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Open AccessArticle

Comparative Analysis of Climate Change Impacts on Meteorological, Hydrological, and Agricultural Droughts in the Lake Titicaca Basin

1
Instituto Geofísico del Perú (IGP), Subdirección de Ciencias de la Atmósfera e Hidrósfera (SCAH), Lima 15012, Peru
2
Programa de Doctorado en Recursos Hídricos, Universidad Nacional Agraria La Molina, Lima 15012, Peru
3
Instituto de Hidráulica e Hidrología, Universidad Mayor de San Andrés (UMSA), La Paz 15000, Bolivia
4
Escuela Profesional de Ingeniería Agrícola, Universidad Nacional del Altiplano (UNA), Puno 21001, Peru
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Autoridad Nacional del Agua (ANA), Autoridad Administrativa del Agua Titicaca, Puno 21001, Peru
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Facultad de Ciencias Agropecuarias y Recursos Naurales, Universidad Técnica de Cotopaxi (UTC), Latacunga 050150, Ecuador
*
Author to whom correspondence should be addressed.
Water 2021, 13(2), 175; https://doi.org/10.3390/w13020175
Received: 12 November 2020 / Revised: 24 December 2020 / Accepted: 7 January 2021 / Published: 13 January 2021
(This article belongs to the Special Issue Hydro-Meteorological Hazards under Climate Change)
The impact of climate change on droughts in the Lake Titicaca, Desaguadero River, and Lake Poopo basins (TDPS system) within the Altiplano region was evaluated by comparing projected 2034–2064 and observed 1984–2014 hydroclimate time series. The study used bias-corrected monthly climate projections from the fifth phase of the Coupled Model Intercomparison Project (CMIP5), under the Representative Concentration Pathway 8.5 (RCP8.5) emission scenarios. Meteorological, agricultural, and hydrological droughts were analyzed from the standardized precipitation, standardized soil moisture, and standardized runoff indices, respectively, the latter two estimated from a hydrological model. Under scenarios of mean temperature increases up to 3 °C and spatially diverse precipitation changes, our results indicate that meteorological, agricultural, and hydrological droughts will become more intense, frequent, and prolonged in most of the TDPS. A significant increase in the frequency of short-term agricultural and hydrological droughts (duration of 1–2 months) is also projected. The expected decline in annual rainfall and the larger evapotranspiration increase in the southern TDPS combine to yield larger projected rises in the frequency and intensity of agricultural and hydrological droughts in this region. View Full-Text
Keywords: drought; climate change impacts; Titicaca basin; Andes; Altiplano drought; climate change impacts; Titicaca basin; Andes; Altiplano
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MDPI and ACS Style

Zubieta, R.; Molina-Carpio, J.; Laqui, W.; Sulca, J.; Ilbay, M. Comparative Analysis of Climate Change Impacts on Meteorological, Hydrological, and Agricultural Droughts in the Lake Titicaca Basin. Water 2021, 13, 175. https://doi.org/10.3390/w13020175

AMA Style

Zubieta R, Molina-Carpio J, Laqui W, Sulca J, Ilbay M. Comparative Analysis of Climate Change Impacts on Meteorological, Hydrological, and Agricultural Droughts in the Lake Titicaca Basin. Water. 2021; 13(2):175. https://doi.org/10.3390/w13020175

Chicago/Turabian Style

Zubieta, Ricardo; Molina-Carpio, Jorge; Laqui, Wilber; Sulca, Juan; Ilbay, Mercy. 2021. "Comparative Analysis of Climate Change Impacts on Meteorological, Hydrological, and Agricultural Droughts in the Lake Titicaca Basin" Water 13, no. 2: 175. https://doi.org/10.3390/w13020175

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