RSS 1.001. Artículos Científicos
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Climatic thresholds associated with increased dengue incidence across climate zones in Peru (2001-2022)
Laura, Wil; Rivera, Patricia; Davila, Cristina; Velasquez, Pierre; Mateo, Susan; Yon, Carmen; Valderrama, Betsabet; Vargas, Tania Ita
(Elsevier, 2025)Acceso abiertoDengue fever has experienced a global rise in incidence and distribution, largely influenced by climate variability. Nonetheless, the specific climatic thresholds that trigger elevated dengue incidence rates, and the time ... -
Bayesian calibration of a 2D hydraulic model using a convolutional neural network emulator
Zevallos, Jose; Zevallos, J.; Chávarri-Velarde, Eduardo; Gutierrez, Ronald R.; Lavado-Casimiro, W.
(Elsevier, 2025)Acceso abiertoThis study presents a Bayesian calibration framework for 2D hydraulic models using convolutional neural networks (CNNs) as surrogate emulators of TELEMAC-2D. Applied to the Lower Piura River Basin in northern Peru, the ... -
Zonificación agrícola de riesgos climáticos para el cultivo de quinua (Chenopodium quinoaWilld) en el Altiplano Peruano
Yzarra Tito, Wilfredo Julián; Machaca, Oscar; Peña, Angela; Zolezzi, Angelo; Anccori, Cinthia; Ramos, Hugo; Flores, Sixto; Evangelista, Balbino Antonio
(Universidad Nacional de Trujillo, 2025-10-05)Acceso abiertoEl objetivo de este estudio fue realizar la zonificación agrícola del riesgo climático para el cultivo de quinua. Se utilizaron datos de 38 estaciones meteorológicas del Servicio Nacional de Meteorología e ... -
Improved spatial representation of precipitation and air surface temperature over highlands of the southern tropical Andes (Lake Titicaca region) during an austral summer using the WRF model
Llacza Rodríguez, Alan; Paredes, Jonathan; Llamocca, Jorge; Saavedra, M.; Fita, L.; Ruiz, C.; Junquas, C.
(Elsevier, 2025-10)Acceso abiertoDue to its complex topography, the Lake Titicaca region, located in the southern tropical Andes, presents great challenges for atmospheric modeling. This study aims to improve the representation of precipitation and air ... -
Convection-permitting climate simulations over South America: Experimentation during different phases of ENSO
Liu, Changhai; Ikeda, Kyoko; Prein, Andreas; Scaff, Lucia; Dominguez, Francina; Rasmuss, Roy; Huang, Yongjie; Dudhia, Jimy; Wang, Wei; Chen, Fei; Xue, Lulin; Fita, Lluís; Lagos-Zúñiga, Miguel; Lavado-Casimiro, Waldo; Masiokas, Mariano; Puhales, Franciano; Yepes, Leidy Johanna
(Elsevier, 2025)Acceso restringidoThis paper presents the first-ever continental-scale convection-permitting simulations over South America for three water years of different ENSO phases, corresponding to an ENSO neutral year (2018/19), an EI Niño year ... -
Influence of local topographic structures on the atmospheric mechanisms related to the Andean-Amazon rainiest zone
Gutierrez-Villarreal, Ricardo A.; Junquas, C.; Espinoza, Jhan-Carlo; Baby, Patrice; Armijos, Elisa
(Elsevier, 2025)Acceso restringidoThe Andes-Amazon transition region features critically important ecological services on the local, regional and global scales. This region is among the rainiest zones in the world, with rainfall rates of up to 7000 mm/year. ... -
Evaluating the Impact of Vehicular Aerosol Emissions on Particulate Matter (PM2.5) Formation Using Modeling Study
Sanchez-CCoyllo, Odón; Llacza Rodríguez, Alan; Ayma Choque, Elizabeth; Alonso, Marcelo; Castesana, Paula; Fatima Andrade, Maria
(MDPI, 2022-11)Acceso abiertoAutomobile emissions in urban cities, such as Peru, are significant; however, there are no published studies of the effects of these emissions on PM2.5 (fine particulate matter) formation. This study aims to analyze the ... -
Impacts of LULC and climate change on runoff and sediment production for the Puyango-Tumbes basin (Ecuador-Peru)
Peña-Murillo, Robinson; Lavado-Casimiro, W.; Bourrel, Luc
(Frontiers', 2024)Acceso abiertoClimate change will cause alterations in the hydrological cycle, a topic of great relevance to the scientific community due to its impacts on water resources. Investigating changes in hydrological characteristics at the ... -
Present Variability and Future Change in Onset and Cessation of the Rainy Season Over Peru
De la Cruz, Gustavo; Huerta, Adrian; Espinoza, Jhan-Carlo; Lavado-Casimiro, W.
