Listar 01. Artículos Científicos por fecha de publicación

    • Dry season circulation-type classification applied to precipitation and temperature in the Peruvian Andes 

      Bonshoms, Marti; Álvarez‐Garcia, Francisco J.; Ubeda, Jose; Cabos, William; Quispe Vega, Kelita; Liguori, Giovanni

      (John Wiley and Sons, 2020-04-07)
      Embargado
      We present the first systematic classification of circulation regimes that characterize the Tropical Andes during the dry season (May–August). We apply the hierarchical k-means clustering method to ERA-Interim reanalysis ...

    • 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 ...

    • A combined view on precipitation and temperature climatology and trends in the southern Andes of Peru 

      Imfeld, Noemi; Sedlmeier, Katrin; Gubler, Stefanie; Correa, Kris; Davila Arriaga, Cristina; Huerta, Adrian; Lavado-Casimiro, W.; Rohrer, M.; Scherrer, Simon C.; Schwierz, Cornelia

      (John Wiley and Sons, 2020-05-13)
      Acceso abierto
      In the southern Peruvian Andes, communities are highly dependent on climatic conditions due to the mainly rain-fed agriculture and the importance of glaciers and snow melt as a freshwater resource. Longer-term trends 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)
      Embargado
      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 ...

    • Trends and variability of precipitation extremes in the Peruvian Altiplano (1971–2013) 

      Huerta, Adrian; Lavado-Casimiro, W.

      (John Wiley and Sons, 2020-05-24)
      Embargado
      Precipitation extremes have been investigated throughout the last decades in different regions of the Andes. However, little attention has been paid to the Altiplano region (Central Andes), especially to the Peruvian ...

    • Association Between Air Pollution in Lima and the High Incidence of COVID-19: Findings from a Post Hoc Analysis 

      Vasquez-Apestegui, Vanessa; Parras-Garrido, Enrique; Tapia, Vilma; Paz-Aparicio, Valeria M.; Rojas Quincho, Jhojan Pool; Sánchez-Ccoyllo, Odón R.; Gonzales, Gustavo F.

      (PubMed Central, 2020-07)
      Acceso abierto
      Until June 12, 2020, there were 6,308 deaths and 220,749 SARS-CoV-2 positive cases in Peru. In Lima, the total number of COVID-19 deaths in all metropolitan areas was 2,382. The case-fatality rate at the national level ...

    • Precipitation diurnal cycle assessment of satellite-based estimates over Brazil 

      Afonso, J.M.S.; Vila, D.A.; Gan, M.A.; Quispe, D.P.; Barreto, N.J.C.; Huamán, Joao; Palharini, R.S.A.

      (MDPI AG, 2020-07-21)
      Acceso abierto
      The main objective of this study is to assess the ability of several high-resolution satellite-based precipitation estimates to represent the Precipitation Diurnal Cycle (PDC) over Brazil during the 2014–2018 period, after ...

    • Attribution of Amazon floods to modes of climate variability: A review 

      Towner, Jamie; Cloke, Hannah L.; Santini, W.; Bazo, Juan; Coughlan de Perez, Erin; Stephens, Elisabeth M.

      (John Wiley & Sons, 2020-08)
      Acceso abierto
      Anomalous conditions in the oceans and atmosphere have the potential to beused to enhance the predictability of flood events, enabling earlier warnings toreduce risk. In the Amazon basin, extreme flooding is consistently ...

    • 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 ...

    • Mechanisms of tropical precipitation biases in climate models 

      Kim, Hanjun; Kang, Sarah M.; Takahashi, Ken; Donohoe, Aaron; Pendergrass, Angeline G.

      (Springer, 2020-10-27)
      Embargado
      We investigate the possible causes for inter-model spread in tropical zonal-mean precipitation pattern, which is divided into hemispherically symmetric and anti-symmetric modes via empirical orthogonal function analysis. ...

    • Chemical characteristics and identification of PM10 sources in two districts of Lima, Peru 

      Ilizarbe-Gonzáles, Gina Mishel; Rojas Quincho, Jhojan Pool; Cabello-Torres, Rita Jaqueline; Ugarte-Alvan, Carlos Alfred; Reynoso-Quispe, Patricia; Valdiviezo-Gonzales, Lorgio Gilberto

      (Universidad Nacional de Colombia, 2020-11)
      Acceso abierto
      This study evaluates the concentration of PM10 and PM2.5 andidentifies the sources of pollution in the districts of San Juan de Lurigancho (SJL) and Puente Piedra (PPD) located in the eastern and northern zones of the ...

    • Regional parameter estimation of the SWAT model: methodology and application to river basins in the Peruvian Pacific drainage 

      Asurza Véliz, Flavio Alexander; Lavado-Casimiro, W.

      (MDPI AG, 2020-11-16)
      Acceso abierto
      This study presents a methodology for the regional parameters estimation of the SWAT (Soil and Water Assessment Tool) model, with the objective of estimating daily flow series in the Pacific drainage under the context of ...

