ASSESSMENT OF DIFFUSIVE RECHARGE AT REGIONAL SCALE IN KARST SYSTEMS, AMAZON BASIN, ECUADOR

Karla M. González; Yetzabbel G. Flores; Christian O. Camacho; Theofilos Toulkeridis; Sanlinn I. Kaka; Péter Szűcs

doi:10.3986/ac.v53i1.13618

ASSESSMENT OF DIFFUSIVE RECHARGE AT REGIONAL SCALE IN KARST SYSTEMS, AMAZON BASIN, ECUADOR

Karla M. González, Yetzabbel G. Flores^*, Christian O. Camacho, Theofilos Toulkeridis, Sanlinn I. Kaka, Péter Szűcs

^*Corresponding author for this work

Department of Geosciences

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Karst systems play a crucial role in drinking water supply and biodiversity. Therefore, their comprehensive characterization of their recharge mechanisms is essential for safeguard water resource quality and sustainable management. This study utilizes the open-access thematic cartography of Ecuador to analyze the lithological, geomorphological, and hydrographic boundaries of groundwater karst systems. Then, employing the APLIS method, the diffusive recharge for each system is calcu-lated. As a result, five hydrogeological karst systems and twelve small isolated karst bodies were delineated within the Amazon Region of Ecuador, collectively occupying a total area of 11112 km². The effective infiltration of precipitation within these systems was found to vary between 11.11% and 77.11%, with a predominant low infiltration range (20%-40%) covering 48% of the karst area. One of the multiple parameters used in water balance calculations is defined by this research, serving as the initial step in creating conceptual models for evaluating karst aquifer systems in Ecuador from a hydrological perspective. The findings not only offer insights into the vulnerability and characteristics of these systems but also establish the foundation for informed decision-making in sustainable groundwater resource management and protection efforts.

Original language	English
Pages (from-to)	21-35
Number of pages	15
Journal	Acta Carsologica
Volume	53
Issue number	1
DOIs	https://doi.org/10.3986/ac.v53i1.13618
State	Published - 5 Nov 2024

Bibliographical note

Publisher Copyright:
© 2024, Zalozba ZRC. All rights reserved.

Keywords

APLIS method
Amazon region
Ecuadorian karst
groundwater management
karst hydrology

ASJC Scopus subject areas

Earth-Surface Processes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.3986/ac.v53i1.13618

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title = "ASSESSMENT OF DIFFUSIVE RECHARGE AT REGIONAL SCALE IN KARST SYSTEMS, AMAZON BASIN, ECUADOR",

abstract = "Karst systems play a crucial role in drinking water supply and biodiversity. Therefore, their comprehensive characterization of their recharge mechanisms is essential for safeguard water resource quality and sustainable management. This study utilizes the open-access thematic cartography of Ecuador to analyze the lithological, geomorphological, and hydrographic boundaries of groundwater karst systems. Then, employing the APLIS method, the diffusive recharge for each system is calcu-lated. As a result, five hydrogeological karst systems and twelve small isolated karst bodies were delineated within the Amazon Region of Ecuador, collectively occupying a total area of 11112 km2. The effective infiltration of precipitation within these systems was found to vary between 11.11% and 77.11%, with a predominant low infiltration range (20%-40%) covering 48% of the karst area. One of the multiple parameters used in water balance calculations is defined by this research, serving as the initial step in creating conceptual models for evaluating karst aquifer systems in Ecuador from a hydrological perspective. The findings not only offer insights into the vulnerability and characteristics of these systems but also establish the foundation for informed decision-making in sustainable groundwater resource management and protection efforts.",

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AU - Camacho, Christian O.

AU - Toulkeridis, Theofilos

AU - Kaka, Sanlinn I.

AU - Szűcs, Péter

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N2 - Karst systems play a crucial role in drinking water supply and biodiversity. Therefore, their comprehensive characterization of their recharge mechanisms is essential for safeguard water resource quality and sustainable management. This study utilizes the open-access thematic cartography of Ecuador to analyze the lithological, geomorphological, and hydrographic boundaries of groundwater karst systems. Then, employing the APLIS method, the diffusive recharge for each system is calcu-lated. As a result, five hydrogeological karst systems and twelve small isolated karst bodies were delineated within the Amazon Region of Ecuador, collectively occupying a total area of 11112 km2. The effective infiltration of precipitation within these systems was found to vary between 11.11% and 77.11%, with a predominant low infiltration range (20%-40%) covering 48% of the karst area. One of the multiple parameters used in water balance calculations is defined by this research, serving as the initial step in creating conceptual models for evaluating karst aquifer systems in Ecuador from a hydrological perspective. The findings not only offer insights into the vulnerability and characteristics of these systems but also establish the foundation for informed decision-making in sustainable groundwater resource management and protection efforts.

AB - Karst systems play a crucial role in drinking water supply and biodiversity. Therefore, their comprehensive characterization of their recharge mechanisms is essential for safeguard water resource quality and sustainable management. This study utilizes the open-access thematic cartography of Ecuador to analyze the lithological, geomorphological, and hydrographic boundaries of groundwater karst systems. Then, employing the APLIS method, the diffusive recharge for each system is calcu-lated. As a result, five hydrogeological karst systems and twelve small isolated karst bodies were delineated within the Amazon Region of Ecuador, collectively occupying a total area of 11112 km2. The effective infiltration of precipitation within these systems was found to vary between 11.11% and 77.11%, with a predominant low infiltration range (20%-40%) covering 48% of the karst area. One of the multiple parameters used in water balance calculations is defined by this research, serving as the initial step in creating conceptual models for evaluating karst aquifer systems in Ecuador from a hydrological perspective. The findings not only offer insights into the vulnerability and characteristics of these systems but also establish the foundation for informed decision-making in sustainable groundwater resource management and protection efforts.

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ASSESSMENT OF DIFFUSIVE RECHARGE AT REGIONAL SCALE IN KARST SYSTEMS, AMAZON BASIN, ECUADOR

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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