• Construction of a high-resolution gridded rainfall dataset for Peru from 1981 to the present day 

      Aybar Camacho, Cesar Luis; Fernández, C.; Huerta, Adrian; Lavado-Casimiro, W.; Vega-Jácome, Fiorella; Felipe-Obando, Oscar

      (Taylor and Francis, 2020)
      Embargado
      A new gridded rainfall dataset available for Peru is introduced, called PISCOp V2.1 (Peruvian Interpolated data of SENAMHI’s Climatological and Hydrological Observations). PISCOp has been developed for the period 1981 to ...
    • A framework for research linking weather, climate and COVID-19 

      Zaitchik, Benjamin F.; Sweijd, Neville; Shumake-Guillemot, Joy; Morse, Andy; Gordon, Chris; Marty, Aileen; Trtanj, Juli; Luterbacher, Juerg; Botai, Joel; Behera, Swadhin; Lu, Yonglong; Olwoch, Jane; Takahashi, Ken; Stowell, Jennifer D.; Rodó, Xavier

      (Nature Research, 2020)
      Acceso abierto
      When COVID-19 began to spread, environmental scientists recognized that the world faced a dangerous upper respiratory viral disease that might exhibit sensitivity to seasonal weather conditions. Many of these scientists ...
    • Towards a more consistent eco-hydrological modelling through multi-objective calibration: a case study in the Andean Vilcanota River basin, Peru 

      Fernández Palomino, Carlos; Hattermann, F.F.; Krysanova, V.; Vega-Jácome, Fiorella; Bronstert, A.

      (Taylor and Francis Ltd., 2020)
      Acceso abierto
      Most hydrological studies rely on a model calibrated using discharge alone. However, judging the model reliability based on such calibration is problematic, as it does not guarantee the correct representation of internal ...
    • 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)
      Embargado
      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 ...
    • Assessment of ECMWF SEAS5 seasonal forecast performance over South America 

      Gubler, S.; Sedlmeier, K.; Bhend, J.; Avalos, Grinia; Coelho, C.A.S.; Escajadillo Fernandez, Yury; Jacques-Coper, M.; Martinez, R.; Schwierz, C.; De Skansi, M.; Spirig, C.

      (American Meteorological Society, 2020-03-11)
      Acceso abierto
      Seasonal predictions have a great socioeconomic potential if they are reliable and skillful. In this study, we assess the prediction performance of SEAS5, version 5 of the seasonal prediction system of the European Centre ...
    • Observed and projected hydroclimate changes in the Andes 

      Pabón-Caicedo, José Daniel; Arias, Paola A.; Carril, Andrea F.; Espinoza, J.C.; Katerina, Goubanova; Lavado-Casimiro, W.; Mariano, Masiokas; Silvina, Solman; Ricardo, Villalba

      (Frontiers, 2020-03-17)
      Acceso abierto
      The Andes is the most biodiverse region across the globe. In addition, some of the largest urban areas in South America are located within this region. Therefore, ecosystems and human population are affected by hydroclimate ...
    • 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 ...
    • 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 ...