    • Twinning SENAMHI and MeteoSwiss to co-develop climate services for the agricultural sector in Peru 

      Gubler, S.; Rossa, Andrea; Avalos, Grinia; Brönnimann, Stefan; Cristobal, Katy; Croci-Maspoli, M.; Dapozzo, M.; van der Elst, A.; Escajadillo Fernandez, Yury; Flubacher, Moritz; Garcia, T.; Imfeld, N.; Konzelmann, T.; Lechthaler, F.; Liniger, M.; Quevedo Caiña, Karim; Ramos, Hugo; Rohrer, M.; Schwierz, C.; Sedlmeier, K.; Spirig, C.; de Ventura, S.; Wüthrich, B.

      (Elsevier B.V., 2020-12-06)
      Acceso abierto
      The development and dissemination of weather and climate information is crucial to improve people's resilience and adaptability to climate variability and change. The impacts of climate variability and change are generally ...

    • Association between air pollution in Lima and the high incidence of COVID-19: findings from a post hoc analysis 

      Vasquez-Apestegui, Bertha; Parras-Garrido, Enrique; Tapia, Vilma; Paz-Aparicio, Valeria M.; Rojas Quincho, Jhojan Pool; Sanchez-Ccoyllo, Odón R.; Gonzales, Gustavo F.

      (BioMed Central Ltd, 2021)
      Acceso abierto
      Background: Coronavirus disease 2019 (COVID-19) originated in the People’s Republic of China in December 2019. Thereafter, a global logarithmic expansion of cases occurred. Some countries have a higher rate of infections ...

    • The Effect of COVID-19 Lockdowns on the Air Pollution of Urban Areas of Central and Southern Chile 

      Morales-Solís, Karina; Ahumada, Hernán; Rojas Quincho, Jhojan Pool; Urdanivia Lermo, Francesco Renato; Catalán, Francisco; Claramunt, Tomas; Toro A., Richard; Manzano, Carlos A.; Leiva-Guzmán, Manuel A.

      (AAGR Aerosol and Air Quality Research, 2021)
      Acceso abierto
      We present the effects of the confinement and physical distancing policies applied during the COVID-19 pandemic on the concentrations of PM10, PM2.5, NO, NO2 and O3 in 16 cities in central and southern Chile. The period ...

    • Updating regionalization of precipitation in Ecuador 

      Ilbay-Yupa, Mercy; Lavado-Casimiro, W.; Rau, Pedro; Zubieta, Ricardo; Castillón, Fiorela

      (Springer, 2021-01-07)
      Acceso abierto
      This article identifies homogeneous precipitation regions in Ecuador and their relationship to the El Niño-Southern Oscillation (ENSO), using monthly records from 215 rain stations for the 1968–2014 period. A k-means ...

    • Air pollution and COVID-19 lockdown in a large South American city: Santiago Metropolitan Area, Chile 

      Toro, Richard; Catalán, Francisco; Urdanivia Lermo, Francesco Renato; Rojas Quincho, Jhojan Pool; Manzano, Carlos A.; Seguel, Rodrigo; Gallardo, Laura; Osses, Mauricio; Pantoja, Nicolás; Leiva-Guzmán, Manuel A.

      (Elsevier B.V., 2021-02)
      Acceso abierto
      The implementation of confinement and physical distancing measures to restrict people's activities and transit in the midst of the COVID-19 pandemic allowed us to study how these measures affect the air quality in urban ...

    • Effects of COVID-19 pandemic control measures on air pollution in Lima metropolitan area, Peru in South America 

      Rojas Quincho, Jhojan Pool; Urdanivia Lermo, Francesco Renato; Garay Saravia, Roy Antonio; García Rosales, Alan Jesús; Enciso Ojeda, Carlos; Medina Dionicio, Elvis Anthony; Toro, Richard; Manzano, Carlos A.; Leiva-Guzmán, Manuel A.

      (Springer, 2021-02-04)
      Acceso abierto
      The sanitary measures implemented to control and prevent an increase in infections due to the COVID-19 pandemic have produced an improvement in the air quality of many urban areas around the world. We assessed air quality ...

    • Cutoff low over the southeastern Pacific Ocean: a case study 

      Quispe, Nelson; Aliaga Nestares, Vannia; Rodríguez Zimmermann, Diego; Bonshoms, Marti; Loayza, Raquel; García, Teresa; Mesia, José; Duran, Ricardo; Olivares, Sara

      (CSIRO, 2021-02-17)
      Acceso abierto
      Cutoff lows (COLs) are infrequent events in the tropics that can cause extreme rainfall, flash flooding and landslides in arid areas, such as western South America. In this study, the life cycle of a COL in the southeastern ...

    • Assessing near real-time satellite precipitation products for flood simulations at sub-daily scales in a sparsely gauged watershed in Peruvian andes 

      Llauca, Harold; Lavado-Casimiro, W.; León, Karen; Jimenez, Juan C.; Traverso-Yucra, Kevin Arnold; Rau, Pedro

      (MDPI AG, 2021-02-23)
      Acceso abierto
      This study investigates the applicability of Satellite Precipitation Products (SPPs) in near real-time for the simulation of sub-daily runoff in the Vilcanota River basin, located in the southeastern Andes of Peru. The ...