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Article

Analysis of the Relative Importance of the Main Hydrological Processes at Different Temporal Scales in Watersheds of South-Central Chile

1
Department of Civil Engineering, Universidad Católica de la Santísima Concepción, Concepción 4090541, Chile
2
Centro de Investigación en Biodiversidad y Ambientes Sustentables CIBAS, Concepción 4090541, Chile
3
Department of Water Resources, Universidad de Concepción, Chillán 3812120, Chile
*
Author to whom correspondence should be addressed.
Academic Editors: Wenchuan Wang, Zhongkai Feng and Mingwei Ma
Water 2022, 14(5), 807; https://doi.org/10.3390/w14050807
Received: 11 January 2022 / Revised: 25 February 2022 / Accepted: 2 March 2022 / Published: 4 March 2022
(This article belongs to the Special Issue Climate Changes and Hydrological Processes)
In Chile in recent years, changes in precipitation and temperatures have been reported that could affect water resource management and planning. One way of facing these changes is studying and understanding the behavior of hydrological processes at a regional scale and their different temporal scales. Therefore, the objective of this study is to analyze the importance of the hydrological processes of the HBV model at different temporal scales and for different hydrological regimes. To this end, 88 watersheds located in south-central Chile were analyzed using time-varying sensitivity analysis at five different temporal scales (1 month, 3 months, 6 months, 1 year, and 5 years). The results show that the model detects the temporality of the most important hydrological processes. In watersheds with a pluvial regime, the greater the temporal scale, the greater the importance of soil water accumulation processes and the lower the importance of surface runoff processes. By contrast, in watersheds with a nival regime, at greater temporal scales, groundwater accumulation and release processes take on greater importance, and soil water release processes are less important. View Full-Text
Keywords: hydrological processes; temporal scale; hydrological model; sensitivity analysis hydrological processes; temporal scale; hydrological model; sensitivity analysis
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MDPI and ACS Style

Medina, Y.; Muñoz, E.; Clasing, R.; Arumí, J.L. Analysis of the Relative Importance of the Main Hydrological Processes at Different Temporal Scales in Watersheds of South-Central Chile. Water 2022, 14, 807. https://doi.org/10.3390/w14050807

AMA Style

Medina Y, Muñoz E, Clasing R, Arumí JL. Analysis of the Relative Importance of the Main Hydrological Processes at Different Temporal Scales in Watersheds of South-Central Chile. Water. 2022; 14(5):807. https://doi.org/10.3390/w14050807

Chicago/Turabian Style

Medina, Yelena, Enrique Muñoz, Robert Clasing, and José Luis Arumí. 2022. "Analysis of the Relative Importance of the Main Hydrological Processes at Different Temporal Scales in Watersheds of South-Central Chile" Water 14, no. 5: 807. https://doi.org/10.3390/w14050807

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