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Por | Aliaga-Nestares, Vannia; De La Cruz, Gustavo; Takahashi, Ken (AMS, 2023-04-06)

Comparison between the Operational and Statistical Daily Maximum and Minimum Temperature Forecasts on the Central Coast of Peru

Multiple linear regression models were developed for 1–3-day lead forecasts of maximum and minimum temperature for two locations in the city of Lima, on the central coast of Peru (12°S), and contrasted with the operational forecasts issued by the National Meteorological and Hydrological Service—SENAMHI ...
- Synoptic climatology
- Synoptic-scale processes
- Regression analysis
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Por | Zubieta Barragán, Ricardo; Ccanchi, Yerson; Liza, Romina (Elsevier, 2023-07-08)

Performance of heat spots obtained from satellite datasets to represent burned areas in Andean ecosystems of Cusco, Peru

The combustion of biomass is a prevalent practice in the Andes. Often, these burns escape control and escalate into wildfires. However, the investigation of unreported fire incidents has not received the same level of attention as reported wildfires. Satellite provide an alternative information source ...
- Fire management
- Satellite
- Fire prevention
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Por | Pizarro-Koch, Matías; Pizarro, Oscar; Dewitte, Boris; Montes Torres, Ivonne; Paulmier, Aurélien; Garçon, Véronique ... (Frontiers Media, 2023-07-04)

On the interpretation of changes in the subtropical oxygen minimum zone volume off Chile during two La Niña events (2001 and 2007)

Oxygen minimum zones (OMZs) are extended oceanic regions for which dissolved oxygen concentration is extremely low. They are suspected to be expanding in response to global warming. However, currently, the mechanisms by which OMZ varies in response to climate variability are still uncertain. Here, the ...
- Subtropical Eastern Pacific
- Oxygen minimum zone
- ENSO (El Niño/Southern Oscillation)
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Por | Linford, P.; Pérez-Santos, I.; Montes Torres, Ivonne; Dewitte, B.; Buchan, S.; Narváez, D. ... (American Geophysical Union, 2023-05-26)

Recent Deoxygenation of Patagonian Fjord Subsurface Waters Connected to the Peru–Chile Undercurrent and Equatorial Subsurface Water Variability

In recent decades, global dissolved oxygen (DO) measurements have registered a decrease of ∼1%–2% in oxygen content, raising concerns regarding the negative impacts of ocean deoxygenation on marine life and the greenhouse gas cycle. By combining in situ data from 2016 to 2022, satellite remote sensing, ...
- Deoxygenation
- Hypoxia
- Water masses
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Por | Valenzuela, Jonathan; Figueroa, Manuel; Armijos Cardenas, Elisa Natalia; Espinoza, Jhan-Carlo; Wongchuig, Sly; Ramirez-Avila, John J. (Elsevier, 2023-06)

Flooding risk of cropland areas by repiquetes in the western Amazon basin: A case study of Peruvian Tamshiyacu City

Study región: The western Amazon basin at Tamshiyacu gauging station (near the Iquitos City) hosts floodplain agriculture that can be affected by the sudden reversal in direction of water levels known as “repiquetes” that produce intermittent flooding. Study focus: This study assesses repiquete flooding ...
- Repiquetes
- Riparian agriculture
- Rainfall
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Por | Apaéstegui Campos, James Emiliano; Romero, Carol; Vuille, Mathias; Sulca Jota, Juan Carlos; Ampuero, Angela (MDPI, 2023-05-15)

Moisture Sources and Rainfall δ¹⁸O Variability over the Central Andes of Peru—A Case Study from the Mantaro River Basin

The Mantaro River Basin is one of the most important regions in the central Peruvian Andes in terms of hydropower generation and agricultural production. Contributions to better understanding of the climate and hydrological dynamics are vital for this region and constitute key information to support ...
- Rainfall isotope variability
- Mantaro River Basin
- Central Andean region
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Por | Parouffe, Alexandra; Garçon, Véronique; Dewitte, Boris; Paulmier, Aurélien; Montes Torres, Ivonne; Parada, Carolina ... (Frontiers Media, 2023-01-05)

Evaluating future climate change exposure of marine habitat in the South East Pacific based on metabolic constraints

On-going climate change is now recognized to yield physiological stresses on marine species, with potentially detrimental effects on ecosystems. Here, we evaluate the prospect of using climate velocities (CV) of the metabolic index (Φ) for assessing changes in habitat in the South East Pacific. Our ...
- Metabolic index
- Climate velocities
- South East Pacific
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Por | Bograd, Steven J.; Jacox, Michael G.; Hazen, Elliott L.; Lovecchio, Elisa; Montes Torres, Ivonne; Pozo Buil, Mercedes ... (Annual Reviews, 2023-01)

Climate Change Impacts on Eastern Boundary Upwelling Systems

The world's eastern boundary upwelling systems (EBUSs) contribute disproportionately to global ocean productivity and provide critical ecosystem services to human society. The impact of climate change on EBUSs and the ecosystems they support is thus a subject of considerable interest. Here, we review ...
- Climate change
- Coastal upwelling
- Eastern boundary upwelling systems
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Por | Zubieta Barragán, Ricardo; Ccanchi, Yerson; Martínez Grimaldo, Alejandra; Saavedra Huanca, Miguel; Norabuena Ortiz, Edmundo; Alvarez, Sigrid (CSIRO Publishing, 2023-01-24)

The role of drought conditions on the recent increase in wildfire occurrence in the high Andean regions of Peru

Wildfire occurrence has increased sharply in the last two decades in the Peruvian Andes. There is, however, little research on wildfires and their impacts. This study explores the conditions conducive to wildfire during 2020. MODIS images were collected to estimate the development of vegetation. In ...
- Climate
- Drought
- Fire management
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Por | Zubieta Barragán, Ricardo; Prudencio, Fernando; Ccanchi, Yerson; Saavedra Huanca, Miguel; Sulca Jota, Juan Carlos; Reupo, Jorge (CSIRO Publishing, 2021-10-12)

Potential conditions for fire occurrence in vegetation in the Peruvian Andes

Fire activity in the Peruvian Andes has increased significantly in recent decades, but climatic parameters associated with drought, which may indirectly contribute to the occurrence of severe forest fires, have not yet been investigated. Because fire prevention tools are scarce, strategies for deterring ...
- Fire management
- Climate
- Remote sensing
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