
Postdoctoral researcher in Habitat Mapping
Research Division 2: Marine Biogeochemistry
Research Unit: Marine Geosystems
Research Group:
Office
Room: 8A-104
Phone: +49 431 600-2562
Email: igazis(at)geomar.de
Address
Wischhofstrasse 1-3
D-24148 Kiel
Research Interests
- Hydroacoustic seafloor mapping
- Underwater imagery
- Machine learning
- Deep-sea mining
- Habitat mapping
- Resources estimation
Peer-Reviewed Publications
- Gazis, IZ., de Stigter, H., Mohrmann, J. et al. Monitoring benthic plumes, sediment redeposition and seafloor imprints caused by deep-sea polymetallic nodule mining. Nat Commun 16, 1229 (2025).
- Gazis, IZ., Charlet, F. & Greinert, J. An Interpretable Multi-Model Machine Learning Approach for Spatial Mapping of Deep-Sea Polymetallic Nodule Occurrences. Nat Resour Res (2024).
- Van Audenhaege L., Mahamadaly V., Price D., Sneessens A., Cawthra HC., Delamare C., Danet V., Delsol S., Devillers R., Gazis I.-Z., Urbina-Barreto I. (2023) Workshop on 3D mapping of habitats and biological communities with underwater photogrammetry. Research Ideas and Outcomes 9: e115796.
- Mbani, B., Schoening, T., Gazis I-Z, Koch R, Greinert J. 2022. Implementation of an automated workflow for image-based seafloor classification with examples from manganese-nodule covered seabed areas in the Central Pacific Ocean. Sci Rep 12, 15338.
- Purkiani, K., Haeckel, M., Haalboom, S., Schmidt, K., Urban, P., Gazis, I-Z., de Stigter, H., Paul, A., Walter, M., and Vink, A. 2022. Impact of a long-lived anticyclonic mesoscale eddy on seawater anomalies in the northeastern tropical Pacific Ocean: a composite analysis from hydrographic measurements, sea level altimetry data, and reanalysis model products, Ocean Sci., 18, 1163鈥1181,
- Haalboom S, Schoening T, Urban P, Gazis I-Z, de Stigter H, Gillard B, Baeye M, Hollstein M, Purkiani K, Reichart G-J, Thomsen L, Haeckel M, Vink A and Greinert J (2022) Monitoring of Anthropogenic Sediment Plumes in the Clarion-Clipperton Zone, NE Equatorial Paci铿乧 Ocean. Frontiers in Marine Science 9:882155.
- Gazis, I.-Z. and Greinert, J. (2021). Importance of Spatial Autocorrelation in Machine Learning Modeling of Polymetallic Nodules, Model Uncertainty and Transferability at Local Scale. Minerals, 11 (11), 1172, 33 Pages. DOI:
- Hasiotis, T., Gazis, I.-Z., Anastasatou, M., Manoutsoglou, E., Velegrakis, A.F., Kapsimalis, V., Karditsa, A., and Stamatakis, M. (2020). Searching for potential marine sand resources to mitigate beach erosion in island settings. Marine Georesources & Geotechnology, 38, 1-16. DOI:
- Gazis, I.-Z., Schoening, T., Evangelos, A., and Greinert, J. (2018). Quantitative mapping and predictive modeling of Mn nodules鈥 distribution from hydroacoustic and optical AUV data linked by random forests machine learning. Biogeosciences, 15, 7347-7377. DOI:
Book Chapters
- K枚ser K, She M., Diller N., Reissmann S., Wei脽 T., Heger K., Song Y., Sch枚ntag P., Nakath D., Schoening T., Mohrmann J., Gazis I.-Z., Kampmeier M., Rothenbeck M., Wenzlaff E., and Greinert J. Autonomous Visual 3D Mapping of the Ocean Floor by Underwater Robots Equipped with a Single Photo Camera (2024). In: Rodr铆guez-Qui帽onez, J.C., Flores-Fuentes, W., Castro-Toscano, M.J., Sergiyenko, O. (eds) Scanning Technologies for Autonomous Systems. Springer, Cham.
