierto
    We evaluate a set of ultraviolet solar radiation (UVR) measurements collected in six locations in Peru: Ica, Tacna, Moquegua, Arequipa, Cajamarca and Marcapomacocha, whose altitudes vary from sea level to 4479 m. The ...
  • Extreme rainfall forecast with the WRF-ARW model in the Central Andes of Peru 

    Moya-álvarez, A.S.; Gálvez, J.; Holguín, A.; Estevan, R.; Kumar, S.; Villalobos, E.; Martínez-Castro, D.; Silva, Y.

    (MDPI AG, 2018-09)
    Acceso abierto
    The ability of the WRF-ARW (Weather Research and Forecasting-Advanced Research WRF) model to forecast extreme rainfall in the Central Andes of Peru is evaluated in this study, using observations from stations located in ...
  • Summertime precipitation deficits in the southern Peruvian highlands since 1964 

    Imfeld, N.; Barreto Schuler, C.; Correa Marrou, K.M.; Jacques-Coper, M.; Sedlmeier, v; Gubler, S.; Huerta, A.; 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 ...
  • Tropical Pacific observing system 

    Smith, N.; Kessler, W.S.; Cravatte; Sprintall, J.; Wijffels, S.; Cronin, M.F.; Sutton, A.; Serra, Y.L.; Dewitte, B.; Strutton, P.G.; Hill, K.; Gupta, A.S.; Lin, X.; Takahashi, K.; Chen, D.; Brunner, S.

    (Frontiers Media S.A., 2019-02)
    Acceso abierto
    This paper reviews the design of the Tropical Pacific Observing System (TPOS) and its governance and takes a forward look at prospective change. The initial findings of the TPOS 2020 Project embrace new strategic approaches ...
  • Comparative ground validation of IMERG and TMPA at variable spatiotemporal scales in the tropical Andes 

    Manz, v; Páez-Bimos, S.; Horna, N.; Buytaert, W.; Ochoa-Tocachi, v; Lavado-Casimiro, W.; Willems, B.

    (American Meteorological Society, 2017-09)
    Acceso abierto
    An initial ground validation of the Integrated Multisatellite Retrievals for GPM (IMERG) Day-1 product from March 2014 to August 2015 is presented for the tropical Andes. IMERG was evaluated along with the Tropical Rainfall ...

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