Matej Blatnik
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View article: Precipitation-driven hydrological characteristics of Bei hot spring: Insights from dynamic variations of natural tracers (water discharge, water temperature, and electrical conductivity)
Precipitation-driven hydrological characteristics of Bei hot spring: Insights from dynamic variations of natural tracers (water discharge, water temperature, and electrical conductivity) Open
Study region: Bei hot spring in Chongqing, China. Study focus: The primary objectives of this research are to analyze geothermal water characteristics of Bei hot spring, simulate the dynamic process of water discharge (Q), groundwater temp…
View article: Investigating the hydrological behaviour of a shallow karst aquifer flooding intermittently: the Pivka Karst Aquifer (Slovenia)
Investigating the hydrological behaviour of a shallow karst aquifer flooding intermittently: the Pivka Karst Aquifer (Slovenia) Open
The Pivka Karst Aquifer is a shallow karst aquifer located under the Upper Pivka Valley, about 40 km SW from Ljubljana (Slovenia). This aquifer is connected to the larger Javorniki Karst Aquifer that borders the Upper Pivka Valley on the N…
View article: Unraveling the functioning of the vadose zone in alpine karst aquifers: New insights from a tracer test in the Migovec cave system (Julian alps, NW Slovenia)
Unraveling the functioning of the vadose zone in alpine karst aquifers: New insights from a tracer test in the Migovec cave system (Julian alps, NW Slovenia) Open
The aquifers of alpine karst and high karst plateaus are abundant water resources. They are difficult to characterise due to their complex, partly glaciokarstic, evolution in active tectonic environments, and an unsaturated zone up to two …
View article: Assessment of climatic and anthropogenic effects on flood dynamics in the Cerkniško Polje (SW Slovenia) based on a 70-year observation dataset
Assessment of climatic and anthropogenic effects on flood dynamics in the Cerkniško Polje (SW Slovenia) based on a 70-year observation dataset Open
Study Region: Cerkniško Polje, (SW Slovenia) - regularly flooded polje with a complex recharge and partly disturbed due to human interventions. Study Focus: We focus on the long-term flooding dynamics on the polje, including analyses of tr…
View article: A comprehensive early warning system for karst water sources contamination risk, case study of the Unica springs, SW Slovenia
A comprehensive early warning system for karst water sources contamination risk, case study of the Unica springs, SW Slovenia Open
Water suppliers should provide safe drinking water following preventive measures. This is especially important for karst water sources, as they are among the most vulnerable. Recently, there has been a strong focus on the early warning sys…
View article: Investigating the hydrological behaviour of the Upper Pivka Valley (Slovenia)
Investigating the hydrological behaviour of the Upper Pivka Valley (Slovenia) Open
The Pivka River is a 20 km long stream located 40 km SW from Ljubljana (Slovenia), which disappears in the world famous Postojna Cave. While the river flows permanently on flysch rocks in the valley lower part, water is only present tempor…
View article: Deciphering the water balance of poljes: example of Planinsko Polje (Slovenia)
Deciphering the water balance of poljes: example of Planinsko Polje (Slovenia) Open
Poljes are flat closed karst depressions prone to regular flooding. The floods can be several meters high, last for months and damage significantly human infrastructures. To predict the maximum level reached, the polje water balance needs …
View article: Multivariate Statistical Analysis of Hydrochemical and Microbiological Natural Tracers as a Tool for Understanding Karst Hydrodynamics (The Unica Springs, SW Slovenia)
Multivariate Statistical Analysis of Hydrochemical and Microbiological Natural Tracers as a Tool for Understanding Karst Hydrodynamics (The Unica Springs, SW Slovenia) Open
Various multivariate statistical techniques (MST) can provide valuable insights into water quality variability. Despite numerous studies in which these methods have been used, their potential has not been fully exploited. This paper presen…
View article: Slovene Classical karst: Kras Plateau and the Recharge Area of Ljubljanica River / Klasični kras: planota Kras in kraško zaledje izvirov Ljubljanice
Slovene Classical karst: Kras Plateau and the Recharge Area of Ljubljanica River / Klasični kras: planota Kras in kraško zaledje izvirov Ljubljanice Open
The area of the Classical Karst is roughly defined by a triangle with Ljubljana, Trieste and Rijeka as its vertices. This is the area where the first scientific studies of karst phenomena were conducted. Two sub-regions that particularly…
View article: Assessment of the water balance of a Dinaric karst polje (Planinsko Polje, Slovenia)
Assessment of the water balance of a Dinaric karst polje (Planinsko Polje, Slovenia) Open
<p>Poljes are flat closed depressions in karst terrains that are prone to regular flooding. The strongest floods can be several meters high and persist for months, making significant damages in infrastructures. To predict how climate…
View article: Surface-groundwater interactions in karst: overview, concept and mapping
Surface-groundwater interactions in karst: overview, concept and mapping Open
<p>Under special meteorological and hydrological circumstances, shallow karst areas and karst poljes may experience surface water overflow. As a result, surface- groundwater interaction occurs usually creating intermittent lakes. Alt…
View article: Determination of inundation areas within karst poljes and intermittent lakes for the purposes of ephemeral flood mapping