(Royal Meteorological Society, 2024)Acceso cerradoChanges in patterns of accumulated rainfall, as well as the rainy season onset, cessation and duration, can impact the availability of water resources and sectors such as agriculture, affecting the livelihoods of the ... -
Characteristics of Precipitation and Mesoscale Convective Systems Over the Peruvian Central Andes in Multi 5-Year Convection-Permitting Simulations
Huang, Yongjie; Xue, Ming; Hu, Xiao-Ming; Martin, Elinor; Novoa, Hector Mayol; McPherson, Renee A.; Liu, Changhai; Ikeda, Kyoko; Rasmussen, Roy; Prein, Andreas F.; Perez, Andres Vitaliano; Morales, Isaac Yanqui; Ticona Jara, José Luis; Auria Julieta, Flores Luna
(American Geophysical Union, 2024)Using the Weather Research and Forecasting model with two planetary boundary layer schemes, ACM2 and MYNN, convection-permitting model (CPM) regional climate simulations were conducted for a 6-year period, including a ... -
Understanding Spatio-Temporal Hydrological Dynamics Using SWAT: A Case Study in the Pativilca Basin
Pachac-Huerta, Yenica; Lavado-Casimiro, W.; Zapana, Melania; Peña, Robinson
(MDPI, 2024)Acceso abiertoThis study investigates the hydrological dynamics of the Pativilca Basin in the Southern Hemisphere using the SWAT (Soil and Water Assessment Tool) model. Seventy-seven watersheds across a mountainous region were analyzed ... -
Increasing frequency and precipitation intensity of convective storms in the Peruvian Central Andes: Projections from convection-permitting regional climate simulations
Huang, Yongjie; Xue, Ming; Hu, Xiao-Minga; Martin, Elinor; Novoa, Héctor Mayold; McPherson, Renee A.; Liu, Changhai; Chen, Mengye; Hong, Yang; Perez, Andres; Morales, Isaac Yanquid
(Royal Meteorological Society, 2024)Acceso cerradoTo explore the potential impacts of climate change on precipitation and mesoscale convective systems (MCSs) in the Peruvian Central Andes, a region with complex terrain, two future convection-permitting regional climate ... -
Benefits of the coupling in the downscaling the South American climate
Ordoñez, Jorge; Paredes, Jonathan; Vázquez, Rubén; Llacza Rodríguez, Alan; Jacome, Gerardo; De la Cruz, Gustavo; Llamocca, Jorge; Acuña, Delia; Sein, Dmitry V.; Álvarez, Erick; Cabos, William
(Elsevier, 2024)Acceso abiertoWe evaluate the benefits of the use of a regional coupled model over its stand-alone atmospheric component when forced by reanalysis data in the simulation of the South American climate. We find that the coupling allows ... -
The 2022-23 drought in the South American Altiplano: ENSO effects on moisture flux in the western Amazon during the pre-wet season
Gutierrez-Villarreal, Ricardo A.; Espinoza, Jhan-Carlo; Lavado-Casimiro, Waldo; Junquas, Clémentine; Molina-Carpio, Jorge; Condom, Thomas; Marengo, José A.
