http://publicationslist.org/data/natasa.ravbar/atom.xml Nataša Ravbarhttp://publicationslist.org/natasa.ravbar$basepathfavicon.icoRecent additions to Nataša Ravbar's PublicationsList.org pagehttp://publicationslist.org/publications.png2014-06-10T10:18:31Z http://publicationslist.org/natasa.ravbar/refid44 2012-08-08T09:31:21Z

CULVER, D C., DEBEVEC, B, KNEZ, M, KOVAČIČ, G, KRANJC, A, MULEC, J, PIPAN, T, PRELOVŠEK, M, RAVBAR, N, SEMEJA, A, SLABE, T, ŠEBELA, S, ZUPAN HAJNA, N, KNEZ, M, PETRIČ, M, SLABE, T (2012) :<br/>

http://publicationslist.org/natasa.ravbar/refid35 2012-08-08T08:53:26Z

M. Knez, J. Kogovšek, H. Liu, J. Mulec, M. Petrič, N. Ravbar, T. Slabe (2012) <i>Environmental earth sciences</i> 66: 1-11<br/>

http://publicationslist.org/natasa.ravbar/refid34 2012-08-08T08:48:21Z

In this study a multi-tracer test with fluorescent tracers was combined with time series analyses of natural tracers to characterize the dynamics of the solute transport through different recharge pathways and to study hydraulic behaviour of a binary karst system under low-flow conditions. Fluorescent tracer testing included the introduction of uranine, amidorhodamine G, or naphthionate at three i...<br/><br/>N. Ravbar, JA. Barbera, M. Petrič, J. Kogovšek, B. Andreo Navarro (2012) <i>Environmental earth sciences</i> 65: 8 2259-2272 <br/>

http://publicationslist.org/natasa.ravbar/refid41 2012-08-08T09:22:32Z

Ravbar N (2011) <i>Karstology and development challanges on karst</i> 137-147<br/>

http://publicationslist.org/natasa.ravbar/refid31 2012-08-08T08:44:16Z

Anomalous behaviour of specific electrical conductivity (SEC) was observed at a karst spring in Slovenia during 26 high-flow events in an 18-month monitoring period. A conceptual model explaining this anomalous SEC variability is presented and reproduced by numerical modelling, and the practical relevance for source protection zoning is discussed. After storm rainfall, discharge increases rapidly,...<br/><br/>N Ravbar, I Engelhardt, N Goldscheider (2011) <i>Hydrological Processes</i> 25: 13 2130-2140<br/>

http://publicationslist.org/natasa.ravbar/refid30 2012-08-08T08:40:00Z

The comprehensive knowledge of karst surface, caves, waters and biodiversity were examined with special emphasis on planning for environmental management and land use in karst regions using examples of projects performed by the staff from the Karst Research Institute ZRC SAZU. Based on the knowledge of karst, karst phenomena, karst waters and karst biodiversity, karstological monitoring was develo...<br/><br/>F. Gabrovšek, M. Knez, J. Kogovšek, A. Mihevc, J. Mulec, M. Perne, M. Petrič, T. Pipan, M. Prelovšek, T. Slabe, S. Šebela, N. Ravbar (2011) <i>Carbonates and Evaporites</i> 26: 4 365-380<br/>

http://publicationslist.org/natasa.ravbar/refid42 2012-08-08T09:24:40Z

PETRIČ, M, KOGOVŠEK, J, RAVBAR, N (2011) <i>Karstology and development challanges on karst</i> 124-136<br/>

http://publicationslist.org/natasa.ravbar/refid43 2012-08-08T09:26:00Z

PETRIČ, M, RAVBAR, N, KOGOVŠEK, J (2011) <i>Karstology and development challanges on karst</i> 7-19<br/>

http://publicationslist.org/natasa.ravbar/refid39 2012-08-08T09:17:44Z

N Ravbar (2011) <i>Pressures and protection of the underground karst : cases from Slovenia and Croatia</i> 147-153<br/>

