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Publication List
2025
J. L. Hoffmann et al., “Bridging Land and Sea: Geophysical insights into coastal karstic groundwater dynamics, freshwater plumes and saltwater intrusions in the urban regions of Antalya (Türkiye),” Journal of Hydrology: Regional Studies, vol. 57, p. 102145, Feb. 2025, doi: 10.1016/j.ejrh.2024.102145.
2024
Zamrsky, J. J. H. van Lith, and R. van Beek, “Conceptual 3D groundwater models of offshore freshened groundwater extraction and its economic viability assessment,” Copernicus Meetings, EGU24-10761, Mar. 2024. doi: 10.5194/egusphere-egu24-10761.
Vatralova, Albena and Dimitrov, Petar, “Assessment of the applicability of treated wastewater in irrigated agriculture,” in Sixth International Conference, CAWRI-BAS “Global Warming’s Imprints on the Elements of the Climatic System ”, Hisarya, 24–28 September 2024, Hisarya, Oct. 2024, pp. 145–155.
Vatralova, Albena, “Use of Non-Conventional Water Resources for Adaptation to Global Warming and Mitigation of Environmental Pollution,” in Sixth International Conference, CAWRI-BAS “Global Warming’s Imprints on the Elements of the Climatic System ”, Hisarya, 24–28 September 2024, Hisarya, Oct. 2024, pp. 134–144.
Paldor, H. A. Michael, B. Penny, and C. Bertoni, “Offshore Freshened Groundwater Reservoirs Controlled by Submarine Faults with a Complex Dependency on Antecedent Hydrogeological Conditions,” Jan. 09, 2024, Social Science Research Network, Rochester, NY: 4688919. doi: 10.2139/ssrn.4688919.
Paepen, M. Minnaert, J. Greskowiak, and T. Hermans, “Influence of Hydrogeological and Numerical Parameters on the Simulation of an Upper Saline Plume and Fresh Submarine Groundwater Discharge,” Nov. 29, 2024, Social Science Research Network, Rochester, NY: 5039149. doi: 10.2139/ssrn.5039149.
Lipparini, D. Chiacchieri, A. D’Ambrosio, R. Bencini, and A. Micallef, “Deep Groundwater and Hydrocarbons, Two Elements of a Unique Fluid-System: Insights from Southern and Central Italy,” presented at the 85th EAGE Annual Conference & Exhibition, European Association of Geoscientists & Engineers, Jun. 2024, pp. 1–5. doi: 10.3997/2214-4609.202410240.
Kilifarska, T. Orehova, V. Alexandrov, and B. Koulov, Global Warming’s Imprints On The Elements Of The Climatic System. 2024.
Q. Jordan et al., “Application of Oil and Gas Exploration Methods in Hydrogeology to Discover Deep Aquifers,” presented at the 85th EAGE Annual Conference & Exhibition, European Association of Geoscientists & Engineers, Jun. 2024, pp. 1–5. doi: 10.3997/2214-4609.202410250.
Hoffmann et al., “Assessing freshwater plumes, offshore freshened groundwater and the risk of salt intrusions in urbanised karstic groundwater systems using combined resistivity methods,” p. 19992, Apr. 2024, doi: 10.5194/egusphere-egu24-19992.
Haffert, M. Jegen, C. Siebert, T. Rödiger, and C. Berndt, “AI-Quifer – Using Artificial Intelligence to Determine Offshore Groundwater Occurrences That are Key to Coastal Water Management,” in OCEANS 2024 – Halifax, Sep. 2024, pp. 1–5. doi: 10.1109/OCEANS55160.2024.10754080.
Faghih et al., “Exploring for Offshore Freshened Groundwater: Integrated Geophysical Field Studies,” in OCEANS 2024 – Halifax, Sep. 2024, pp. 1–8. doi: 10.1109/OCEANS55160.2024.10754589.