Data Publications
- Gazis I.-Z., de Stigter H., Mohrmann J., Heger K., Haeckel M., Greinert J. (2025). Raw water-column current velocity and acoustic reflectivity data. The data were acquired with 13 ADCP sensors mounted on seafloor platforms 1 m above the seafloor (except NIOZ_PFM-01) and at successive distances (50 m to 1800 m) from the collector impact site in the Belgian (GSR) contract area in the Clarion Clipperton Zone (CCZ). The sensors used are Teledyne RDI Workhorse Sentinel ADCP at 300kHz, Teledyne RDI Workhorse Sentinel ADCP at 1.2 MHz and Nortek ADCP at 2 MHz.
- Gazis I.-Z., de Stigter H., Mohrmann J., Heger K., Haeckel M., Greinert J. (2025). Raw optical backscatter water-column turbidity data at a range of altitudes (5 m 鈥 50 m) above the seafloor and successive distances (500 m to 5000 m) from the collector impact site in the Belgian (GSR) contract area in the Clarion Clipperton Zone (CCZ). The sensor was a stand-alone JFE Advantech Infinity Series ATUD-USB (JFE) mounted on an Autonomous Underwater Vehicle.
- Gazis I.-Z., de Stigter H., Mohrmann J., Heger K., Matthias B., Haeckel M., Thomsen L., Greinert J. (2025): Raw optical backscatter water-column turbidity data at 1 m above the seafloor and successive distances (50 m to 1800 m) from the mining collector impact site in the Belgian (GSR) contract area in Clarion Clipperton Zone (CCZ). The data are from 16 optical backscatter sensors mounted on different benthic seafloor platforms. The sensors used are: stand-alone JFE Advantech Infinity Series ATUD-USB (JFE), stand-alone AQUAlogger庐 310TY (Aqualogger), WetLabs ECO FLNTU (FLNTU) coupled on SBE16 and SBE19+ CTDs and Seapoint STM-S (Seapoint) coupled on SBE19+ CTDs.
- Gazis, I-Z; Diaz, M; Mohrmann, J; Heger, K; de Stigter, H; Haeckel, M; Greinert, J (2025): Processed water-column current velocity and acoustic reflectivity data from a mining trial at the Belgian (GSR) contract area in the Clarion Clipperton Zone during the MANGAN 2021 expedition [dataset]. PANGAEA,
- Stauffer, J.B; Volpato, M; Hoving, H-J.T; Greinert, J; Gazis, I-Z; Mohrmann, J; Keller, M; Schumacher, M; Mertens, V (2024): Multibeam bathymetry raw data (Kongsberg EM 122 entire dataset) of RV METEOR during cruise M202 [dataset]. PANGAEA,
- Stauffer, J.B; Volpato, M; Hoving, H-J.T; Greinert, J; Gazis, I-Z; Mohrmann, J; Keller, M; Schumacher, M; Mertens, V (2024): Multibeam bathymetry raw data (Kongsberg EM710 entire dataset) of RV METEOR during cruise M202 [dataset]. PANGAEA,
- Stauffer, J.B; Hoving, H-J.T; Gazis, I-Z; Mohrmann, J.; Kampmeier, M.; Veloso-Alarc贸n, M-E; Schumacher, M; Dierking, J (2024): Multibeam bathymetry raw data (Kongsberg EM712 entire dataset) of RV MARIA S. MERIAN during cruise MSM126 [dataset]. PANGAEA,
- Stauffer, J.B; Hoving, H-J.T; Gazis, I-Z; Mohrmann, J; Kampmeier, M; Veloso-Alarc贸n, M-E; Schumacher, M; Dierking, J (2024): Multibeam bathymetry raw data (Kongsberg EM 122 entire dataset) of RV MARIA S. MERIAN during cruise MSM126 [dataset]. PANGAEA,
- Gazis, I-Z; Greinert, J (2023): Multibeam bathymetry raw data (W盲rtsil盲 ELAC 3050 MK II entire dataset) of RV POSEIDON during cruise POS526, North Sea. PANGAEA,