Determination of inundation areas within karst poljes and intermittent lakes for the purposes of ephemeral flood mapping Open
The karst environment presents a special challenge when it comes to identifying groundwater/surface-water interactions. Existing definitions of areas of regular flooding in karst regions are too general and lack a measurable approach for t…
View article: Supplement to the paper “Groundwater dynamics between Planinsko Polje and springs of the Ljubljanica River, Slovenia” from Blatnik et al. (2019) published in Acta Carsologica 48/2
Supplement to the paper “Groundwater dynamics between Planinsko Polje and springs of the Ljubljanica River, Slovenia” from Blatnik et al. (2019) published in Acta Carsologica 48/2 Open
The article of Blatnik et al. (2019) “Groundwater dynamics between Planinsko Polje and springs of the Ljubljanica River, Slovenia” published in Acta Carsologica, 48/2 focused on describing the hydrogeological behaviour of the aquifer betwe…
View article: Author Correction: Global karst springs hydrograph dataset for research and management of the world’s fastest-flowing groundwater
Author Correction: Global karst springs hydrograph dataset for research and management of the world’s fastest-flowing groundwater Open
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
View article: Assessment of different worst-case flood scenarios for Planinsko Polje (Slovenia)
Assessment of different worst-case flood scenarios for Planinsko Polje (Slovenia) Open
<p>Planinsko Polje is a typical example of structural polje located in South Slovenia that encounters regular flooding. The floods can occur several time per year and create a more than 10 km<sup>2</sup> large temporary l…
View article: Modeling spatial and temporal hydrologic variability of karst vulnerability at a large Slovenian karst aquifer
Modeling spatial and temporal hydrologic variability of karst vulnerability at a large Slovenian karst aquifer Open
<p>About 50% of the Slovene drinking water demand are covered by karst aquifers. Consequently, appropriate protection and sustainable management of these aquifers are essential. Due to the hydrologic complexity and variability of kar…
View article: Groundwater dynamics between Planinsko Polje and springs of the Ljubljanica River, Slovenia
Groundwater dynamics between Planinsko Polje and springs of the Ljubljanica River, Slovenia Open
Caves reaching the (epi)phreatic zone may provide the only access to groundwater in the internal parts of karst aquifers. Modern instruments enable unattended high frequency measurements of groundwater parameters in such caves. A network o…
View article: Sorted Paterned in Karst Caves: Development and Potential for Permafrost Research
Sorted Paterned in Karst Caves: Development and Potential for Permafrost Research Open
One of the most distinctive periglacial landscape landforms is patterned ground. Although usually found in mountains or in polar regions, it has also been reported from several karst caves in Slovenian Dinaric Mountains and Alps, Swiss Jur…
View article: World Karst Spring hydrograph (WoKaS) database for research and management of the world’s fastest-flowing groundwater
World Karst Spring hydrograph (WoKaS) database for research and management of the world’s fastest-flowing groundwater Open
World Karst Spring hydrograph (WoKaS) database is a compilation of karst spring discharge observations from across the globe. The database consist of over 400 spring discharge datasets which were collected from researchers, national hydrol…
View article: Global karst springs hydrograph dataset for research and management of the world’s fastest-flowing groundwater
Global karst springs hydrograph dataset for research and management of the world’s fastest-flowing groundwater Open
World Karst Spring hydrograph (WoKaS) database is a compilation of karst spring discharge observations from across the globe. The database consist of over 400 spring discharge datasets which were collected from researchers, national hydrol…
View article: Development of eDNA methods for monitoring two stygobiotic species of the Dinaric Karst, Proteus anguinus and Congeria jalzici, using digital PCR
Development of eDNA methods for monitoring two stygobiotic species of the Dinaric Karst, Proteus anguinus and Congeria jalzici, using digital PCR Open
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View article: Environmental DNA in subterranean biology update: from “Where?” to “How many?”
Environmental DNA in subterranean biology update: from “Where?” to “How many?” Open
Recent records of Proteus anguinus outside its historically known range (Gorički et al. 2017), discovered through detection of its DNA dissolved in groundwater (environmental DNA or eDNA), mark the beginning of a new era in the study and c…
View article: Detection of Divaška Jama corridors behind (to the SW) Trhlovca cave using low frequency high power ground penetrating radar
Detection of Divaška Jama corridors behind (to the SW) Trhlovca cave using low frequency high power ground penetrating radar Open
Ground penetrating radar (GPR) named “Roteg” was used to detect known and unknown passages of Divaška Jama and Trhlovca caves in SW Slovenia. “Roteg’s” main characteristics are an extraordinary high power output (20 MW) and high voltage on…
View article: Measurements of the Outflow Along the Eastern Border of Planinsko Polje, Slovenia
Measurements of the Outflow Along the Eastern Border of Planinsko Polje, Slovenia Open
Planinsko Polje is the westernmost active polje of Dinaric karst. It is a typical overflow-structural polje, with springs on the southern side feeding the superficial flow of Unica River. The river meanders over the polje towards the termi…