Faghih et al., “Characterizing Offshore Freshened Groundwater Salinity Patterns Using Trans-Dimensional Bayesian Inversion of Controlled Source Electromagnetic Data: A Case Study From the Canterbury Bight, New Zealand,” Water Resources Research, vol. 60, no. 3, p. e2023WR035714, 2024, doi: 10.1029/2023WR035714.
De Biase, F. Chidichimo, A. T. Thomas, and A. Micallef, “Limited role of present-day onshore freshwater recharge in the emplacement of offshore freshened groundwater in the Canterbury Bight, New Zealand,” New Zealand Journal of Geology and Geophysics, pp. 1–15, Aug. 2024, doi: 10.1080/00288306.2024.2387642.
Campo and M. Antonellini, “Offshore freshened groundwater reserves identification as revealed by geophysical and stratigraphic data: insights from the Northern Adriatic shelf (Italy),” Copernicus Meetings, EGU24-5599, Mar. 2024. doi: 10.5194/egusphere-egu24-5599.
2023
T. Thomas, A. Micallef, S. Duan, and Z. Zou, “Characteristics and controls of an offshore freshened groundwater system in the Shengsi region, East China Sea,” Frontiers in Earth Science, vol. 11, 2023, Accessed: Oct. 20, 2023. [Online]. Available: https://www.frontiersin.org/articles/10.3389/feart.2023.1198215
Sheng, J. J. Jiao, X. Luo, J. Zuo, L. Jia, and J. Cao, “Offshore freshened groundwater in the Pearl River estuary and shelf as a significant water resource,” Nat Commun, vol. 14, no. 1, Art. no. 1, Jun. 2023, doi: 10.1038/s41467-023-39507-0.
Sheng, J. J. Jiao, X. Luo, J. Zuo, L. Jia, and J. Cao, “Occurrence of offshore freshened groundwater in the Pearl River Estuary and adjacent continental shelf,” p. EGU-2160, May 2023, doi: 10.5194/egusphere-egu23-2160.
Saadatkhah, A. Kassim, Q. A. Siat, and A. Micallef, “Salt leaching by freshwater and its impact on seafloor stability: An experimental investigation,” Marine Geology, vol. 455, p. 106959, Jan. 2023, doi: 10.1016/j.margeo.2022.106959.
Quiroga, C. Bertoni, and F. Ruden, “Deep low-salinity groundwater in sedimentary basins: petrophysical methods from a case study in Somalia,” Hydrogeol J, vol. 31, no. 3, pp. 685–705, May 2023, doi: 10.1007/s10040-022-02589-z.
O. L. Omosanya, A. Micallef, and D. Harishidayat, “Basin and depositional control on the initiation and development of fluid-escape pipes in the Canterbury Basin, New Zealand,” Marine Geology, vol. 462, p. 107096, Aug. 2023, doi: 10.1016/j.margeo.2023.107096.
Nitcheva, D. Shopova, A. Vatralova, V. Koutev, and P. Dobreva, “Study Of The Hydrological, Terrain And Anthropogenic Factors For The Devastating Flood At The Southern Black Sea Coast Of Bulgaria On 4-6 September 2023 – ProQuest.” Accessed: Jan. 16, 2025. [Online]. Available: https://www.proquest.com/openview/b53a89b910ed39d686d7abc6087ce72e/1?pq-origsite=gscholar&cbl=1536338
Micallef, M. Person, S. Gupta, N. Saadatkhah, A. Camille, and Ò. Gratacós, “Can Offshore Meteoric Groundwater Generate Mechanical Instabilities in Passive Continental Margins?,” Journal of Geophysical Research: Earth Surface, vol. 128, no. 3, p. e2022JF006954, 2023, doi: 10.1029/2022JF006954.
