Conceptualization and classification of groundwater–surface water hydrodynamic interactions in karst watersheds: Case of the karst watershed of the Coulazou River (Southern France)

Bailly-Comte, Vincent; Jourde, Hervé; Pistre, Séverin

doi:10.1016/j.jhydrol.2009.07.053

Cited by 92 publications

(79 citation statements)

References 17 publications

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“…The complex nature of karst systems and their structural heterogeneity subsequently create complicated hydrodynamics unique to each system's storage and drainage structures [8]. These intricacies heavily influences the surface water-groundwater interactions, particularly during flooding events [9,10]. The study area is located within the recharge area of the fractured carbonate Western Mountain aquifer (Yarkon-Taninim) [27].…”

Section: Introductionmentioning

confidence: 99%

Quantification of Groundwater Recharge from an Ephemeral Stream into a Mountainous Karst Aquifer

Dvory

Ronen

Livshitz

et al. 2018

Water

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Sustainable groundwater production from karst aquifers is primarily dictated by its recharge rate. Therefore, it is essential to accurately quantify annual groundwater recharge in order to limit overexploitation and to evaluate artificial methods for groundwater enrichment. Infiltration during erratic flood events in karst basins may substantially contribute to aquifer recharge. However, the complicated nature of karst systems, which are characterized in part by multiple springs, sinkholes, and losing/gaining streams, impede accurate quantification of the actual contribution of flood waters to groundwater recharge. In this study, we aim to quantify the proportion of groundwater recharge accrued during runoff events in a karst aquifer. The role of karst conduits on flash flood infiltration was examined during four flood and controlled runoff events in the Soreq creek near Jerusalem, Israel. We distinguished between direct infiltration, percolation through karst conduits, and diffuse infiltration-the latter of which is most affected by evapotranspiration. A water balance was calculated for the 2014/15 hydrological year using the Hydrologic Engineering Center-Hydrologic Modelling System (HEC-HMS). Simulations show that 6.8 to 19.2% of the annual recharge volume was added to the aquifer from infiltration of runoff losses along the creek through the karst system.

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Section: Introductionmentioning

confidence: 99%

Quantification of Groundwater Recharge from an Ephemeral Stream into a Mountainous Karst Aquifer

Dvory

Ronen

Livshitz

et al. 2018

Water

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“…In karst systems these groundwater-surface water (GW-SW) interactions are particularly more complex as they occur through fractures and conduits. Bailly-Comte et al (2009) present a conceptual model of GW-SW interactions in the case of a karst aquifer of the south of France. The characterisation of these GW-SW interactions is likely to significantly improve the assessment of availability and exploitation risks of groundwater systems, while indicating the potential of groundwater contamination by polluted surface water or vice-versa.…”

Section: Introductionmentioning

confidence: 99%

Quantifying and modelling the contribution of streams that recharge the Querença-Silves aquifer in the south of Portugal

Salvador

Monteiro

Hugman

et al. 2012

Nat. Hazards Earth Syst. Sci.

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Abstract. The water balance of the mesocenozoic aquifers of the Algarve, in the south of Portugal has traditionally been estimated considering only direct ("autogenic") recharge from rainfall occurring in the area of the aquifers. Little importance has been attributed to so-called allogenic recharge, originating from streambed infiltration from runoff generated outside the aquifers, particularly in the Palaeozoic rocks to the north where runoff is high. The Querença-Silves (QS) aquifer is the most important aquifer of the region both for irrigation and public water supply. Several important and sensitive surface/groundwater ecotones and associated groundwater dependent ecosystems exist at the springs of the natural discharge areas of the aquifer system. A numerical flow model has been in constant development over the last few years and currently is able to reproduce the aquifer's responses to estimated direct recharge and abstraction for the years 2001-2010. However, recharge calculations for the model do not take into account allogenic recharge infiltration along influent reaches of streams. The quantification of allogenic recharge may further improve the assessment of water availability and exploitation risks. In this paper an attempt is made to quantify the average annual contribution of allogenic recharge to the QS aquifer, based on monitoring data of the principal water courses that cross the aquifer system. Significant uncertainties related to surface runoff generated within the aquifer area, as well as areal recharge were identified and the consequences for the optimization of spatial distribution of transmissivity in the groundwater flow model are also addressed.

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“…Bonacci et al (2006) and Bailly-Comte et al (2009) detailed this response from a local point of view. Coustau et al (2012) showed that when working at more global scale, it appears that the karst response to rainfall is strongly dependent of its filling at the begin-ning of the event.…”

Section: Introductionmentioning

confidence: 99%

Combining hydraulic model, hydrogeomorphological observations and chemical analyses of surface waters to improve knowledge on karst flash floods genesis

et al. 2015

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Abstract. During a flood event over a karst watershed, the connections between surface and ground waters appear to be complex ones. The karst may attenuate surface floods by absorbing water or contribute to the surface flood by direct contribution of karst waters in the rivers (perennial and overflowing springs) and by diffuse resurgence along the hillslopes. If it is possible to monitor each known outlet of a karst system, the diffuse contribution is yet difficult to assess. Furthermore, all these connections vary over time according to several factors such as the water content of the soil and underground, the rainfall characteristics, the runoff pathways. Therefore, the contribution of each compartment is generally difficult to assess, and flood dynamics are not fully understood. To face these misunderstandings and difficulties, we analysed surface waters during six recent flood events in the Lirou watershed (a karst tributary of the Lez, in South of France). Because of the specific chemical signature of karst waters, chemical analyses can supply information about water pathways and flood dynamics. Then, we used the dilution law to combine chemical results, flow data and field observations to assess the dynamics of the karst component of the flood. To end, we discussed the surface or karst origin of the waters responsible for the apparent runoff coefficient rise during flash karst flood.

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Conceptualization and classification of groundwater–surface water hydrodynamic interactions in karst watersheds: Case of the karst watershed of the Coulazou River (Southern France)

Cited by 92 publications

References 17 publications

Quantification of Groundwater Recharge from an Ephemeral Stream into a Mountainous Karst Aquifer

Quantification of Groundwater Recharge from an Ephemeral Stream into a Mountainous Karst Aquifer

Quantifying and modelling the contribution of streams that recharge the Querença-Silves aquifer in the south of Portugal

Combining hydraulic model, hydrogeomorphological observations and chemical analyses of surface waters to improve knowledge on karst flash floods genesis

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