Artículo científico: Recent submissions
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A multi-objective approach to select hydrological models and constrain structural uncertainties for climate impact assessments
Saavedra, Danny; Mendoza, Pablo A.; Addor, Nans; Llauca, Harold; Vargas, Ximena
(John Wiley and Sons, 2021-12)The assessment of climate change impacts on water resources and flood risk is typically underpinned by hydrological models calibrated and selected based on observed streamflow records. Yet, changes in climate are rarely ... -
Climate Change Impact on Peruvian Biomes
Zevallos, Jose; Lavado-Casimiro, W.
(MDPI, 2022-02)Acceso abiertoThe biodiversity present in Peru will be affected by climatic and anthropogenic changes; therefore, understanding these changes will help generate biodiversity conservation policies. This study analyzes the potential ... -
Participatory action research for conservation and development: Experiences from the Amazon
Perz, S.G.; Arteaga, Marliz; Baudoin, Farah A.; Brown, I.F.; Huaman Mendoza, Elsa; de Paula, Y.A.P.; Perales Yabar, Leonor Mercedes; Santos Pimentel, Alan; Ribeiro, Sabina C.; Rioja-Ballivián, G.; Rosero Peña, Martha; Sanjinez L., L. Cecilia; Selaya G., N. Galia
(MDPI AG, 2022-01)Acceso abiertoResearch that features participation and action orientation, such as participatory action research (PAR), is especially valuable in contexts where there is rapid change, high social inequality, and great uncertainty about ... -
The Energy and Mass Balance of Peruvian Glaciers
Fyffe, C.L.; Potter, E.; Fugger, S.; Orr, A.; Fatichi, Simone; Loarte, Edwin; Medina, Katy; Hellström, R.Å.; Bernat, M.; Aubry-Wake, Caroline; Gurgiser, W.; Perry, L. B.; Suarez, Wilson; Quincey, D.J.; Pellicciotti, F.
(John Wiley & Sons, 2021-12)Acceso abiertoPeruvian glaciers are important contributors to dry season runoff for agriculture and hydropower, but they are at risk of disappearing due to climate change. We applied a physically based, energy balance melt model at five ... -
Evolution of the tropical response to periodic extratropical thermal forcing
Shin, Y.; Kang, S.M.; Takahashi, Ken; Stuecker, M.F.; Hwang, Y.-T.; Kim, D.
(American Meteorological Society, 2021-08)This study examines the temporal evolution of the extratropically forced tropical response in an idealized aquaplanet model under equinox condition. We apply a surface thermal forcing in the northern extratropics that ... -
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 abiertoHeavy 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 ... -
Climatic control on eastern Andean denudation rates (Central Cordillera from Ecuador to Bolivia)
Pepin, E.; Guyot, J.L.; Armijos, E.; Bazan, H.; Fraizy, Pascal; Moquet, J.S.; Noriega, L.; Lavado-Casimiro, W.; Pombosa, R.; Vauchel, P.
(Elsevier, 2013-07)Acceso cerradoThe suspended sediment yield and associated current denudation rates of eight large catchments located along the eastern range of the central Andes have been determined. The catchments have been chosen as mountainous and ... -
Cl and Na Fluxes in an Andean Foreland Basin of the Peruvian Amazon: An Anthropogenic Impact Evidence
Moquet, Jean-Sébastien; Maurice, Laurence; Crave, Alain; Viers, Jérôme; Arevalo, Nore; Lagane, C.; Lavado-Casimiro, W.; Guyot, J.L.
(Springer, 2014-09-14)Acceso abiertoThe dissolved load of the Amazon River is generally considered to be lowlyimpacted by anthropogenic activities. In this work, based on the chemical and hydrologicaldatabase of the Environmental Research Observatory—HYBAM ... -
Rainfall hotspots over the southern tropical Andes: Spatial distribution, rainfall intensity, and relations with large-scale atmospheric circulation
Espinoza, J.C.; Chavez, Steven; Ronchail, Josyane; Junquas, Clémentine; Takahashi, Ken; Lavado-Casimiro, W.