http://publicationslist.org/natasa.ravbar/refid36 2012-08-08T09:01:12Z

To assess the applicability of different source vulnerability methods, two recently developed methods (the COP+K and the Slovene Approach) were applied in the recharge area of the Korentan karst spring in SW Slovenia. The selected methods (one being a modification of the other) take into account the special characteristics of karst aquifers (heterogeneity, duality of the infiltration process, etc....<br/><br/> AI MARÍN, N RAVBAR,G KOVAČIČ, B ANDREO NAVARRO, M PETRIČ, (2011) <i> Proceedings of the 9th Conference on Limestone Hydrogeology.</i> 327-330<br/>

http://publicationslist.org/natasa.ravbar/refid38 2012-08-08T09:15:29Z

N Ravbar (2011) <i>Pressures and protection of the underground karst : cases from Slovenia and Croatia</i> 154-159<br/>

http://publicationslist.org/natasa.ravbar/refid40 2012-08-08T09:21:12Z

KOVAČIČ, G, RAVBAR, N (2011) <i>Karstology and development challanges on karst</i> 148-158<br/>

http://publicationslist.org/natasa.ravbar/refid26 2010-06-07T09:27:01Z

In the catchment area of the Unica River two combined tracer tests with fluorescent dyes have been performed aiming to characterize the properties of groundwater flow and transport of contaminants through the vadose zone and well developed system of karst channels in the epiphreatic and phreatic zone in different hydrologic conditions. Tracers were injected directly into the ponors and to the oil ...<br/><br/>Gabrovšek F., Kogovšek J., Kovačič G., Petrič M., Ravbar N., Turk J. (2010) <i>Acta Carsologica</i> 39: 1 27-37<br/>

http://publicationslist.org/natasa.ravbar/refid25 2010-05-13T11:40:47Z

As it is expected the global warming to induce changes in hydrological regimes, the presented study has been conducted to understand how karst groundwater resources may be affected during long-term dry period. A multi-tracer test with three injection points aimed at identifying the dynamics of underground drainage through well developed system of karst channels and through vadose zone. Results sho...<br/><br/>N Ravbar, M Petrič, J Kogovšek (2010) : 131-136<br/>

http://publicationslist.org/natasa.ravbar/refid24 2010-05-13T11:30:26Z

The vulnerability of four European aquifers with different hydrogeological and climatic characteristics was evaluated using COP method. The results obtained were statistically analyzed by determination coefficients to measure which factor has a greater importance in the vulnerability index. Furthermore, a new parameter has been designed to measure the vulnerability for the whole of the aquifer. Th...<br/><br/>J.M. Vías, B. Andreo, N. Ravbar and H. Hötzl (2010) <i>Journal of Environmental Management</i> 91: 7 1500-1510<br/>

http://publicationslist.org/natasa.ravbar/refid27 2010-06-07T09:30:47Z

This paper presents utilization of several different investigation techniques to better characterize karst environment. Geomorphological mapping, together with structural and lithological mapping, and electrical resistivity imaging have been carried out in a selected test site in order to evaluate intrinsic characteristics of a karst area. Identification, positioning and quantification of morphome...<br/><br/>Ravbar N., Kovačič G. (2010) <i>Acta Carsologica</i> 39: 1 51-60<br/>

http://publicationslist.org/natasa.ravbar/refid28 2010-08-03T08:56:26Z

The study presents natural hazards in Slovenia’s karst, focusing on flooding in karst poljes. A specific study was done on the flood dynamics of two typical and connected karst poljes (Cerknica and Planina) of the Classical Karst region. In the case of particularly extreme hydrological conditions in the autumn of 2008, detailed analyses of the recharge-discharge regime and the interrelationship ...<br/><br/>Kovačič G, Ravbar N (2010) <i>Geodinamica Acta</i> 23: 1-3 89-100<br/>