J. L. Hoffmann et al., “Fresh submarine groundwater discharge offshore Wellington (New Zealand): hydroacoustic characteristics and its influence on seafloor geomorphology,” Frontiers in Marine Science, vol. 10, 2023, Accessed: Oct. 20, 2023. [Online]. Available: https://www.frontiersin.org/articles/10.3389/fmars.2023.1204182
I. T. Hillman et al., “The diverse morphology of pockmarks around Aotearoa New Zealand,” Frontiers in Marine Science, vol. 10, 2023, Accessed: Oct. 20, 2023. [Online]. Available: https://www.frontiersin.org/articles/10.3389/fmars.2023.1235928
Gupta and A. Micallef, “Modelling the Influence of Erosive Fluidization on the Morphology of Fluid Flow and Escape Structures,” Math Geosci, Jul. 2023, doi: 10.1007/s11004-023-10071-z.
De Biase, F. Chidichimo, A. Micallef, D. Cohen, C. Gable, and T. Zwinger, “Past and future evolution of the onshore-offshore groundwater system of a carbonate archipelago: The case of the Maltese Islands, central Mediterranean Sea,” Frontiers in Water, vol. 4, 2023, Accessed: Oct. 20, 2023. [Online]. Available: https://www.frontiersin.org/articles/10.3389/frwa.2022.1068971
L. Arévalo-Martínez et al., “Ideas and perspectives: Land–ocean connectivity through groundwater,” Biogeosciences, vol. 20, no. 3, pp. 647–662, Feb. 2023, doi: 10.5194/bg-20-647-2023.
WHO, UNICEF, and World Bank, “State of the world’s drinking water: An urgent call to action to accelerate progress on ensuring safe drinking water for all.” Accessed: Mar. 21, 2023. [Online]. Available: https://www.who.int/publications-detail-redirect/9789240060807
A. Weymer et al., “The coastal transition zone is an underexplored frontier in hydrology and geoscience,” Commun Earth Environ, vol. 3, no. 1, Art. no. 1, Dec. 2022, doi: 10.1038/s43247-022-00655-8.
2022
UNESCO, Transboundary Aquifers: Challenges and the way forward. UNESCO Publishing, 2022.
Toreti et al., “GDO Analytical Report: Drought in Europe – July 2022 – World | ReliefWeb.” Accessed: Mar. 21, 2023. [Online]. Available: https://reliefweb.int/report/world/gdo-analytical-report-drought-europe-july-2022
Sheng, J. J. Jiao, Y. Liu, and X. Luo, “Impact of major nearshore land reclamation project on offshore groundwater system,” Engineering Geology, vol. 303, p. 106672, Jun. 2022, doi: 10.1016/j.enggeo.2022.106672.
Quiroga, C. Bertoni, M. Van Goethem, L. A. Blazevic, and F. Ruden, “A 3D geological model of the horn of Africa: New insights for hydrogeological simulations of deep groundwater systems,” Journal of Hydrology: Regional Studies, vol. 42, p. 101166, 2022.
A. Person and A. Micallef, “Offshore Freshened Groundwater in Continental Shelf Environments,” in Unconventional Water Resources, M. Qadir, V. Smakhtin, S. Koo-Oshima, and E. Guenther, Eds., Cham: Springer International Publishing, 2022, pp. 97–109. doi: 10.1007/978-3-030-90146-2_5.
K. Morgan and J. J. Mountjoy, “Likelihood of offshore freshened groundwater in New Zealand,” Hydrogeol J, vol. 30, no. 7, pp. 2013–2026, Nov. 2022, doi: 10.1007/s10040-022-02525-1.
J.-H. Kim et al., “Assessing the impact of freshwater discharge on the fluid chemistry in the Svalbard fjords,” Science of The Total Environment, vol. 835, p. 155516, Aug. 2022, doi: 10.1016/j.scitotenv.2022.155516.
2021
Zamrsky, G. H. O. Essink, E. H. Sutanudjaja, L. R. van Beek, and M. F. Bierkens, “Offshore fresh groundwater in coastal unconsolidated sediment systems as a potential fresh water source in the 21st century,” Environmental Research Letters, vol. 17, no. 1, p. 014021, 2021.
