• A critical assessment of the JULES land surface model hydrology for humid tropical environments 

      Zulkafli, Z.; Buytaert, W.; Onof, C.; Lavado-Casimiro, W.; Guyot, J.L.

      (Hydrology and Earth System Sciences (HESS), 2013-01)
      Acceso abierto
      Global land surface models (LSMs) such as the Joint UK Land Environment Simulator (JULES) are originally developed to provide surface boundary conditions for climate models. They are increasingly used for hydrological ...
    • Current state of glaciers in the tropical Andes: A multi-century perspective on glacier evolution and climate change 

      Sicart, J.-E.; Huggel, C.; Scheel, M.; Lejeune, Y.; Arnaud, Y.; Collet, M.; Condom, T.; Consoli, G.; Favier, V.; Jomelli, V.; Galarraga, R.; Ginot, P.; Maisincho, L.; Mendoza, J.; Ménégoz, M.; Ramirez, E.; Ribstein, P.; Suarez, Wilson; Villacís, M.; Wagnon, P.

      (Copernicus publications, 2013-01-22)
      Acceso abierto
      The aim of this paper is to provide the community with a comprehensive overview of the studies of glaciers in the tropical Andes conducted in recent decades leading to the current status of the glaciers in the context of ...
    • 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 ...
    • 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 ...
    • A data portal for regional climatic trend analysis in a Peruvian High Andes region 

      Schwarb, M.; Acuña, Delia; Konzelmann, Thomas; Rohrer, M.; Salzmann, N.; Serpa Lopez, B.; Silvestre, E.

      (Copernicus Publications, 2011-08-16)
      Acceso abierto
      In the frame of a Swiss-Peruvian climate change adaptation initiative (PACC), operational and historical data series of more than 100 stations of the Peruvian Meteorological and Hydrological Service (SENAMHI) are now ...
    • Decadal changes in glacier parameters in the Cordillera Blanca, Peru, derived from remote sensing 

      Racoviteanu, A.E.; Arnaud, Y.; Williams, M.W.; Ordóñez Gálvez, Juan Julio

      (Cambridge University Press, 2008-06)
      Acceso abierto
      We present spatial patterns of glacier fluctuations from the Cordillera Blanca, Peru, (glacier area, terminus elevations, median elevations and hypsography) at decadal timescales derived from 1970 aerial photography, 2003 ...
    • Determination of anthropogenic and biogenic compounds on atmospheric aerosol collected in urban, biomass burning and forest areas in São Paulo, Brazil 

      Vasconcellos, P.; Souza, D.Z.; Sánchez Ccoyllo, Odón; Bustillos, J.O.V.; Lee, H.; Santos, F.C.; Nascimento, K.H.; Araújo, M.P.; Saarnio, K.

      (Elsevier B.V., 2010-11)
      Acceso cerrado
      This study was conducted at three sites of different characteristics in São Paulo State: São Paulo (SPA), Piracicaba (PRB) and Mata Atlântica Forest (MAT). PM10, n-alkanes, pristane and phytane, PAHs, water-soluble ions ...
    • Determination of atmospheric aerosol components in an urban area to evaluate the air quality and identify the sources of contamination 

      Bedregal, Patricia; Ubillus, Marco; Cáceres-Rivero, Cynthia; Olivera, Paula; Garay Saravia, Roy Antonio; Rojas Quincho, Jhojan Pool; Zafra, Rafael; Urdanivia Lermo, Franceso Renato

      (Springer, 2023-02-15)
      Acceso abierto
      The need to generate objective evidence and reliable information for decision makers to improve environmental policies for a better air quality, led us to evaluate the atmospheric aerosol components in the urban area of ...
    • Determining payments for watershed services by hydro-economic modeling for optimal water allocation between agricultural and municipal water use 

      Haavisto, R.; Santos, Darwin; Perrels, A.

