Adjunct Professor

05/ 700 19 31
05/ 700 19 99
Research interests


  • 1995–2001 (Undergraduate study at the Department of Geography and Department of African and Asian Studies, Faculty of Arts, University of Ljubljana);
  • 2001–2007 (Postgraduate study at the University of Nova Gorica, Graduate School of Karstology).


Education abroad:

  • 1997/1998 (under the aegis of the University of Ljubljana):
    • Xinzhu, Tajvan;
  • 1998/1999 (undergraduate training):
    • Shaanxi Teacher's University, Xian and at the University of Yunnan, Kunming, People’s Republic of China;
  • May 2004 (international scientific training):
    • Centre of hydrogeology, University of Neuchâtel, Switzerland;
  • April - May 2010 (international scientific training):
    • Centre of hydrogeology, University of Malaga, Spain;
  • 2004, 2009, 2014, 2015:
    • Bilateral cooperation with People’s Republic of China (Yunnan Institute of Geography, Kunming, International Research Center on Karst, Guilin, Institute of Urban Environment, Xiamen).


Fields of scientific research and pedagogical activity:

  • karstology;
  • speleology;
  • karst hydrology;
  • environment protection;
  • water resources and water supply;
  • water vulnerability and risk to contamination assessment;
  • natural hazards - floods;
  • geographical information systems.



  • International Geographical Union (IGU) – Karst Commission;
  • International Association of Hydrogeologists (IAH) - Karst Commission;
  • Geomophological Society of Slovenia;
  • Association of Slovenian Geographers - Commission For Scientific Work.


Editorship and membership of editorial boards:

  • Co-editor and member of the Editorial Board of the Acta Carsologica;
  • Member of the Editorial Board of the Urban Challenge;
  • Member of the Editorial Board of the Acta Geobalcanica;
  • Member of the Editorial Board of the Research in Tourism and Karst Areas.


Pedagogical activity:

  • Karstology graduate study programme, University of Nova Gorica and ZRC SAZU;

  • School of Rural Management, Novo mesto.

Selected publications

Selected bibliography:

  • RAVBAR, Nataša, KOVAČIČ, Gregor. Vulnerability and protection aspects of some Dinaric karst aquifers : a synthesis. Environmental earth sciences, 2015, 74, 1, 129-141
  • RAVBAR, Nataša, ŠEBELA, Stanka. The effectiveness of protection policies and legislative framework with special regard to karst landscapes : insights from Slovenia. Environmental science & policy, 2015, 51, 106-116
  • TURK, Janez, MALARD, Arnauld, JEANNIN, Pierre-Yves, PETRIČ, Metka, GABROVŠEK, Franci, RAVBAR, Nataša, VOUILLAMOZ, Jonathan, SLABE, Tadej, SORDET, Valentin. Hydrogeological characterization of groundwater storage and drainage in an alpine karst aquifer (the Kanin massif, Julian Alps). Hydrological processes,  2015, 29, 8, 1986-1998
  • RAVBAR, Nataša, KOŠUTNIK, Jure. Variations of karst underground air temperature induced by various factors (Cave of Županova jama, Central Slovenia). Theoretical and applied climatology, 2014, 116, 1-2, 327-341
  • TURK, Janez, MALARD, Arnauld, JEANNIN, Pierre-Yves, VOUILLAMOZ, Jonathan, MASINI, Jean, PETRIČ, Metka, GABROVŠEK, Franci, RAVBAR, Nataša, SLABE, Tadej. Interpretation of hydrogeological functioning of a high karst plateau using the KARSYS approach : the case of Trnovsko-Banjška planota (Slovenia. Acta carsologica, 2013, 42, 1, 61-74
  • RAVBAR, Nataša. Variability of groundwater flow and transport processes in karst under different hydrologic conditions. Acta carsologica, 2013, 42, 2/3, 327-338
  • RAVBAR, Nataša (avtor, fotograf), KOVAČIČ, Gregor (avtor, fotograf), MARÍN, Ana Isabel. Abandoned water resources as potential sources of drinking water - the Korentan karst spring near Postojna. Acta geographica Slovenica, 2013, 53, 2, 295-316
  • KOVAČIČ, Gregor, RAVBAR, Nataša. Analysis of human induced changes in a karst landscape : the filling of dolines in the Kras plateau, Slovenia. Science of the total environment, 2013, 447, 143-151
  • RAVBAR, Nataša, BARBERÁ, Juan Antonio, PETRIČ, Metka, KOGOVŠEK, Janja, ANDREO NAVARRO, Bartolomé. The study of hydrodynamic behaviour of a complex karst system under low-flow conditions using natural and artificial tracers (the catchment of the Unica River, SW Slovenia). Environmental earth sciences, 2012, 65, 8, 2259-2272
  •  KNEZ, Martin, KOGOVŠEK, Janja, LIU, Hong, MULEC, Janez, PETRIČ, Metka, RAVBAR, Nataša, SLABE, Tadej. Karstological study of the new Kunming airport building area (Yunnan, China). Environmental earth sciences, 2012, 67, 1, 273-283
  • GABROVŠEK, Franci, KNEZ, Martin, KOGOVŠEK, Janja, MIHEVC, Andrej, MULEC, Janez, PERNE, Matija, PETRIČ, Metka, PIPAN, Tanja, PRELOVŠEK, Mitja, SLABE, Tadej, ŠEBELA, Stanka, RAVBAR, Nataša. Development challenges in karst regions : sustainable land use planning in the karst of Slovenia. Carbonates and evaporites,  26, 4, 365-380
  • RAVBAR, Nataša, ENGELHARDT, Irina, GOLDSCHEIDER, Nico. Anomalous behaviour of specific electrical conductivity at a karst spring induced by variable catchment boundaries : the case of the Podstenjšek spring, Slovenia. Hydrological processes, 2011, 25, 13, 2130-2140
  • GABROVŠEK, Franci, KOGOVŠEK, Janja, KOVAČIČ, Gregor, PETRIČ, Metka, RAVBAR, Nataša, TURK, Janez. Recent results of tracer tests in the catchment of the Unica River (SW Slovenia). Acta carsologica, 2010, 39, 1, 27-37
  • RAVBAR, Nataša, KOVAČIČ, Gregor. Characterisation of karst areas using multiple geo-science techniques, a case study from SW Slovenia. Acta carsologica, 2010, 39, 1, 51-60
  • KOVAČIČ, Gregor, RAVBAR, Nataša. Extreme hydrological events in karsts areas of Slovenia, the case of the Unica River basin. Geodinamica Acta, 2010, 23, 1/3, 89-100
  • VÍAS, Jesus, ANDREO NAVARRO, Bartolomé, RAVBAR, Nataša, HÖTZL, Heinz. Mapping the vulnerability of groundwater to the contamination of four carbonate aquifers in Europe. Journal of environmental management, 2010, 91, 7, 1500-1510
  • RAVBAR, Nataša, GOLDSCHEIDER, Nico. Comparative application of four methods of groundwater vulnerability mapping in a Slovene karst catchment. Hydrogeology journal, 2009, 17, 3, 725-733
  • ANDREO NAVARRO, Bartolomé, RAVBAR, Nataša, VIAS, J. M. Source vulnerability mapping in carbonate (karst) aquifers by extension of the COP method : application to pilot sites. Hydrogeology journal, 2009, 17, 3, 749-758
  • RAVBAR, Nataša, GOLDSCHEIDER, Nico. Proposed methodology of vulnerability and contamination risk mapping for the protection of karst aquifers in Slovenia. Acta carsologica, 2007, 36, 3, 397-411
  • RAVBAR, Nataša. Advanced strategies in managing and sustaining karst water quality. V: STEVANOVIĆ, Zoran (ur.). Karst Aquifers - Characterization and Engineering. Heidelberg: Springer Verlag, 2015, str. 614-624
  • KOVAČIČ, Gregor, RAVBAR, Nataša. Validation of vulnerability assessment using time series analysis : the case of the Korentan spring, SW Slovenia. V: ANDREO NAVARRO, Bartolomé (ur.). Hydrogeological and environmental investigations in Karst systems, (Environmental Earth Sciences, ISSN 1866-6280, vol. 1). Heidelberg [etc.]: Springer, 2015, 415-424
  • RAVBAR, Nataša. Protection and management of Karst water sources catchments. V: LANNON, Evelyn C. (ur.). Drainage basins and catchment management : classification, modelling, and environmental assessment, (Water resource planning, development and management). New York: Nova Science Publishers, 2013, 143-168
  • RAVBAR, Nataša. The protection of karst waters : a comprehensive Slovene approach to vulnerability and contamination risk mapping, (Carsologica, 6). Postojna: Karst Research Institute at ZRC SAZU; Ljubljana: Založba ZRC, 2007, 254 pp.
All publications (COBISS) >>
Selected projects

Integral system of flood sustainable spatial planning (fundamental research project • 1 January 201631 December 2018)

Common system for the evaluation of the sustainability of water resources management in the Natural Parks Škocjanske Jame and Risnjak (INTERREG • 1 January 201417 June 2015)

Joint Geo-Information System (GIS) for Emergency Protection of Drinking Water Resources (INTERREG • 2 November 201130 October 2014)

FABRICA Centre of Excellence (applied project • 1 August 2011)

Research areas

Fizična geografija, geomorfologija, pedologija, kartografija, klimatologija P510 


karst • karst hydrology • vulnerability mapping • karst water sources • karst floods 

Recognitions & awards

Dr. France Munda Fund (1998) • World Federation of Scientists and the Slovene Scientific Foundation (2008)