(Elsevier, 2024)The 2022-23 hydrological year in the Lake Titicaca, Desaguadero River, and Lake Poopó hydrological system (TDPS) over the South American Altiplano constituted a historically dry period. This drought was particularly severe ... -
Pronóstico de las concentraciones de material particulado en el aire (pm10) utilizando redes neuronales artificiales: caso estudio en el distrito de Ate, Lima
Rojas Quincho, Jhojan Pool; Medina Dionicio, Elvis Anthony
(Sociedad Química del Perú, 2022)Acceso abiertoLa presente investigación tuvo como objetivo evaluar el desempeño del modelo de Redes Neuronales Artificiales (RNA) para pronosticar las concentraciones de PM10 en el aire, para lo cual se hizo un caso estudio para el ... -
Hydrological Response Assessment of Land Cover Change in a Peruvian Amazonian Basin Impacted by Deforestation Using the SWAT Model
Paiva, Karla; Rau, Pedro; Montesinos, Cristian; Lavado Casimiro, Waldo Sven; Bourrel, Luc; Frappart, Fréderic
(MDPI, 2024)Acceso abiertoThe watershed hydrologic conditions in the Madre de Dios (MDD) Basin in the Peruvian Amazon have been irreversibly impacted by deforestation and changes in land cover. These changes have also had detrimental effects on the ... -
Performance of Regional Climate Model Precipitation Simulations Over the Terrain-Complex Andes-Amazon Transition Region
Gutierrez, Ricardo A.; Junquas, Clémentine; Armijos, Elisa; Sörensson, Anna A.; Espinoza, Jhan-Carlo
(American Geophysical Union, 2024)Acceso abiertoRegional climate models (RCMs) are widely used to assess future impacts associated with climate change at regional and local scales. RCMs must represent relevant climate variables in the present-day climate to be considered ... -
Hailstorm events in the Central Andes of Peru: Insights from historical data and radar microphysics
Valdívia, Jairo M.; Flores-Rojas, José Luis; Prado, Josep J.; Guizado, David; Villalobos-Puma, Elver; Callañaupa, Stephany; Silva-Vidal, Yamina
(European Geosciences Union, 2024)Hailstorms, while fascinating from a meteorological perspective, pose significant risks to communities, agriculture, and infrastructure. In regions such as the Central Andes of Peru, the characteristics and frequency of ... -
The new record of drought and warmth in the Amazon in 2023 related to regional and global climatic features
Espinoza, Jhan-Carlo; Jimenez, Juan Carlos; Marengo, José Antonio; Schongart, Jochen; Ronchail, Josyane; Lavado-Casimiro, W.; Ribeiro, João Vitor M.
(Springer, 2024)In 2023 Amazonia experienced both historical drought and warm conditions. On October 26th 2023 the water levels at the port of Manaus reached its lowest record since 1902 (12.70 m). In this region, October monthly maximum ... -
Advancing South American Water and Climate Science through Multidecadal Convection-Permitting Modeling
Dominguez, Francina; Rasmussen, Roy; Liu, Changhai; Ikeda, Kyoko; Prein, Andreas; Varble, Adam; Arias, Paola A.; Bacmeister, Julio; Bettolli, Maria Laura; Callaghan, Patrick; Carvalho, Leila M. V.; Castro, Christopher L.; Chen, Fei; Chug, Divyansh; Chun, Kwok Pan (Sun); Dai, Aiguo; Danaila, Luminita; da Rocha, Rosmeri Porfírio; Nascimento, Ernani de Lima; Dougherty, Erin; Dudhia, Jimy; Eidhammer, Trude; Feng, Zhe; Fita, Lluís; Fu, Rong; Giles, Julian; Gilmour, Harriet; Halladay, Kate; Huang, Yongjie; Iza Wong, Angela Maylee; Lagos-Zúñiga, Miguel Ángel; Jones, Charles; Llamocca, Jorge; Llopart, Marta; Martinez, J. Alejandro; Martinez, J. Carlos; Minder, Justin R.; Morrison, Monica; Moon, Zachary L.; Mu, Ye; Neale, Richard B.; Núñez Ocasio, Kelly M.; Pal, Sujan; Potter, Erin; Poveda, German; Puhales, Franciano; Rasmussen, Kristen L.; Rehbein, Amanda; Rios-Berrios, Rosimar
(American Meteorological Society, 2024-01-08)South America’s hydroclimate sustains vibrant communities and natural ecosystems of extraordinary biodiversity including the Andes Cordillera, and the Orinoco, La Plata, and Amazon basins. Global warming and land-use change ...
