| Impact of the recent drought period on groundwater in Bulgaria T Orehova, E Bojilova Proceedings of the Congress-International Association for Hydraulic Research …, 2001 | 17 | 2001 |
| Evaluation of the potential groundwater recharge. Example of the Ogosta River Basin, NW Bulgaria T Orehova, I Zektser, A Benderev, O Karimova Comptes rendus de l’Académie bulgare des Sciences 65 (10), 2012 | 13 | 2012 |
| Some aspects of groundwater regime in Bulgaria with respect to climate variability AD Benderev, TV Orehova, EK Bojilova Geological Society, London, Special Publications 288 (1), 13-24, 2008 | 11 | 2008 |
| Climate variability and its influence on groundwater in Central Bulgaria during the last decades T Andreeva, T Orehova Comptes Rendus de l'Academie Bulgare des Sciences, vol. 54, p. 11: 39 54 (11 …, 2001 | 11 | 2001 |
| Seasonal changes of the soil-water potential in loess deposits, Northeastern Bulgaria case D Antonov, T Orehova, P Gerginov, S Kolev Review of the Bulgarian Geological Society 79 (3), 133-134, 2018 | 10 | 2018 |
| Water resources in Bulgaria during the drought period-quantitative investigations S Gerassimov, E Bojilova, T Orehova, M Guenev PROCEEDINGS OF THE CONGRESS-INTERNATIONAL ASSOCIATION FOR HYDRAULIC RESEARCH …, 2001 | 10 | 2001 |
| Tracing groundwater recharge conditions based on environmental isotopes and noble gases, Lom depression, Bulgaria M Túri, M Molnár, T Orehova, A Toteva, V Hristov, A Benderev, A Horváth, ... Journal of Hydrology: Regional Studies 24, 100611, 2019 | 9 | 2019 |
| Moisture regime in the upper part of the loess complex in North-Eastern Bulgaria P Gerginov, T Orehova, V Petrova, D Antonov Rev. Bulg. Geol. Soc 79 (3), 139-140, 2018 | 9 | 2018 |
| Evaluation of the atmospheric chloride deposition in the Danube hydrological zone of Bulgaria T Orehova, T Vasileva Environmental earth sciences 72, 1143-1154, 2014 | 9 | 2014 |
| Groundwater vulnerability map for the Ogosta River Basin, northwestern Bulgaria T Orehova, P Gerginov, O Karimova Geologica Balcanica 38 (1-3), 59—67, 2009 | 9 | 2009 |
| Influence of drought period of 1982-1994 to the groundwater regime in the Danube hydrological zone E Bojilova, T Orehova XX Conference of the Danube countries, 4-8 September, 2000 | 7 | 2000 |
| Overview of national hydrogeological network of Bulgaria T Orehova, R Roussev BALWOIS-Conference on Water Observation and Information System for Decision …, 2004 | 5 | 2004 |
| Comparative estimate of resistance to drought for selected karstic aquifers in Bulgaria T Orehova International Journal of Speleology 33 (1), 7, 2004 | 5 | 2004 |
| Geological and hydrogeological controls on possible transboundary groundwater flow between Bulgaria and Greece V Spasov, A Toteva, M Ivanov, KV Naydenov, T Orehova, A Benderev Geologica Balcanica 46 (2), 97-102, 2017 | 4 | 2017 |
| Groundwater contribution to the river runoff in the Vitosha Nature Park (Bulgaria) A Benderev, T Orehova, S Kolev, V Hristov, I Ilieva Review of the Bulgarian Geological Society 76, 109-121, 2015 | 4 | 2015 |
| Groundwater drought in Northeast Bulgaria and the SPI index T Orehova, V Pavlova Proc. XXVI Conference of the Danubian countries on hydrological forecasting …, 2014 | 4 | 2014 |
| Groundwater and human pressure in the Ogosta River basin T Vasileva, P Gerginov, T Orehova BALWOIS 2008 Conference on Water Observation and Information System for …, 2008 | 4 | 2008 |
| Analysis of water regime and balance of springs from the Lovech–Tarnovo basin, Bulgaria T Orehova, P Gerginov International Multidisciplinary Scientific GeoConference: SGEM 21 (3.1), 27-34, 2021 | 3 | 2021 |
| Monthly and seasonal long-time variability in Rositsa River catchment area.“ N Hristova, O Nicheva, T Orehova Climate, atmosphere and water resources in the face of climate change 3, 30-38, 2021 | 3 | 2021 |
| Groundwater contribution to the river flow for the upper course of the Osam River based on two baseflow separation methods T Vasileva, T Orehova, K Kroumova Gelologica Balcanica 46 (2), 73-82, 2017 | 3 | 2017 |