http://publicationslist.org/natasa.ravbar/refid33 2012-08-08T08:44:16Z

N Goldscheider, N Ravbar (2010) <i>Acta Carsologica</i> 39: 2 169-172<br/>

http://publicationslist.org/natasa.ravbar/refid29 2012-08-08T08:34:50Z

Goldscheider, N, Ravbar N (2010) <i>Acta Carsologica</i> 39: 2 169-172<br/>

http://publicationslist.org/natasa.ravbar/refid23 2009-07-20T14:16:30Z

A step from resource to source vulnerability mapping is presented, based on the European COST Action 620 approach for karst groundwater protection. Guidelines on vulnerability assessment of the horizontal groundwater flow path within the karst saturated zone (K factor) are proposed. By integrating this into the previously existing COP method for intrinsic resource vulnerability mapping, adequate s...<br/><br/>B Andreo, N Ravbar, JM Vías (2009) <i>Hydrogeology Journal</i> 17: 3 749-758<br/>

http://publicationslist.org/natasa.ravbar/refid1 2009-07-20T14:15:25Z

Four methods of groundwater vulnerability mapping have been applied in a Slovene karst catchment and validated by tracer tests. The test site is characterised by high water table fluctuations, manifested in intermittent lakes and variable drainage divides. A first multi-tracer test (two injections) allowed subdivision of the catchment into zones of different degrees of contribution (‘inner zon...<br/><br/>N Ravbar, N Goldscheider (2009) <i>Hydrogeology Journal</i> 17: 3 725-733<br/>

http://publicationslist.org/natasa.ravbar/refid2 2008-10-21T10:41:11Z

On the basis of work accomplished by the European COST Action 620, a comprehensive approach to groundwater vulnerability and contamination risk assessment is proposed, taking into account the special characteristics of Slovene karst aquifer systems. The Slovene Approach is consistent with national environmental legislation and enables comparison across European countries. The method integrates tem...<br/><br/>N Ravbar, N Goldscheider (2007) <i>Acta Carsologica</i> 36: 3 461-475<br/>

http://publicationslist.org/natasa.ravbar/refid4 2010-05-13T11:30:40Z

N Ravbar (2007) 6:<br/>

http://publicationslist.org/natasa.ravbar/refid22 2008-10-21T10:40:55Z

A general approach for karst water vulnerability and contamination risk assessment has been proposed, taking into account the special characteristics of Slovene karst landscapes, suiting Slovene environmental legislation and enabling comparison across European countries. The so-called Slovene Approach has been developed on the basis of work accomplished by the European COST Action 620. It incorpor...<br/><br/>Ravbar N (2007) <br/>

http://publicationslist.org/natasa.ravbar/refid32 2012-08-08T08:44:16Z

N Ravbar, N Goldscheider (2007) <i>Proceedings of the 15th International Karstological School, 18-22 June 2007, Postojna: 4 p. (unpaginated CD-ROM).</i> <br/>

http://publicationslist.org/natasa.ravbar/refid5 2008-10-20T07:07:26Z

Slovene karst sources are of great national importance for drinking water supply. Since karst aquifer systems are very susceptible to contamination, these sources require appropriate and careful managing. Unfortunately, in the acts of Slovene legislation, the special characteristics of water flow within karst regions are not very seriously taken into consideration in determining the criteria for k...<br/><br/>Ravbar N, Kovačič G (2006) <i>Acta carsologica</i> 35: 2 73-82<br/>

http://publicationslist.org/natasa.ravbar/refid20 2008-10-21T10:27:28Z

The present paper presents the impacts of pasturing on karst groundwater quality on the Velika planina alpine karst plateau. There are no permanent residents on the plateau. Nevertheless, some serious hazards to the quality of the respective karst springs are arising from sports, tourist and farming activities. According to data the later do not pose a serious threat to the quality of karst ground...<br/><br/>Kovačič G, Ravbar N (2006) <i>Changing social conditions and their impacts on the geoecology : transhumance regions of Romania and Slovenia </i> 148-157<br/>

http://publicationslist.org/natasa.ravbar/refid21 2008-10-21T10:33:39Z

Aledo Tur A, Ortiz Noguera G, Jeffrey P, Gearey M, Rinaudo J-D, Loubier S, Veljanovski T, Ravbar N (2006) <i>Water management in arid and semi-arid regions : interdisciplinary perspectives. </i> 201-225<br/>