      (Elsevier B.V., 2019-04)
      Acceso abierto
      Evergrowingdemandforagriculturalandmunicipalwater,causedbypopulationgrowthandtheneedtofeedtheworld,aswellasincreasingstressoverwaterbodiescraveforefficientandsustainablewatermanagement.Especiallyinareaswheremunicipalanda ...
    • Determining the geodetic mass balance of the Znosko glacier (King George Island, Antarctica) using an unmanned aerial vehicle 

      Bello, Cinthya; Suarez, Wilson; Brondi, Fabian

      (Taylor and Francis Ltd., 2023-01-09)
      Acceso abierto
      In the last decade, unmanned aerial vehicles (UAVs) have been used for scientific research specially for glaciological applications in Antarctica. In the study an UAV was used to detect changes in Znosko glacier surface, ...
    • Discharge simulation in the sub-basins of the Amazon using ORCHIDEE forced by new datasets 

      Guimberteau, M.; Drapeau, G.; Ronchail, J.; Sultan, B.; Polcher, J.; Martinez, J.-M.; Prigent, C.; Guyot, J.L.; Cochonneau, G.; Espinoza, J.C.; Filizola, N.; Fraizy, Pascal; Lavado-Casimiro, W.; De Oliveira, E.; Pombosa, R.; Noriega, L.; Vauchel, P.

      (Copernicus GmbH, 2012-03)
      Acceso abierto
      The aim of this study is to evaluate the ability of the ORCHIDEE land surface model to simulate streamflows over each sub-basin of the Amazon River basin. For this purpose, simulations are performed with a routing module ...
    • Downscaling climate projections for the Peruvian coastal Chancay-Huaral Basin to support river discharge modeling with WEAP 

      Olsson, T.; Kämäräinen, M.; Santos, Darwin; Seitola, T.; Tuomenvirta, H.; Haavisto, R.; Lavado-Casimiro, W.

      (Elsevier B.V., 2017-10)
      Acceso abierto
      Study region The Chancay-Huaral (CH) coastal river basin in the Lima Region, Peru, between the Pacific Ocean and the Andean Cordillera. Study focus Climate change impacts on annual and monthly discharges in the CH Basin ...
    • 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 ...
    • Early warning systems: The "last mile" of adaptation 

      Huggel, C.; Rohrer, M.; Calanca, v; Salzmann, N.; Vergara, W.; Quispe, Nelson; Ceballos, J.L.

      (American Geophysical Union, 2012-09)
      Acceso abierto
      Recent scientific assessment studies of climate change impacts, including those from the Intergovernmental Panel on Climate Change, provide evidence of the negative effects of climate variability and change on natural and ...
    • Editorial : Tropical Climate Variability and Change: Impacts in the Amazon 

      Jimenez, Juan C.; Takahashi, Ken

      (Frontiers in Earth Science, 2019-08-26)
      Vast amounts of data from satellites and ground-based systems, and improvements on modeling techniques, allows a better understanding of Earth processes and advances on climate science. The tropics play a key role on global ...
    • 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 ...
    • 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 ...
    • ENSO impact on hydrology in Peru 

      Lavado-Casimiro, W.; Felipe-Obando, Oscar; Silvestre, E.; Bourrel, V.

      (Copernicus GmbH, 2013-04)
      Acceso abierto
      The El Niño and La Niña impacts on the hydrology of Peru were assessed based on discharge data (1968-2006) of 20 river catchments distributed over three drainage regions in Peru: 14 in the Pacific Coast (PC), 3 in the Lake ...
    • An environmental watch system for the andean countries: El observatorio andino 

      Muñoz, Ángel G.; López, P.; Velásquez, R.; Monterrey, L.; León, G.; Ruiz, F.; Recalde, C.; Cadena, J.; Mejía, R.; Paredes, M.; Bazo, Juan

      (American Meteorological Society, 2010-09)
      Acceso abierto
      Observatorio Andino (OA) was established in 2008 by The Centro de Modelado Científico (CMC) in collaboration with Climate information applied to agricultural risk management in the Andean countries (CIIFEN). The OA main ...
    • Escenarios de cambio climático con modelos regionales sobre el altiplano peruano (Departamento de Puno) 

      Sanabria Quispe, Janeet; Marengo, José A.; Valverde, Maria

      (Servicio Nacional de Meteorología e Hidrología del Perú, 2009)
      Acceso abierto
      El Altiplano peruano (Departamento de Puno) es considerado una de las zonas más sensibles y perturbadas por la variabilidad climática con implicancias en las actividades del sector agropecuario, hidroeléctrico, minero, ...