Micallef et al., “Offshore freshened groundwater in continental margins,” Reviews of Geophysics, vol. 59, no. 1, p. e2020RG000706, 2021.
C. Knight, D. J. Irvine, and A. D. Werner, “Alongshore freshwater circulation in offshore aquifers,” Journal of Hydrology, vol. 593, p. 125915, Feb. 2021, doi: 10.1016/j.jhydrol.2020.125915.
Haroon et al., “Electrical Resistivity Anomalies Offshore a Carbonate Coastline: Evidence for Freshened Groundwater?,” Geophysical Research Letters, vol. 48, no. 14, p. e2020GL091909, 2021, doi: 10.1029/2020GL091909.
2020
“UN-Water Analytical Brief on Unconventional Water Resources,” UN-Water. Accessed: Mar. 21, 2023. [Online]. Available: https://www.unwater.org/publications/un-water-analytical-brief-unconventional-water-resources-0
A. Weymer, P. A. Wernette, M. E. Everett, P. Pondthai, M. Jegen, and A. Micallef, “Multi-Layered High Permeability Conduits Connecting Onshore and Offshore Coastal Aquifers,” Front. Mar. Sci., vol. 7, Oct. 2020, doi: 10.3389/fmars.2020.531293.
Micallef et al., “3D characterisation and quantification of an offshore freshened groundwater system in the Canterbury Bight,” Nat Commun, vol. 11, no. 1, p. 1372, Mar. 2020, doi: 10.1038/s41467-020-14770-7.
Martin-Nagle, “Offshore freshwater aquifers: Toward equitable distribution,” WIREs Water, vol. 7, no. 5, p. e1463, Sep. 2020, doi: 10.1002/wat2.1463.
Hagedorn, M. W. Becker, and N. J. Silbiger, “Evidence of freshened groundwater below a tropical fringing reef,” Hydrogeol J, vol. 28, no. 7, pp. 2501–2517, Nov. 2020, doi: 10.1007/s10040-020-02191-1.
Bertoni, J. Lofi, A. Micallef, and H. Moe, “Seismic reflection methods in offshore groundwater research,” Geosciences, vol. 10, no. 8, p. 299, 2020.
2019
Yu and H. A. Michael, “Offshore Pumping Impacts Onshore Groundwater Resources and Land Subsidence,” Geophysical Research Letters, vol. 46, no. 5, pp. 2553–2562, 2019, doi: 10.1029/2019GL081910.
Yu and H. A. Michael, “Mechanisms, configuration typology, and vulnerability of pumping-induced seawater intrusion in heterogeneous aquifers,” Advances in Water Resources, vol. 128, pp. 117–128, 2019.
T. Thomas, S. Reiche, M. Riedel, and C. Clauser, “The fate of submarine fresh groundwater reservoirs at the New Jersey shelf, USA,” Hydrogeology Journal, vol. 27, no. 7, pp. 2673–2694, Nov. 2019, doi: 10.1007/s10040-019-01997-y.
C. Knight, A. D. Werner, and D. J. Irvine, “Combined geophysical and analytical methods to estimate offshore freshwater extent,” Journal of Hydrology, vol. 576, pp. 529–540, Sep. 2019, doi: 10.1016/j.jhydrol.2019.06.059.
W. Hofste et al., “Aqueduct 3.0: Updated Decision-Relevant Global Water Risk Indicators,” Jun. 2019, Accessed: Mar. 21, 2023. [Online]. Available: https://www.wri.org/research/aqueduct-30-updated-decision-relevant-global-water-risk-indicators
2018
C. Solórzano-Rivas and A. D. Werner, “On the representation of subsea aquitards in models of offshore fresh groundwater,” Advances in Water Resources, vol. 112, pp. 283–294, Feb. 2018, doi: 10.1016/j.advwatres.2017.11.025.