http://publicationslist.org/natasa.ravbar/refid13 2009-07-20T14:20:27Z

The article presents potential and actual sources of groundwater contamination on the Kras plateau, which is the recharge area of the Klari~i karst water source that provides drinking water for the Kras plateau and Koprsko primorje. The water source is insufficiently protected due to inadequate water protection policy and the control over the implementation of the provisions has often been ineffec...<br/><br/>Ravbar N (2006) <i>Acta geographica Slovenica</i> 46: 2 169-189<br/>

http://publicationslist.org/natasa.ravbar/refid17 2008-10-21T10:15:12Z

Existing methods on karst groundwater vulnerability mapping take into account a variety of factors that control the infiltration of water and contaminants from the land surface towards the groundwater, such as overlying layers, concentration of flow, karst network development, and precipitation regime. Karst systems often show fast and strong hydrologic variations in response to precipitation even...<br/><br/>Ravbar N, Goldscheider N (2006) <i>Proceedings of the 8th conference on limestone hydrogeology, Neuchâtel, Switzerland, 21-23 September 2006. </i> 229-233<br/>

http://publicationslist.org/natasa.ravbar/refid16 2008-10-21T10:10:40Z

In Slovenia karst water sources contribute up to 50 % of the total drinking water supply. In dry period of the year this amount reaches about 2/3 of the total consumption. The quality of karst water is still relatively high, but some signs of contamination have already been recorded in some of the springs. The respective karst aquifers are mainly in remote areas and are due to their relief or un...<br/><br/>Ravbar N (2006) <i>Karst, cambio climático y aguas subterráneas</i> 231-237<br/>

http://publicationslist.org/natasa.ravbar/refid6 2008-10-20T07:10:59Z

The present paper presents the hazard mapping of groundwater on the Velika planina alpine karst plateau. There are no permanent residents on the plateau. Nevertheless, some serious hazards to the quality of the respective karst springs are arising from sports, tourist and farming activities. Some pollution has been already recorded in springs, showing the shortcomings of drinking water management ...<br/><br/>Kovačič G, Ravbar N (2005) <i>Acta carsologica</i> 34: 1 73-85<br/>

http://publicationslist.org/natasa.ravbar/refid18 2008-10-21T10:19:39Z

The present article presents the historical development and the contemporary condition of water supplies from the karst water resources in south-western Slovenia. Data as regards the water resources that are intended for water supply is provided. The final results regarding the use of water, the extent of the waterworks networks, the distribution of drinking water, the number of people that are...<br/><br/>Ravbar N (2005) <i>Kras : water and life in a rocky landscape</i> 475-493<br/>

http://publicationslist.org/natasa.ravbar/refid19 2008-10-21T10:38:04Z

An extensive analysis of drinking water household users has been performed in 2003 in south-western Slovenia. The most important goal of the present research was to deepen the understanding of the socio-cultural, economic and technological characteristics of drinking water consumption. Thus we can deduct as regards the factors, which can cause a change in the treatment of water resources. The b...<br/><br/>Veljanovski T, Ravbar N (2005) <i>Kras : water and life in a rocky landscape</i> 494-512<br/>

http://publicationslist.org/natasa.ravbar/refid15 2008-10-21T10:03:21Z

Karst aquifers are very complex in comparison with non-karst ones. Due to their specific structure, flow of the groundwater is unpredictable and its reactions to contamination can be very diverse. The response of the karst environment and its constituents to anthropogenic contamination is very specific and characteristically differs from that of other environments, because travel of contaminants t...<br/><br/>Ravbar N (2005) <i>Water resources and environmental problems in karst : proceedings of the International conference and field seminars, Belgrade and Kotor / Serbia and Montenegro / 13-19 September 2005.</i> 193-200<br/>

