Recent Submissions

  • From drought to flooding: understanding the abrupt 2010-11 hydrological annual cycle in the Amazonas River and tributaries 

    Espinoza, Jhan Carlo; Ronchail, Josyane; Guyot, Jean Loup; Junquas, Clementine; Guillaume, Drapeau; Martinez, Jean Michel; William, Santini; Philippe, Vauchel; Lavado-Casimiro, W.; Ordoñez, Julio; Espinoza, Raúl

    (Institute of Physics Publishing, 2012-01)
    Acceso abierto
    In this work we document and analyze the hydrological annual cycles characterized by a rapid transition between low and high flows in the Amazonas River (Peruvian Amazon) and we show how these events, which may impact ...
  • Suspended sediment dynamics in the Amazon River of Peru 

    Armijos, Elisa; Crave, Alain; Vauchel, Philippe; Fraizy, Pascal; Santini, William; Moquet, Jean-Sèbastien; Arevalo, Nore; Carranza, Jorge; Guyot, Jean-Loup

    (Elsevier, 2013-07)
    Acceso cerrado
    The erosion and transport of sediments allow us to understand many activities of significance, such as crust evolution, climate change, uplift rates, continental processes, the biogeochemical cycling of pollutants and ...
  • Two Contrasting Severe Seasonal Extremes in Tropical South America in 2012: Flood in Amazonia and Drought in Northeast Brazil 

    Marengo, José A.; Alves, Lincoln M.; Soares, W.R.; Rodriguez, D.A.; Camargo, H.; Riveros, M.P.; Pabló, A.D.

    (American Meteorological Society, 2013-11)
    Acceso abierto
    Two simultaneous extreme events affected tropical South America to the east of the Andes during the austral summer and fall of 2012: a severe drought in Northeast Brazil and intense rainfall and floods in Amazonia, both ...
  • Meteorological factors and childhood diarrhea in Peru, 2005–2015: a time series analysis of historic associations, with implications for climate change 

    Delahoy, Miranda J.; Cárcamo, César; Huerta, Adrian; Lavado-Casimiro, W.; Escajadillo Fernandez, Yury; Ordoñez, Luís; Vasquez, Vanessa; Lopman, Benjamin; Clasen, Thomas; Gonzales, Gustavo F.; Steenland, Kyle; Levy, Karen

    (BioMed Central Ltd, 2021-02-26)
    Acceso abierto
    Background: Global temperatures are projected to rise by ≥2 °C by the end of the century, with expected impacts on infectious disease incidence. Establishing the historic relationship between temperature and childhood ...
  • 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; Traverso, Kevin; 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 ...
  • 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 A., Richard; Catalán, Francisco; Urdanivia Lermo, Francesco Renato; Rojas Quincho, Jhojan Pool; Manzano, Carlos A.; Seguel, Rodrigo; Gallardo, Laura; Osses, Mauricio; Pantoja, Nicolás; Leiva-Guzman, 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 ...
  • 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 ...
  • 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 A.; Manzano, Carlos; 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 ...
  • 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 

    Fernandez-Palomino, C.A.; Hattermann, F.F.; Krysanova, V.; Vega-Jácome, F.; 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 ...
  • Twinning SENAMHI and MeteoSwiss to co-develop climate services for the agricultural sector in Peru 

    Gubler, S.; Rossa, A.; Ávalos, Grinia; Brönnimann, Stefan; Cristobal, Katy; Croci-Maspoli, M.; Dapozzo, M.; van der Elst, A.; Escajadillo Fernandez, Yury; Flubacher, M.; Garcia, T.; Imfeld, N.; Konzelmann, T.; Lechthaler, F.; Liniger, M.; Quevedo, 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 ...
  • 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 ...
  • 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 ...
  • Mechanisms of tropical precipitation biases in climate models 

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

    (Springer, 2020-10-27)
    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. ...
  • A simple model for minimum crop temperature forecasting during nocturnal cooling 

    Lhomme, J.P.; Guilioni, L.

    (Elsevier, 2004)
    Acceso cerrado
    A simple mechanistic model is developed to forecast the minimum temperature reached by the aerial elements of a crop during nocturnal cooling. The model, whose inputs are meteorological data registered at sunset, has two ...
  • Updated analyses of temperature and precipitation extreme indices since the beginning of the twentieth century: The HadEX2 dataset 

    Donat, M. G.; Alexander, L. V.; Yang, H.; Durre, I.; Vose, R.; Dunn, R. J. H.; Willett, K. M.; Aguilar, E.; Brunet, M.; Caesar, J.; Hewitson, B.; Jack, C.; Klein Tank, A. M. G.; Kruger, A. C.; Marengo, J.; Peterson, T. C.; Renom, M.; Oria Rojas, C.; Rusticucci, M.; Salinger, J.; Elrayah, A. S.; Sekele, S. S; Srivastava, A. K.; Trewin, B.; Villarroel, C.; Vincent, L. A.; Zhai, P.; Zhang, X.; Kitching, S.

    (Wiley-Blackwell, 2013-03-04)
    Acceso abierto
    In this study, we present the collation and analysis of the gridded land-based dataset ofindices of temperature and precipitation extremes: HadEX2. Indices were calculated based onstation data using a consistent approach ...
  • Can artificial neural networks estimate potential evapotranspiration in Peruvian highlands? 

    Laqui, Wilber; Zubieta, Ricardo; Rau, P.; Mejía, Abel; Lavado-Casimiro, W.; Ingol, Eusebio

    ( John Wiley and Sons , 2019-09-26)
    Evapotranspiration (ETo) is one of the most important variables of the water cycle when water requirements for irrigation, water resource planning or hydrological applications are analyzed. In this context, models based ...
  • 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.; Chinchay, J.H.H.; 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 ...
  • 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)
    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 ...

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