K. Morgan, A. D. Werner, and A. E. Patterson, “A conceptual study of offshore fresh groundwater behaviour in the Perth Basin (Australia): Modern salinity trends in a prehistoric context,” Journal of Hydrology: Regional Studies, vol. 19, pp. 318–334, Oct. 2018, doi: 10.1016/j.ejrh.2018.10.002.
Mazzoni, E. Heggy, and G. Scabbia, “Forecasting water budget deficits and groundwater depletion in the main fossil aquifer systems in North Africa and the Arabian Peninsula,” Global Environmental Change, vol. 53, pp. 157–173, 2018.
C. Knight, A. D. Werner, and L. K. Morgan, “The onshore influence of offshore fresh groundwater,” Journal of Hydrology, vol. 561, pp. 724–736, Jun. 2018, doi: 10.1016/j.jhydrol.2018.03.028.
2017
Person, J. L. Wilson, N. Morrow, and V. E. Post, “Continental-shelf freshwater water resources and improved oil recovery by low-salinity waterflooding,” AAPG Bulletin, vol. 101, no. 1, pp. 1–18, 2017.
Moe, F. Ruden, and M. Gamache, “Exploration and hydrogeological assessment of a deep coastal aquifer system in Tanzania.,” presented at the Congress of the International Association of Hydrogeologists, Dubrovnik, Croatia, Sep. 2017.
Jeuken, M. Termansen, M. Antonellini, T. Olsthoorn, and E. van Beek, “Climate proof fresh water supply in coastal areas and deltas in Europe,” Water resources management, vol. 31, pp. 583–586, 2017.
Houben, E. Vincent, and A. Post, “The first field-based descriptions of pumping-induced saltwater intrusion and upconing,” Hydrogeology Journal, vol. 25, no. 1, p. 243, 2017.
2016
Tvedt and T. Oestigaard, Eds., “A History of Water: Volume 3: Water and Food From Hunter-Gatherers to Global Production in Africa,” I.B.Tauris, 2016. doi: 10.5040/9781350985087.
A. Michael, K. C. Scott, M. Koneshloo, X. Yu, M. R. Khan, and K. Li, “Geologic influence on groundwater salinity drives large seawater circulation through the continental shelf,” Geophysical Research Letters, vol. 43, no. 20, pp. 10–782, 2016.
W. Amato, J. M. Bishop, C. R. Glenn, H. Dulai, and C. M. Smith, “Impact of submarine groundwater discharge on marine water quality and reef biota of Maui,” PloS one, vol. 11, no. 11, p. e0165825, 2016.
2013
E. Post, J. Groen, H. Kooi, M. Person, S. Ge, and W. M. Edmunds, “Offshore fresh groundwater reserves as a global phenomenon,” Nature, vol. 504, no. 7478, pp. 71–78, 2013.
Margat and J. Van der Gun, Groundwater around the world: a geographic synopsis. Crc Press, 2013.
Ghaffour, T. M. Missimer, and G. L. Amy, “Technical review and evaluation of the economics of water desalination: Current and future challenges for better water supply sustainability,” Desalination, vol. 309, pp. 197–207, 2013.
2012
Varma and K. Michael, “Impact of multi-purpose aquifer utilisation on a variable-density groundwater flow system in the Gippsland Basin, Australia,” Hydrogeology journal, vol. 20, no. 1, p. 119, 2012.
M. Muthusi, H. M. Gadain, and Somalia Water and Land Information Management, Nairobi (Kenya) – SWALIM, “FAO SWALIM: Somalia Water and Land Information Management W-20 Hydrogeological Survey and Assessment of Selected Areas in Somaliland and Puntland – Report No W-20 | FAO SWALIM: Somalia Water and Land Information Management.” Accessed: Mar. 21, 2023. [Online]. Available: https://www.faoswalim.org/content/w-20-hydrogeological-survey-and-assessment-selected-areas-somaliland-and-puntland-report-no
H. Bakken, F. Ruden, and L. E. Mangset, “Submarine groundwater: a new concept for the supply of drinking water,” Water Resources Management, vol. 26, pp. 1015–1026, 2012.
