1. Polyak, V.J., Onac, B.P., Fornos, J.J., Hay, C., Asmerom, Y., Dorale, J.A., Gines, J., Tuccimei, P., Gines, A. 2018: A highly resolved record of relative sea level in the western Mediterranean Sea during the last interglacial period. Nature Geoscience,

  2. Dumitru, O.A., Onac, B.P., Polyak, V.J., Wynn, J.G., Asmerom, Y., Fornos, J.J. 2018: Climate variability in the western Mediterranean between 121 to 67 ka derived from a Mallorcan speleothem record. Palaeogeography, Palaeoclimatology, Palaeoecology, 506: 128-138.

  3. Ersek, V., Onac, B.P., Persoiu, A. 2018: Kinetic processes and stable isotopes in cave dripwaters as indicators of winter severity. Hydrological Processes, 32: 2856-2862.

  4. Cleary, D.M., Onac, B.P., Tantau, I., Wynn, J.G., Forray, F.L., Ionita, M., Tamas, T. 2018: A guano-derived d13C and d15N record of climate since the Medieval Warm Period in NW. Journal of Quaternary Science, 33 (6): 677-688.

  5. Staubwasser, M., Dragusin, V., Onac, B.P., Assanov, S., Ersek, V., Hoffmann, D.L., Veres, D. 2018: Climate change impact on the transition of Neanderthals to modern humans in Europe. PNAS,

  6. Brown, A., Martin, J., Kamenov, G., Ezell, J., Screaton, E., Gulley, J., Spellman, P. 2018: Trace metal cycling in karst aquifers subject to periodic river water intrusion. Chemical Geology, In press.

  7. Spellman, P., Gulley, J., Martin, J., Loucks, J. 2018: Hydrological controls on transient aquifer storage in a karst watershed. Earth Surface Processes and Landforms, In press.

  8. Zak, K., Onac, B.P., Kadebskaya, O.I., Filippi, M., Dublyansky, Y., Luetscher, M. 2018: Cryogenic mineral formation in caves. In: Ice caves (Persoiu, A. & Lauritzen, S.E., Eds.). Elsevier, Amsterdam, pp. 123-162;

  9. Scharping, R.J., Garman, K.M., Henry, R.P., Eswara, P.J., Garey, J.R. 2018: The fate of urban springs: pumping-induced seawater intrusion in a phreatic cave. Journal of Hydrology, 564: 230-245.

  10. Davis, M.C., Garey, J.R. 2018: Microbial Function and Hydrochemistry within a Stratified Anchialine Sinkhole: A Window into Coastal Aquifer Interactions. Water 10 (8): 972.  

  11. Menning, D.M., Carraher-Stross, W.A., Graham, E.D., Thomas, D.N., Phillips, A.R., Scharping, R.J., Garey, J.R. 2018: Aquifer discharge drives microbial community change in karst estuaries. Estuaries and Coasts, 41 (2):430-443.

  12. Scharping, R. 2018: The Fate of Urban Springs: Pumping-Induced Seawater Intrusion in an Underwater Cave” (3 August 2018). Science Trends,

  13. Dumitru, O.A., Forray, F.L., Fornos, J.J., Ersek, V., Onac, B.P. 2017: An assessment of stable isotopes variability in precipitation, cave drip, and groundwater from Mallorca Island, Western Mediterranean. Hydrological Processes, 31: 104-116.

  14. Cleary, D.M., Wynn, J.G., Ionita, M., Forray, F.L., Onac, B.P. 2017: Evidence of long-term NAO influence on East-Central Europe winter precipitation from a guano-derived d15N record. Scientific Reports, 7: 14095.

  15. Mankoff, K., Gulley, J., Tylaczyk, S., Covington, M., Liu, X., Chen, Y., Benn, D., Glowacki, P. 2017: Roughness of a subglacial conduit under Hansbreen, Svalbard. Journal of Glaciology, 63 (239): 423-435.

  16. Benn, D., Thompson, S., Gulley, J., Mertes, J., Luckman, A., Nicholson, L. 2017: Structure and evolution of the drainage system of a Himalayan debris-covered glacier, and its relationship with patterns of mass loss. The Cryosphere, 11: 2247-2264

  17. Boop, L.M., Wynn, J.G., Thompson, G., Fornos, J.J., Onac, B.P. 2017: Interactions between surface conditions, the Mediterranean Sea, and cave climate within two littoral caves in Mallorca: controls on the formations of the phreatic overgrowths on speleothems. Journal of Cave and Karst Studies, 79 (1): 59-72.

