• The influence of station density on climate data homogenization 

      Gubler, S.; Hunziker, Stefan; Begert, M.; Croci-Maspoli, M.; Konzelmann, Thomas; Brönnimann, Stefan; Schwierz, C.; Oria, Clara; Rosas, Gabriela

      (John Wiley and Sons Ltd, 2017-11)
      Relative homogenization methods assume that measurements of nearby stations experience similar climate signals and rely therefore on dense station networks with high-temporal correlations. In developing countries such as ...
    • Particulate matter levels in a South American megacity: the metropolitan area of Lima-Callao, Peru 

      Silva, José; Rojas Quincho, Jhojan Pool; Norabuena Espinoza, Magdalena; Molina, Carolina; Toro, Richard; Leiva-Guzmán, Manuel A.

      (Springer, 2017-11-13)
      Acceso cerrado
      The temporal and spatial trends in the variability of PM10 and PM2.5 from 2010 to 2015 in the metropolitan area of Lima-Callao, Peru, are studied and interpreted in this work. The mean annual concentrations of PM10 and ...
    • Modeling Study of the Particulate Matter in Lima with the WRF-Chem Model: Case Study of April 2016 

      Sánchez Ccoyllo, Odón; Ordoñez Aquino, Carol; Muñoz, Ángel G.; Llacza Rodríguez, Alan; Andrade, María Fátima; Liu, Yang; Reátegui-Romero, Warren; Brasseur, Guy

      (Petra Christian University, 2018)
      Acceso abierto
      The Weather Research and Forecasting-Chemistry (WRFChem) model was used to develop an operational air quality forecast system for the Metropolitan Area of Lima-Callao (MALC), Peru, that is affected by high particulate ...
    • Caracterización química - morfológica del PM2,5 en Lima metropolitana mediante microscopía electrónica de barrido (MEB) 

      Ordóñez Aquino, Carol; Sánchez Ccoyllo, Odón

      (Universidad Católica Boliviana San Pablo, 2018)
      Acceso abierto
      La cuantificación de las concentraciones de los contaminantes criterio ha comprobado que el problema en la ciudad de Lima radica en las altas concentraciones de material particulado, siendo de mayor interés el material ...
    • Effects of undetected data quality issues on climatological analyses 

      Hunziker, Stefan; Brönnimann, Stefan; Calle, J.; Moreno, Isabel; Andrade, Marcos; Ticona, Laura; Huerta, Adrian; 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 ...
    • 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) ...
    • Recent changes in monthly surface air temperature over Peru, 1964–2014 

      Vicente-Serrano, S.M.; López-Moreno, J.I.; Correa, Kris; Avalos, Grinia; Bazo, Juan; Azorín-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 ...
    • Temporal variability and annual budget of inorganic dissolved matter in Andean Pacific Rivers located along a climate gradient from northern Ecuador to southern Peru 

      Moquet, J.S.; Guyot, J.L.; Morera, S.; Crave, A.; Rau, P.; Vauchel, P.; Lagane, C.; Sondag, F.; Lavado-Casimiro, W.; Pombosa, R.; Martinez, J.-M.

      (Elsevier Masson SAS, 2018-02)
      Acceso abierto
      In Ecuador and Peru, geochemical information from Pacific coastal rivers is limited and scarce. Here, we present an unedited database of major element concentrations from five HYBAM observatory stations monitored monthly ...
    • Assessing hydrological changes in a regulated river system over the last 90 years in Rimac Basin (Peru) 

      Vega-Jácome, Fiorella; Lavado-Casimiro, W.; Felipe-Obando, Oscar

      (Springer-Verlag Wien, 2018-04)
      Acceso abierto
      Hydrological changes were assessed considering possible changes in precipitation and regulation or hydraulic diversion projects developed in the basin since 1960s in terms of improving water supply of the Rimac River, which ...
    • 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 ...
    • Radar-Observed Characteristics of Precipitation in the Tropical High Andes of Southern Peru and Bolivia 

      Endries, J. L.; Perry, L. B.; Yuter, S. E.; Seimon, Anton; Andrade, Marcos; Winkelmann, Ronald; Quispe, Nelson; Rado, Maxwell; Montoya, Nilton; Velarde, Fernando; Arias, S.

      (American Meteorological Society, 2018-07-06)
      This study used the first detailed radar measurements of the vertical structure of precipitation obtained in the central Andes of southern Peru and Bolivia to investigate the diurnal cycle and vertical structure of ...
    • Ozone and volatile organic compounds in the metropolitan area of Lima-Callao, Peru 

      Silva, José; Rojas Quincho, Jhojan Pool; Norabuena Espinoza, Magdalena; Seguel, Rodrigo J.

      (Springer, 2018-07-26)
      This study analyzes ozone formation in the metropolitan area of Lima-Callao as a function of meteorological patterns and the concentrations of nitrogen oxides and reactive organic gases. The study area is located on the ...
    • 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 ...
    • 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 ...
    • 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 ...
    • 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, Yamina

      (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 ...
    • OZCAR: The French network of critical zone observatories 

      Gaillardet, J.; Braud, I.; Hankard, F.; Anquetin, S.; Bour, O.; Dorfliger, N.; de Dreuzy, J.R.; Galle, S.; Galy, C.; Gogo, S.; Gourcy, L.; Habets, F.; Laggoun, F.

      (Soil Science Society of America, 2018-11)
      Acceso abierto
      The French critical zone initiative, called OZCAR (Observatoires de la Zone Critique–Application et Recherche or Critical Zone Observatories–Application and Research) is a National Research Infrastructure (RI). OZCAR-RI ...
    • Mapping seasonal and annual extreme precipitation over the Peruvian Andes 

      Domínguez-Castro, F.; Vicente-Serrano, S.M.; López-Moreno, J.I.; Correa, Kris; Avalos, Grinia; 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)
      Acceso cerrado
      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, 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 ...
    • Escenarios futuros de cambio climático desde modelos globales para localidades de los Andes centrales 

      Acuña, Delia; Flores Villanueva, Weidi; Llacza Rodríguez, Alan; Rorher, Mario

      (Universidad Nacional Agraria la Molina, 2019)
      Acceso abierto
      Los posibles cambios en el comportamiento de la temperatura y precipitación para 2016-2045, relativos al período 1971-2000, en las localidades de Urubamba y granja Kcayra, ubicadas en Cusco, Andes centrales de Sudamérica, ...