Spatiotemporal Land Cover Change and Future Hydrological Impacts Under Climate Scenarios in the Amazonian Andes A Case Study of the Utcubamba River Basin

Understanding how land use and climate change jointly affect water availability is essential for sustainable planning in tropical Andean–Amazonian basins. This study focuses on the Utcubamba River Basin in northeastern Peru, a data-scarce and socioecologically strategic watershed where land transfor...

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Autores principales: Rivera-Fernandez, Abner S, Cotrina-Sanchez, Alexander, Salas López, Rolando, Ríos Ramírez, José Ney, y otros más
Formato: Artículo
Lenguaje:Inglés
Publicado: MDPI 2025
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Acceso en línea:https://repositorio.catie.ac.cr/handle/11554/13794
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author Rivera-Fernandez, Abner S
Cotrina-Sanchez, Alexander
Salas López, Rolando
Ríos Ramírez, José Ney
y otros más
author_browse Cotrina-Sanchez, Alexander
Rivera-Fernandez, Abner S
Ríos Ramírez, José Ney
Salas López, Rolando
y otros más
author_facet Rivera-Fernandez, Abner S
Cotrina-Sanchez, Alexander
Salas López, Rolando
Ríos Ramírez, José Ney
y otros más
author_sort Rivera-Fernandez, Abner S
collection Repositorio CATIE
description Understanding how land use and climate change jointly affect water availability is essential for sustainable planning in tropical Andean–Amazonian basins. This study focuses on the Utcubamba River Basin in northeastern Peru, a data-scarce and socioecologically strategic watershed where land transformation and climate variability converge. A multi-temporal land use/land cover (LULC) analysis (1990–2024) was conducted, coupled with hydrological modeling using the SWAT model under historical and future climate scenarios (SSP2–4.5 and SSP5–8.5), including the spatial overlay of the LULC change concentration with key hydrological indicators. LULC classifications revealed forest loss and the expansion of pasture, agriculture, and shrubland areas, particularly in the upper basin. Hydrological projections showed significant changes in water flow, including reductions in minimum monthly flows by up to 73.9% and increases in peak flows by 14.8% under the SSP5–8.5 scenario. The water balance is expected to shift, with increased percolation and reduced lateral flow, suggesting decreased storage capacity. By identifying critical sub-basins where land degradation and water insecurity converge, the study supports adaptive strategies for land restoration, aquifer recharge planning, and ecosystem conservation. Despite limited hydrological infrastructure, the SWAT model effectively simulated water dynamics, aiding climate resilience and water security efforts in the Amazonian Andes.
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spelling RepoCATIE137942025-08-28T00:51:03Z Spatiotemporal Land Cover Change and Future Hydrological Impacts Under Climate Scenarios in the Amazonian Andes A Case Study of the Utcubamba River Basin Rivera-Fernandez, Abner S Cotrina-Sanchez, Alexander Salas López, Rolando Ríos Ramírez, José Ney y otros más Cuenca hidrográfica||watersheds||bacia hidrográfica||bassin versant Ciencia forestal||forestry||actividade florestal||foresterie SWAT model Andean forest Hydrological modeling Sede Central ODS 15 - Vida de ecosistemas terrestres ODS 16 - Paz, justicia e instituciones sólidas Understanding how land use and climate change jointly affect water availability is essential for sustainable planning in tropical Andean–Amazonian basins. This study focuses on the Utcubamba River Basin in northeastern Peru, a data-scarce and socioecologically strategic watershed where land transformation and climate variability converge. A multi-temporal land use/land cover (LULC) analysis (1990–2024) was conducted, coupled with hydrological modeling using the SWAT model under historical and future climate scenarios (SSP2–4.5 and SSP5–8.5), including the spatial overlay of the LULC change concentration with key hydrological indicators. LULC classifications revealed forest loss and the expansion of pasture, agriculture, and shrubland areas, particularly in the upper basin. Hydrological projections showed significant changes in water flow, including reductions in minimum monthly flows by up to 73.9% and increases in peak flows by 14.8% under the SSP5–8.5 scenario. The water balance is expected to shift, with increased percolation and reduced lateral flow, suggesting decreased storage capacity. By identifying critical sub-basins where land degradation and water insecurity converge, the study supports adaptive strategies for land restoration, aquifer recharge planning, and ecosystem conservation. Despite limited hydrological infrastructure, the SWAT model effectively simulated water dynamics, aiding climate resilience and water security efforts in the Amazonian Andes. 2025-08-26T19:25:36Z 2025-08-26T19:25:36Z 2025-06-07 Artículo https://repositorio.catie.ac.cr/handle/11554/13794 openAccess en Land https://doi.org/10.3390/land14061234 13 páginas application/pdf MDPI
spellingShingle Cuenca hidrográfica||watersheds||bacia hidrográfica||bassin versant
Ciencia forestal||forestry||actividade florestal||foresterie
SWAT model
Andean forest
Hydrological modeling
Sede Central
ODS 15 - Vida de ecosistemas terrestres
ODS 16 - Paz, justicia e instituciones sólidas
Rivera-Fernandez, Abner S
Cotrina-Sanchez, Alexander
Salas López, Rolando
Ríos Ramírez, José Ney
y otros más
Spatiotemporal Land Cover Change and Future Hydrological Impacts Under Climate Scenarios in the Amazonian Andes A Case Study of the Utcubamba River Basin
title Spatiotemporal Land Cover Change and Future Hydrological Impacts Under Climate Scenarios in the Amazonian Andes A Case Study of the Utcubamba River Basin
title_full Spatiotemporal Land Cover Change and Future Hydrological Impacts Under Climate Scenarios in the Amazonian Andes A Case Study of the Utcubamba River Basin
title_fullStr Spatiotemporal Land Cover Change and Future Hydrological Impacts Under Climate Scenarios in the Amazonian Andes A Case Study of the Utcubamba River Basin
title_full_unstemmed Spatiotemporal Land Cover Change and Future Hydrological Impacts Under Climate Scenarios in the Amazonian Andes A Case Study of the Utcubamba River Basin
title_short Spatiotemporal Land Cover Change and Future Hydrological Impacts Under Climate Scenarios in the Amazonian Andes A Case Study of the Utcubamba River Basin
title_sort spatiotemporal land cover change and future hydrological impacts under climate scenarios in the amazonian andes a case study of the utcubamba river basin
topic Cuenca hidrográfica||watersheds||bacia hidrográfica||bassin versant
Ciencia forestal||forestry||actividade florestal||foresterie
SWAT model
Andean forest
Hydrological modeling
Sede Central
ODS 15 - Vida de ecosistemas terrestres
ODS 16 - Paz, justicia e instituciones sólidas
url https://repositorio.catie.ac.cr/handle/11554/13794
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