- Gazis, I-Z; Thomadaki, M; Greinert, J (2023): Multibeam bathymetry processed data (W盲rtsil盲 ELAC 3050 MK II entire dataset) of RV POSEIDON during cruise POS526, North Sea. PANGAEA,
- Haalboom, S; de Stigter, H; Urban, P; Gazis, I-Z; Gillard, B; Schoening, T (2022): Turbidity data measured during a dredge experiment during RV SONNE cruise SO268/2 in the German license area, CCZ, NE Pacific Ocean. PANGAEA,
- Baeye, M; Haalboom, S; Urban, P; Gazis, I-Z; Gillard, B; Schoening, T; de Stigter, H (2022): Turbidity data measured during a dredge experiment during RV SONNE cruise SO268/2 in the German license area, CCZ, NE Pacific Ocean. PANGAEA,
- Greinert, J; Haalboom, S; Urban, P; Gazis, I-Z; Gillard, B; Schoening, T; de Stigter, H (2022): Turbidity and current data measured during a dredge experiment during RV SONNE cruise SO268/2 in the German license area, CCZ, NE Pacific Ocean. PANGAEA,
- Haalboom, S; de Stigter, H; Urban, P; Gazis, I-Z; Gillard, B; Schoening, T (2022): Current data measured during a dredge experiment during RV SONNE cruise SO268/2 in the German license area, CCZ, NE Pacific Ocean. PANGAEA,
- Gazis, I-Z; Mohrmann, J; Schoening, T; W枚lfl, A-C, 2021: Multibeam bathymetry processed data (Kongsberg EM 122 working area dataset) of RV MARIA S. MERIAN during cruise MSM96. PANGAEA,
- Mohrmann, J; Gazis, I-Z; Schoening, T; W枚lfl, A-C, 2021: Multibeam bathymetry raw data (Kongsberg EM 122 entiredataset) of RV MARIA S. MERIAN during cruise MSM96. PANGAEA,
- Schoening, T; Gazis, I-Z; Mohrmann, J, 2021: Sediment echosounder raw data (Atlas Parasound P70 echosounder entire dataset) of RV MARIA S. MERIAN during cruise MSM96. PANGAEA,
- Schoening, T; Kopte, R; Mohrmann, J; Gazis, I-Z, 2020: ADCP current measurements (75 kHz) during Maria S. Merian cruise MSM96. PANGAEA,
- Schoening, T; Kopte, R; Mohrmann, J; Gazis, I-Z, 2020: ADCP current measurements (38 kHz) during Maria S. Merian cruise MSM96. PANGAEA,
- Gazis, I-Z; Urban, P.; Haeckel, M., 2020: Swath sonar multibeam EM122 bathymetry raw data during SONNE cruises SO268/1 and SO268/2, German License Area in Clarion Clipperton Zone, Pacific. 黑料视频 - Helmholtz Centre for Ocean Research Kiel, PANGAEA,
- Gazis, I-Z; Urban, P.; Haeckel, M., 2020: Swath sonar multibeam EM122 bathymetry raw data during SONNE cruises SO268/1 and SO268/2, Belgian License Area in Clarion Clipperton Zone, Pacific. 黑料视频 - Helmholtz Centre for Ocean Research Kiel, PANGAEA,
- Gazis, I-Z; Urban, P.; Haeckel, M.; W枚lfl, A-C., 2020: Swath sonar multibeam EM122 bathymetry raw data during transits of SONNE cruises SO268/1 and SO268/2, Pacific. 黑料视频 - Helmholtz Centre for Ocean Research Kiel, PANGAEA,
- Gazis, I-Z. 2020: Processed EM122 multibeam swath bathymetry collected during SONNE cruise SO268/1 inside the German Licensed Area in Clarion Clipperton Zone, Pacific. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA.
- Gazis, I-Z. 2020: Processed AUV multibeam swath bathymetry collected during SONNE cruise SO268/1 inside the German Licensed Area in Clarion Clipperton Zone, Pacific. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA.
- Gazis, I-Z. 2020: Processed EM122 multibeam swath bathymetry collected during SONNE cruise SO268/1 inside the Belgian Licensed Area in Clarion Clipperton Zone, Pacific. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA.
