01. Artículos Científicos: Recent submissions
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Benefits of the coupling in the downscaling the South American climate
Ordoñez, Jorge; Paredes, Jonathan; Vázquez, Rubén; Llacza, 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.
(Servicio Nacional de Meteorología e Hidrología del Perú, 2024)Acceso abiertoThe 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)Acceso abiertoHailstorms, 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)Acceso abiertoIn 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)Acceso abiertoSouth 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 ... -
Synoptic and cloud-scale aspects related to an extreme rainfall event that occurred in April 2019 in the city of Rio de Janeiro (Brazil)
da Silva, Fabricio Polifke; Luiz-Silva, Wanderson; Huamán, Joao; de Almeida França, José Ricardo
(Servicio Nacional de Meteorología e Hidrología del Perú, 2024)Acceso abiertoThe development, rate, and duration of extreme rainfall events over a region depend on the coexistence and strength of multiple atmospheric physical conditions. Then, understanding the synoptic and cloud-scale aspects is ... -
Estimación de lluvias extremas mediante un enfoque de análisis regional y datos satelitales: Cusco – Perú
Aragón, Luis; Lavado-Casimiro, W.; Montesinos, Cristian; Zubieta, Ricardo; Laqui, Wilber
(Instituto Mexicano de Tecnología del Agua, 2024)Acceso abiertoLa frecuencia y magnitud de los eventos climáticos extremos de precipitación han aumentado significativamente en varios países del mundo, incluido Perú. Estos hechos causan pérdidas económicas y humanas, especialmente en ... -
Constraining Flood Forecasting Uncertainties through Streamflow Data Assimilation in the Tropical Andes of Peru: Case of the Vilcanota River Basin
Llauca, Harold; Arestegui, Miguel; Lavado-Casimiro, W.
(MDPI, 2023-11)Acceso abiertoFlood modeling and forecasting are crucial for managing and preparing for extreme flood events, such as those in the Tropical Andes. In this context, assimilating streamflow data is essential. Data Assimilation (DA) seeks ... -
The central South America region includes Brazil, Peru, Paraguay, and Bolivia
Marengo, J.; Espinoza, J.C.; Alves, L.M.; Ronchail, J.; Cunha, A.P.; Ramos, A. M.; Molina-Carpio, J.; Correa, K.; Avalos, G.; Lavado-Casimiro, W.; Baez, J.; Salinas, R.; Quispe, W. R.; Quisbert, K.
(American Meteorological Society, 2023)Acceso abiertoThe 2022 mean temperature for central South America was 0.23°C above the 1991–2020 average (Fig. 7.13). Much of the region had near- to above-average mean annual temperatures (Fig. 7.11). Seasonally, during December–February, ... -
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, W.; Bourrel, Luc; Frappart, Frédéric
(MDPI, 2023)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 ... -
Rainfall Erosivity in Peru: A New Gridded Dataset Based on GPM-IMERG and Comprehensive Assessment (2000–2020)
Gutierrez, Leonardo; Huerta, Adrian; Sabino, Evelin; Bourrel, Luc; Frappart, Frédéric; Lavado-Casimiro, W.
(Servicio Nacional de Meteorología e Hidrología del Perú, 2023)Acceso abiertoIn soil erosion estimation models, the variables with the greatest impact are rainfall erosivity (𝑅𝐸), which is the measurement of precipitation energy and its potential capacity to cause erosion, and erosivity density ... -
High-resolution grids of daily air temperature for Peru - the new PISCOt v1.2 dataset
Huerta, Adrian; Aybar, Cesar; Correa, Kris; Noemi, Imfeld; Correa, Kris; Felipe-Obando, Oscar; Rau, Pedro; Drenkhan, Fabian
(Nature, 2023)Acceso abiertoGridded high-resolution climate datasets are increasingly important for a wide range of modelling applications. Here we present PISCOt (v1.2), a novel high spatial resolution (0.01°) dataset of daily air temperature for ... -
Assessment of bottom-up satellite precipitation products on river streamflow estimations in the Peruvian Pacific drainage
Qquenta, Jonathan; Rau, Pedro; Bourrel, Luc; Frappart, Frédéric; Lavado-Casimiro, W.
(Multidisciplinary Digital Publishing Institute - MDPI, 2023)Acceso abiertoIn regions with limited precipitation information, like Peru, many studies rely on precipitation data derived from satellite products (SPP) and model reanalysis. These products provide near-real-time information and offer ... -
Glaciological Mass balance of Znosko Glacier, King George Island
Suarez, Wilson; Bello, Cinthya; Cruz, Rolando; Zegarra, Juan; Arias, Sandro; Brondi, Fabian
(Scielo, 2023)Acceso abiertoThe present article objective is to determine the net mass balance of the glacier Znosko for periods 2018-2019 and 2019-2020. It is situated on King George Island which belongs to the groups Shetland of the South, Antarctic ... -
Hydrological modeling based on the KNN algorithm: An application for the forecast of daily flows of the Ramis river, Peru
Lujano Laura, Efrain; Lujano, Rene; Huamani, Juan Carlos; Lujano, Apolinario
(Instituto Mexicano de Tecnología del Agua, 2023)Acceso abiertoThe forecast of river stream flows is of significant importance for the development of early warning systems. Artificial intelligence algorithms have proven to be an effective tool in hydrological modeling data-driven, ... -
The contributions of transboundary networks to environmental governance: The legacy of the MAP initiative
Perz, Stephen; Rioja Ballivián, Guillermo; Brown, I. Foster; Frias, Miroslava; Mendoza, Elsa; Muñante, Armando; Perales, Mercedes; Reis, Vera
(Elsevier, 2022)Acceso abiertoBecause many environmental threats span national boundaries, transboundary networks have emerged as a form of multi-stakeholder platform to support environmental governance (EG). There are transboundary networks in various ... -
Un estudio de caso de un evento de nevada de alto impacto en la sierra sur del Perú: Dinámica y evaluación del modelo Eta
Bojorquez, Marco; Huerta, Adrian; Calle Montes, Victoria
(SciELO - Scientific Electronic Library Online, 2022)Acceso abiertoSe evaluó el desempeño de las predicciones del modelo Eta durante el acaecimiento del evento de nevada generalizada que causó el mayor impacto social en la Sierra Sur del Perú (SSP) durante agosto del 2013. La evaluación ...