Aeschbach-Hertig and T. Gleeson, “Regional strategies for the accelerating global problem of groundwater depletion,” Nature Geoscience, vol. 5, no. 12, pp. 853–861, 2012.
2010
Cohen et al., “Origin and Extent of Fresh Paleowaters on the Atlantic Continental Shelf, USA – Cohen – 2010 – Groundwater – Wiley Online Library.” Accessed: Mar. 21, 2023. [Online]. Available: https://ngwa.onlinelibrary.wiley.com/doi/full/10.1111/j.1745-6584.2009.00627.x?casa_token=iRlxiRvbZVYAAAAA%3ADHnSqWM-ulpn0WoXqMRy5hdf76W_eFhbpRlM_osFbjJIBHvGSYD6-ZcUHoSCiPZ4IcIwANfsc-3g20M
2009
Ruden, “Freshwater entrapment in offshore Zanzibar basins.,” presented at the Int. Symp. on Effic. Groundwatrr Res.Man.IGS-TH, Cambridge, UK, 2009.
2007
Sultan et al., “Natural discharge: A key to sustainable utilization of fossil groundwater,” Journal of Hydrology, vol. 335, no. 1–2, pp. 25–36, 2007.
Ruden, “The discovery of a regional Neogene aquifer in coastal Tanzania,” Coastal Aquifers: Challenges and Solutions, vol. 1, pp. 363–372, Jan. 2007.
Person, J. McIntosh, V. Bense, and V. H. Remenda, “Pleistocene hydrology of North America: The role of ice sheets in reorganizing groundwater flow systems,” Reviews of Geophysics, vol. 45, no. 3, 2007, [Online]. Available: https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2006RG000206
Lager, K. J. Webb, and C. J. J. Black, “Impact of brine chemistry on oil recovery,” in IOR 2007-14th European symposium on improved oil recovery, EAGE Publications BV, 2007, p. cp-24.
Bakalowicz et al., International symposium on technology of seawater intrusion into coastal aquifers. 2007.
2005
E. A. Post, “Fresh and saline groundwater interaction in coastal aquifers: is our technology ready for the problems ahead?,” Hydrogeology Journal, vol. 13, pp. 120–123, 2005.
2002
F. Adkins, K. McIntyre, and D. P. Schrag, “The salinity, temperature, and δ18O of the glacial deep ocean,” Science, vol. 298, no. 5599, pp. 1769–1773, 2002.
2001
M. Edmunds, “Palaeowaters in European coastal aquifers — the goals and main conclusions of the PALAEAUX project,” Geological Society, London, Special Publications, vol. 189, no. 1, pp. 1–16, Jan. 2001, doi: 10.1144/GSL.SP.2001.189.01.02.
1991
Kastner, H. Elderfield, and J. B. Martin, “Fluids in convergent margins: What do we know about their composition, origin, role in diagenesis and importance for oceanic chemical fluxes?,” Philosophical Transactions of the Royal Society of London. Series A: Physical and Engineering Sciences, vol. 335, no. 1638, pp. 243–259, 1991.
1984
Meisler, P. P. Leahy, and L. L. Knobel, Effect of eustatic sea-level changes on saltwater-freshwater relations in the northern Atlantic Coastal Plain, vol. 2255. US Government Printing Office, 1984. [Online]. Available: https://pubs.er.usgs.gov/publication/wsp2255
1981
Hesse and W. E. Harrison, “Gas hydrates (clathrates) causing pore-water freshening and oxygen isotope fractionation in deep-water sedimentary sections of terrigenous continental margins,” Earth and Planetary Science Letters, vol. 55, no. 3, pp. 453–462, 1981.