Browsing 01. Artículos Científicos by Issue Date
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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 cerradoThe 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 abiertoThe 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 abiertoLa 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 abiertoSystematic 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 abiertoEl 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)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 abiertoIn 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 abiertoHydrological 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 abiertoWe 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 abiertoThe 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 abiertoThe 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 abiertoThe 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 abiertoThe 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 cerradoSeasonal 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 cerradoThe 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 abiertoLos 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, ...