(American Geophysical Union, 2015-05-11)Acceso abiertoThe Andes/Amazon transition is among the rainiest regions of the world and the interactionsbetween large-scale circulation and the topography that determine its complex rainfall distribution remainpoorly known. This work ... -
Low-frequency modulation and trend of the relationship between ENSO and precipitation along the northern to centre Peruvian Pacific coast
Bourrel, L.; Rau, Pedro; Dewitte, Boris; Labat, David; Lavado-Casimiro, W.; Coutaud, Aude; Vera, Andrea; Alvarado, Abigail; Ordóñez Gálvez, Juan Julio
(John Wiley and Sons, 2014-05-21)Acceso abiertoThe relationship between El Niño Southern Oscillation (ENSO) and precipitation along the Peruvian Pacific coast is investigated over 1964–2011 on the basis of a variety of indices accounting for the different types of El ... -
Measurements of sulfur dioxide,ozone and ammonia concentrations in Asia,Africa,and South America using passive samplers
Carmichae, Gregory R.; Ferm, Martin; Thongboonchoo, Narisara; Woo, Jung-Hun; Chanc, L.Y.; Muranod, Kentaro; Viet, Pham Hung; Mossberg, ,Carl; Bala, Rajasekhlar; Boonjawat, Jariya; Upatum, Pramote; Mohan, Manju; Adhikary, Sharad P.; Shrestha, ,Arun B.; Pienaar, J.J.; Brunke, Ernst B.; Chen, ,Tai; Jiep, Tang; Guoan, Ding; Leong Chow, Peng; Dhiharto, Sri; Harjanto, Hery; Jose, Aida M.; Wilson, Kimani; Kirouane, Abdelmalek; Lacaux, Jean-Pierre; Richard, Sandrine; Barturen, Osvaldo; Carrasco Cerda, Jorge; Athayde, Augusto; Tavares, Tania; Silva Cotrina, José; Bilici, Erdal
(Elsevier, 2003)Acceso abiertoMeasurements of gaseous SO2,NH3,and O3 using IVL passive sampler technology were obtained during a pilot measurement program initiated as a key component of the newly established WMO/GAW Urban Research Meteorology and ... -
Atmospheric transmissivity: distribution and empirical estimation around the central Andes
Baigorria, Guillermo; Villegas, Esequiel B.; Trebejo, Irene; Carlos, Jose F.; Quiroz, Roberto
(John Wiley & Sons, 2004)Acceso abiertoThis study of the distribution in space and time of atmospheric transmissivity τ takes into account the fact that, in complex terrain, many factors affect this variable; thus, it is not possible to use the generalizations ... -
PISCO_HyM_GR2M: A Model of Monthly Water Balance in Peru (1981–2020)
Llauca, Harold; Lavado-Casimiro, W.; Montesinos Cáceres, Cristian Albert; Santini, W.; Rau, Pedro
(MDPI AG, 2021-04-10)Acceso abiertoQuantification of the surface water offer is crucial for its management. In Peru, the low spatial density of hydrometric stations makes this task challenging. This work aims to evaluate the hydrological performance of a ... -
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 abiertoCutoff 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 ... -
From drought to flooding: understanding the abrupt 2010-11 hydrological annual cycle in the Amazonas River and tributaries
Espinoza, J.C.; Ronchail, Josyane; Guyot, J.L.; Junquas, Clémentine; Guillaume, Drapeau; Martinez, Jean Michel; William, Santini; Philippe, Vauchel; Lavado-Casimiro, W.; Ordóñez Gálvez, Juan Julio; Espinoza-Villar, R.
(Institute of Physics Publishing, 2012-01)Acceso abiertoIn 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, E.; Crave, Alain; Vauchel, Philippe; Fraizy, Pascal; Santini, W.; Moquet, Jean-Sèbastien; Arevalo, Nore; Carranza, Jorge; Guyot, J.L.
(Elsevier, 2013-07)Acceso cerradoThe 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 abiertoTwo 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, Luis; Vasquez-Apestegui, Vanessa; Lopman, Benjamin; Clasen, Thomas; Gonzales, Gustavo F.; Steenland, Kyle; Levy, Karen
(BioMed Central Ltd, 2021-02-26)Acceso abiertoBackground: 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 C.; Traverso-Yucra, Kevin Arnold; Rau, Pedro
(MDPI AG, 2021-02-23)Acceso abiertoThis 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 abiertoThis 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 ...