  18. Persoiu, A., Onac, B.P., Wynn, J.G., Blaauw, M., Ionita, M., Hansson, M. 2017: Holocene winter cli ate variability in Central and Eastern Europe. Scientific Reports, 7: 1196 DOI:10.1038/s41598-017-01397-w

  19. Cleary, D.M., Onac, B.P., Forray, F.L., Wynn, J.G. 2016: Controls on d15N values of cave bat guano: an assessment for reconstructing paleoclimate and environmental changes. Palaeogeography, Palaeoclimatology, Palaeoecology, 461: 87-97,

  20. Dumitru, O.A., Onac, B.P., Cosma, C. 2016: Radon levels in caves from San Salvador, The Bahamas: A reconnaissance survey. Carbonates & Evaporites, 31: 153-161.

  21. Cucos (Dinu), A., Calugar, M.I., Burghele, B.D., Dumitru, O.A., Cosma, C., Onac, B.P. 2016: Radon levels in Romanian caves: An occupational survey survey. Environmental Geochemistry and Health, 39 (5): 1085-1099.

  22. Forti, P., Onac, B.P. 2016: Caves and mineral deposits. Zeitschrift fur Geomorphologie (Suppl. X), 60: 55-101; doi: 10.1127/zfg_suppl/2016/S-60X04

  23. Dumitru, O.-A., Onac, B.P., Fornos, J.J., Cosma, C. 2015: Radon concentration and effective dose assessment in Coves de Campanet (Mallorca Island, Spain). Journal of Radioanalytical and Nuclear Chemistry, 303: 885-890.

  24. Onac, B.P., Hutchison, S.M., Geanta, A., Forray, F.L., Wynn, J.G., Giurgiu, A.C., Coroiu, I. 2015: A 2500-year Late Holocene multi-proxy record of vegetation and hydrologic changes from a cave guano-clay sequence in SW Romania. Quaternary Research, 83: 437-448;

  25. Forray, F.L., Onac, B.P., Tantau, B., Wynn, J.G., Tamas, T., Coroiu, I., Giurgiu, A. 2015: A Late Holocene environmental history of a bat guano deposit from Romania: an isotopic and pollen study. Quaternary Science Reviews, 127: 141-154;

  26. Boop, L.M., Onac, B.P., Wynn, J.G., Fornos, J.J., Rodriguez-Homar, M., Merino, A. 2014: Groundwater geochemistry observations in littoral caves of Mallorca (western Mediterranean): implications for deposition of phreatic overgrowths on speleothems. International Journal of Speleology 43 (2): 193-203.

  27. Florea, L.J., Vacher, H.L., Donahue, B., Naar, D., 2007: Quaternary cave levels in peninsular Florida, Quaternary Science Reviews 26: 1344-1361.

  28. Florea, L.J., Vacher, H.L. 2007: Eogenetic karst hydrology: Insights from the 2004 hurricanes, peninsular Florida: Ground Water 45(4): 439-446.

  29. Onac, B.P., Effenberger, H.S., Wynn, J.G., Povara, I. 2013: Rapidcreekite in the sulfuric acid weathering environment of Diana Cave, Romania. American Mineralogist 98: 1302-1309;

  30. Onac, B.P., Forray, F.L., Wynn, J.G., Giurgiu, A.M. 2013: Guano-derived d13C-based paleo-hydroclimate record from Gaura cu Musca Cave, SW Romania. Environmental Earth Sciences 71 (9): 4061-4071; doi: 10.1007/s12665-013-2789-x

  31. Polk. J.S., van Beynen, P.E., Polyak, V., Asmerom, Y. 2013: Reconstructing Past Climates using Carbon Isotopes from Fulvic Acids in Cave Sediments. Chemical Geology 360-361: 1-9.

  32. Sampson, J., Guilbeault, K. 2013: Baseline physicochemical investigations on waters from three blue holes, San Salvador Island, Bahamas, Studia UBB Geologia 58 (1): 11-19;

  33. van Beynen, P.E., Bialkowska-Jelinska, E. 2012: Human disturbance of the Waitomo Catchment, New Zealand. Journal of Environmental Management 108: 130-40.

  34. van Beynen, P.E., Brinkmann, R., van Beynen, K.M. 2012: Creation of a sustainability index for karst environments. Journal of Cave and Karst Studies 74 (2): 21-234.

  35. Wynn, J.G., Sumrall, J.B., Onac, B.P. 2010: Sulfur isotopic composition and the source of dissolved sulfur species in thermo-mineral springs of the Cerna Valley, Romania, Chemical Geology 271: 31-43.