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Hydro-climatological variability in Lagunas de Vilama System, Argentinean Altiplano-Puna Plateau, Southern Tropical Andes (22° S), and its response to large-scale climate forcings

Santamans, Carla D., Cordoba, Francisco E., Franco, María G., Vignoni, Paula, Lupo, Liliana C.·2021·Science of The Total Environment
DOI 10.1016/j.scitotenv.2020.144926
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Abstract

The Altiplano-Puna Plateau holds several shallow lakes, which are very sensitive to climate changes. This work is focused on a high-altitude lake system called Lagunas de Vilama (LVS), located in a complex climatic transition area with scarcity of continuous and homogeneous instrumental records. The objective of this study is to determine the regional spatial-temporal variability of precipitation and evaluate the seasonal and interannual lake responses. We use a lake-surfaces record derived from Landsat images to investigate links with regional precipitations and different climatic forcings. The results reveal that austral summer and autumn precipitations control the variability of the annual lake-surfaces. Also, we found intra-annual and interannual lags in the lake responses to precipitations, and identified several wet and dry stages. Our results show negative trends in precipitations and lake-surfaces, whose were strengthened by a shift to a warm phase of the Atlantic Multidecadal Oscillation in the 1990s. The El Niño Southern Oscillation, Pacific Decadal Oscillation, and Southern Annular Mode also exert a strong influence in the region. This study demonstrates that the variability of LVS lakes is strongly related to the South American Monsoon System dynamics and large-scale climate forcings from the Pacific and Atlantic Oceans. This work provides novel indices which demonstrated to be good indicators of regional hydro-climatological variability for this region of South America.

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Metadata

Authors
Santamans, C. D., Cordoba, F. E., Franco, M. G., Vignoni, P., & Lupo, L. C.
Affiliations
  • Consejo Nacional de Investigaciones Científicas y Técnicas (AR)
  • University of Potsdam (DE)
Corresponding author
Santamans, Carla D.
ORCID
Venue
Science of The Total Environment
Publisher
Elsevier BV
Published
2021-05
Volume
767
Pages
144926
ISSN
0048-9697 (ISSN-L)
DOI
10.1016/j.scitotenv.2020.144926
OpenAlex
W3126931640
Cited by
16
References
1
Citations by year
2025: 3 · 2024: 3 · 2023: 9 · 2021: 1
FWCI
1.33
Type
journal article
Language
en
Open access
closed
Licence
Locations
  • The Science of The Total Environment (publishedVersion)
  • PubMed (publishedVersion)
  • Publication Database GFZ (GFZ German Research Centre for Geosciences) (submittedVersion)
  • publish.UP (University of Potsdam) (submittedVersion)
Funders
  • Consejo Nacional de Investigaciones Científicas y Técnicas (PUE INECOA CONICET 2017)
  • Agencia Nacional de Promoción Científica y Tecnológica (PICT-2015-3047)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Climate variability and models
  • Physical Sciences › Environmental Science › Global and Planetary Change › Hydrology and Drought Analysis
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Geology and Paleoclimatology Research
Keywords
shallow lakes, rainfall variability, lake surface area, Landsat, ENSO, Pacific Decadal Oscillation, Southern Annular Mode, Atlantic Multidecadal Oscillation, South American monsoon, interannual variability, Altiplano-Puna plateau

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CoChat. (2026). Citation check: Hydro-climatological variability in Lagunas de Vilama System, Argentinean Altiplano-Puna Plateau, Southern Tropical Andes (22° S), and its response to large-scale climate forcings. https://app.cochat.ai/papers/10.1016/j.scitotenv.2020.144926
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Santamans, C. D., Cordoba, F. E., Franco, M. G., Vignoni, P., & Lupo, L. C. (2021). Hydro-climatological variability in Lagunas de Vilama System, Argentinean Altiplano-Puna Plateau, Southern Tropical Andes (22° S), and its response to large-scale climate forcings. Science of The Total Environment. https://doi.org/10.1016/j.scitotenv.2020.144926