http://publicationslist.org/natasa.ravbar/refid3 2008-10-20T07:30:04Z

Slovenian karst areas extend over 43% of the country; limestones and dolomites of the Mesozoic era prevail. In Slovenia karst groundwater contributes up to 50% of the total drinking water supply. The quality of water is very high, despite the fact that it is extremely vulnerable to pollution. The present article is a study and a review of the potential and actual sources of pollution to the ground...<br/><br/>G Kovačič, N Ravbar (2005) <i>Nat. hazards earth syst. sci. </i> 5: 2 225-233<br/>

http://publicationslist.org/natasa.ravbar/refid8 2008-10-20T07:17:49Z

In the past the biggest economic problem on the Kras plateau used to be drinking water supply, which has also been one of the reasons for sparsely populated Kras plateau. Today the Water Supply Company provides drinking water to households and industry on the Kras plateau and the quantity is suffi cient to supply the coastal region in the summer months as well. Water supply is founded on effectiv...<br/><br/>Ravbar N (2004) <i>Acta carsologica</i> 33: 1 73-84<br/>

http://publicationslist.org/natasa.ravbar/refid7 2008-10-20T07:13:24Z

At dry season the Pivka river appears between Prestranek and Rakitnik while near Zagorje the underground karst waters are about ten meters below the valley bottom of periodical Pivka river. High waters pour over the surface and fi ll stream valley of the Pivka river, which runs continually from Zagorje to the ponor of Postojnska jama. When the level of the underground water increases, also shal...<br/><br/>Ravbar N, Šebela S (2004) <i>Acta carsologica</i> 33: 1 189-173<br/>

http://publicationslist.org/natasa.ravbar/refid10 2008-10-20T07:22:47Z

The first real scientific exploration of karst and karst caves in south China was undertaken by Xu Xiake (1587 - 1641). Chinese karst was studied by Xu Xiake for more than thirty years. He described his journeys to almost half of the territory of the Ming dynasty in his book ÅXu XiakeÕs travelsÇ (ÅXu Xiake youjiÇ), that was first published in 1642. He dedicated a lot of time to the researc...<br/><br/>Ravbar N (2003) <i>Acta carsologica</i> 32: 1 243-254<br/>

http://publicationslist.org/natasa.ravbar/refid12 2008-10-20T07:35:55Z

Water supply in Koprsko primorje is being founded on efficacious karst springs Rižana and Gradole and karst underground water, which is pumped in Klariči. Because of the increased need of drinking water, problems of water provision appear, especially in summertime. Enormous and still growing consumption of drinking water in Koprsko primorje is forcing into search for new efficacious water resour...<br/><br/>Ravbar N (2003) <i>RMZ-mater. geoenviron.</i> 50: 1 321-324<br/>

http://publicationslist.org/natasa.ravbar/refid9 2008-10-20T07:20:45Z

The concept of karst aquifer vulnerability mapping is commonly used for the determination of water protection zones and planning of land use in the background of the captured karst sources and wells. Several different methodologies for karst aquifer vulnerability mapping exist and the examination of scientific literature shows considerable variations in the definition of the term vulnerability....<br/><br/>Kovačič G, Ravbar N (2003) <i>Acta carsologica</i> 32: 2 307-314<br/>

http://publicationslist.org/natasa.ravbar/refid14 2008-10-21T09:58:06Z

Dolines are the most typical geomorphological feature of the karst relief in the temperate zone. Dolines vary greatly in their morphology and origin from (1) solution dolines and (2) “inherited dolines” (formed by the exposure of underground caverns through surface erosion) to (3) collapse dolines. This article deals with the dolines in a selected area on the Kras plateau in southwestern Slo...<br/><br/>Ravbar N, Zorn M (2003) <i>Geomorphol. Slovaca</i> 3: 2 64-72<br/>

http://publicationslist.org/natasa.ravbar/refid11 2008-10-20T07:25:53Z

Good knowledge of terminology in different languages is indispensable to be able to present correctly the results of scientific work, for international cooperation of experts and for translating professional texts. Purpose of the present article is to represent the typical Chinese karst landscape and to explain the terms used in the country. Although karst researches in China are carried out se...<br/><br/>Ravbar N (2002) <i>Acta carsologica</i> 31: 2 189-208<br/>