Analysis of Trends and Hydroclimatic Extreme Indices in Northeastern Antioquia from Historical Records

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dc.creatorMarín-Zapata, Lilia María
dc.creatorBuiles-Jaramillo, Alejandro
dc.creatorSalas, Hernán D.
dc.creatorHoyos-Restrepo, Carlos Arturo
dc.date2026-04-24
dc.descriptionClimate change modifies global hydroclimatology and increases social, environmental, and economic risks. In Colombia, climate variability and lack of data hinder its analysis and prediction. The objective of this study was evaluating the climate change signals found in Northeast Antioquia (Colombia) using historical hydroclimatological records. The methodology consisted of the analysis of trends using the Mann-Kendall test and ETCCDI extreme climate indices for precipitation and temperature (rx1d, rx5d, Rx95p, Rx99p, TXx, TNn, TN10p, TX90p, DTR). Our results revealed a significant increase in temperature and precipitation of up to 0,34 °C and 21,7 mm per decade, respectively. In addition, the r95p index showed that between 31,1% and 41,1% of annual precipitation is associated with extreme rainfall. In particular, the municipality of Cisneros exhibits a significant increase in TXx and TX90p while TN10p evidenced changes in historical hydroclimatic patterns. Finally, we can conclude that the diagnosis of climate change influences hydroclimatic variables in tropical regions and is crucial for decision making for diverse productive and environmental sectors related to water resources and strategies of regional and local management.en-US
dc.descriptionEl cambio climático modifica la hidroclimatología global y aumenta los riesgos sociales, ambientales y económicos. En Colombia, la variabilidad climática y la falta de datos dificultan su análisis y predicción. El objetivo de este estudio fue evaluar las señales de cambio climático encontradas en registros hidroclimatológicos históricos. La metodología empleada consistió en el análisis de tendencias en series temporales en el Nordeste de Antioquia, a través de la prueba Mann-Kendall y utilizando índices climáticos extremos del ETCCDI para precipitación y temperatura (rx1d, rx5d, Rx95p, Rx99p, TXx, TNn, TN10p, TX90p, DTR). Los resultados evidenciaron un aumento significativo en la temperatura y la precipitación de hasta 0,34 ºC y 21,7 mm por década, respectivamente. Además, el índice r95p mostró que entre el 31,1 % y el 41,1 % de la precipitación anual está asociada a lluvias extremas. En particular, el municipio de Cisneros exhibió un aumento significativo en TXx y TX90p mientras TN10p evidenció cambios en los patrones hidroclimáticos históricos. Finalmente, se concluye que el diagnóstico de la influencia del cambio climático en variables hidroclimatológicas en regiones tropicales es crucial para la toma de decisiones en diversos sectores productivos y ambientales en torno a los recursos hídricos y las estrategias de planeación regional y municipal.es-ES
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dc.identifierhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3586
dc.identifier10.22430/22565337.3586
dc.languagespa
dc.publisherInstituto Tecnológico Metropolitano (ITM)en-US
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3586/4058
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3586/4127
dc.relationhttps://revistas.itm.edu.co/index.php/tecnologicas/article/view/3586/4128
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dc.rightsCopyright (c) 2026 TecnoLógicasen-US
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/4.0en-US
dc.sourceTecnoLógicas; Vol. 29 No. 65 (2026); e3586en-US
dc.sourceTecnoLógicas; Vol. 29 Núm. 65 (2026); e3586es-ES
dc.source2256-5337
dc.source0123-7799
dc.subjectcambio climáticoes-ES
dc.subjecthidrologíaes-ES
dc.subjectprecipitaciónes-ES
dc.subjectríoses-ES
dc.subjecttemperaturaes-ES
dc.subjectclimate changeen-US
dc.subjecthydrologyen-US
dc.subjectprecipitationen-US
dc.subjectriversen-US
dc.subjecttemperatureen-US
dc.titleAnalysis of Trends and Hydroclimatic Extreme Indices in Northeastern Antioquia from Historical Recordsen-US
dc.titleAnálisis de tendencias e índices de extremos hidroclimáticos en el nordeste antioqueño a partir de registros históricoses-ES
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typeResearch Papersen-US
dc.typeArtículos de investigaciónes-ES

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