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Evidence of Climate Change Based on Lake Surface Temperature Trends in South Central Chile

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Faculty of Environmental Sciences and EULA Chile Centre, Department of Aquatic Systems, Universidad de Concepción, Concepción 4089100, Chile
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Department of Water Resources, Faculty of Agricultural Engineering, Universidad de Concepción, Chillan 3780000, Chile
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Facultad de Ingeniería y Tecnología, Universidad San Sebastián, Lientur 1457, Concepción 4030000, Chile
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Centro de Recursos Hídricos para la Agricultura y la Minería (CRHIAM), Universidad de Concepción, Concepción 4089100, Chile
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Agriculture Sciences Faculty, University of Chile, Av. Santa Rosa, Santiago 11315, Chile
*
Author to whom correspondence should be addressed.
Academic Editor: Shovonlal Roy
Remote Sens. 2021, 13(22), 4535; https://doi.org/10.3390/rs13224535
Received: 29 September 2021 / Revised: 29 October 2021 / Accepted: 5 November 2021 / Published: 11 November 2021
Lake temperature has proven to act as a good indicator of climate variability and change. Thus, a surface temperature analysis at different temporal scales is important, as this parameter influences the physical, chemical, and biological cycles of lakes. Here, we analyze monthly, seasonal, and annual surface temperature trends in south central Chilean lakes during the 2000–2016 period, using MODIS satellite imagery. To this end, 14 lakes with a surface area greater than 10 km2 were examined. Results show that 12 of the 14 lakes presented a statistically significant increase in surface temperature, with a rate of 0.10 °C/decade (0.01 °C/year) over the period. Furthermore, some of the lakes in the study present a significant upward trend in surface temperature, especially in spring, summer, and winter. In general, a significant increase in surface water temperature was found in lakes located at higher altitudes, such as Maule, Laja and Galletué lakes. These results contribute to the provision of useful data on Chilean lakes for managers and policymakers. View Full-Text
Keywords: climate change; global warming; lake surface temperature; MODIS; temperature trends climate change; global warming; lake surface temperature; MODIS; temperature trends
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MDPI and ACS Style

Aranda, A.C.; Rivera-Ruiz, D.; Rodríguez-López, L.; Pedreros, P.; Arumí-Ribera, J.L.; Morales-Salinas, L.; Fuentes-Jaque, G.; Urrutia, R. Evidence of Climate Change Based on Lake Surface Temperature Trends in South Central Chile. Remote Sens. 2021, 13, 4535. https://doi.org/10.3390/rs13224535

AMA Style

Aranda AC, Rivera-Ruiz D, Rodríguez-López L, Pedreros P, Arumí-Ribera JL, Morales-Salinas L, Fuentes-Jaque G, Urrutia R. Evidence of Climate Change Based on Lake Surface Temperature Trends in South Central Chile. Remote Sensing. 2021; 13(22):4535. https://doi.org/10.3390/rs13224535

Chicago/Turabian Style

Aranda, Arnaldo C., Daniela Rivera-Ruiz, Lien Rodríguez-López, Pablo Pedreros, José L. Arumí-Ribera, Luis Morales-Salinas, Guillermo Fuentes-Jaque, and Roberto Urrutia. 2021. "Evidence of Climate Change Based on Lake Surface Temperature Trends in South Central Chile" Remote Sensing 13, no. 22: 4535. https://doi.org/10.3390/rs13224535

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