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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 ... -
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 ... -
Performance of Regional Climate Model Precipitation Simulations Over the Terrain-Complex Andes-Amazon Transition Region
Armijos, Elisaa,; Gutierrez, Ricardo A.; Junquas, Clémentinec; Armijos, Elisaa; Sörensson, Anna A.; Espinoza, Jhan-Carloc
(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 ... -
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 ... -
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 ... -
Heatwaves and fire in Pantanal: Historical and future perspectives from CORDEX-CORE
Silva, Patrícia S.; Geirinhas, João L.; Lapere, Rémy; Laura, Wil; Cassain, Domingo; Alegría, Andrés; Campbell, Jayaka
(Elsevier, 2022)Acceso abiertoThe Pantanal biome, at the confluence of Brazil, Bolivia and Paraguay, is the largest continental wetland on the planet and an invaluable reserve of biodiversity. The exceptional 2020 fire season in Pantanal drew particular ... -
Photochemical sensitivity to emissions and local meteorology in Bogotá, Santiago, and São Paulo: An analysis of the initial COVID-19 lockdowns
Seguel, Rodrigo J.; Gallardo, Laura; Osses, Mauricio; Rojas, Néstor Y.; Nogueira, Thiago; Menares, Camilo; Andrade, Maria de Fatima; Belalcázar, Luis C.; Carrasco, Paula; Eskes, Henk; Fleming, Zoë L.; Huneeus, Nicolas; Ibarra-Espinosa, Sergio; Landulfo, Eduardo; Leiva, Manuel; Mangones, Sonia C.; Morais, Fernando G.; Moreira, Gregori A.; Pantoja, Nicolás; Parraguez, Santiago; Rojas Quincho, Jhojan Pool; Rondanelli, Roberto; Andrade, Izabel da Silva; Toro, Richard; Yoshida, Alexandre C.
(University of California Press, 2022)Acceso abiertoThis study delves into the photochemical atmospheric changes reported globally during the pandemic by analyzing the change in emissions from mobile sources and the contribution of local meteorology to ozone (O3) and particle ... -
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 abiertoThe 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 ... -
A future of extreme precipitation and droughts in the Peruvian Andes
Potter, Emily R.; Fyffe, Catriona L.; Orr, Andrés; Quincey, Duncan J.; Ross, Andrés N.; Rangecroft, Sally; Medina, Katy; Burns, Helen; Llacza, Alan; Jácome, Gerardo; Hellström, Robert Å.; Castro, Josué; Cochachín, Alejo; Montoya, Nilton; Loarte, Edwin; Pellicciotti, Francesca
(Springer Nature, 2023)Acceso abiertoRunoff from glacierised Andean river basins is essential for sustaining the livelihoods of millions of people. By running a highresolution climate model over the two most glacierised regions of Peru we unravel past climatic ...