- Gazis, I-Z; Urban, P., 2020: Swath sonar multibeam EM122 water column data of R/V SONNE cruises SO268/1 and SO268/2 with links to wcd data files. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA,
- Gazis, I-Z; Urban, P., 2020: Profile of sediment echo sounding during SONNE cruise SO268/1 with links to raw ParaSound data files. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA,
- Gazis, I-Z; Urban, P., 2020: Profiles of vertical fish echo sounder Simrad EK60 during R/V SONNE cruises SO268/1 and SO268/2 with links to raw data files. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA,
- Gazis, I-Z; Urban, P., 2020: Shipboard ADCP data during R/V SONNE cruises SO268/1 and SO268/2 with links to raw data files. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA,
- Urban, P; Gazis, I-Z., 2020: Processed ROV multibeam swath bathymetry collected during SONNE cruise SO268/2 inside the Belgian Licensed Area in Clarion Clipperton Zone, Pacific. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA.
- Schoening, T.; Gazis, I-Z., 2019: Sizes, weights, and volumes of polymetallic nodules from box cores taken during SONNE cruises SO268/1 and SO268/2. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA,
- Schoening, T; Gazis, I-Z., 2019: Summary of sizes, weights, counts and coverage of poly-metallic nodules from box cores taken during SONNE cruises SO268/1 and SO268/2. 黑料视频-Helmholtz Centre for Ocean Research Kiel, PANGAEA,
Scientific Expeditions
- AL628: Assessing the environmental impact of underwater munitions in the Baltic Sea and advancing autonomous seafloor mapping technologies. Kiel (Germany) 鈥 Kiel (Germany), 13.03 鈥 28.03.2025.
- IP21-MANGAN 2021: Independent scientific monitoring of two collector tests in the BGR and GSR contract areas for the exploration of polymetallic nodules in the equatorial NE Pacific. San Diego (USA) 04.04.2021 鈥 San Diego (USA) 15.05.2021. Expedition report:
- MSM96 鈥 METAL ML: Heterogeneity and complexity of topography, habitats and geochemistry of the Atlantic Ocean seafloor. Emden (Germany) 鈥 Emden (Germany), 10.10.-10.11.2020. Expedition report:
- SO268-1: JPI Oceans - Environmental impacts and risks of deep-sea mining. Manzanillo (Mexico) 鈥 Manzanillo (Mexico), 18.02-27.03.2019. Expedition report:
- MPII/112018: Elucidating Patagonian Ice Sheets dynamics during the last deglaciation from the underwater geomorphology. Punta Arenas (Chile) - Punta Arenas (Chile), 2.11-18.11.2018.
- POS530: Environmental monitoring for the delaboration of munitions on the seabed (UDEMM project) inside the German EEZ (Baltic Sea). Kiel (Germany) 鈥 Kiel (Germany), 1.10 鈥 21.10. 2018. Expedition report:
- M143 鈥 SLOGARO: Slope failures and active gas expulsion along the Romanian margin 鈥 investigating relations to gas hydrate distribution. Varna (Romania) 鈥 Heraklion (Greece), 12.12.-22.12.2017. Expedition report:
- UDEMM MBES surveys: R/V F.K. Littorina Kiel (Germany). Research program UDEMM (Environmental monitoring for the delaboration of munitions on the seabed), 2016 鈥 2018.
- EF14: Multidisciplinary Ship-Based training for European Postgraduates and Graduate Students of Marine Science- Messina, Italy, 4.07 鈥 9.07.2014. Eurofleet project - Alliance of European Research Fleets.
- Geophysical survey R/V Alkion, Lesvos Island (Greece). Research program THALES-MARE, 2014.
- Geophysical survey R/V Amfitriti, Lesvos Island (Greece). Innomar Technologie GmbH research campaign 2013.
Conferences
- Stauffer J. B., Volpato M., Canning-Clode J., Dierking J., Gazis I-Z., Greinert J., Mohrmann J., Hoving Henk-J.; 2025: Benthic habitat distribution and diversity on the slopes of Madeira. 17th Deep-Sea Biology Symposium, 12-17 January Hongkong, China.
- Gazis I.Z., Charlet F. Greinert J., 2024: Machine learning and backscatter for spatial mapping of deep-sea polymetallic nodules. 5 鈥 7 November, Rostock-Warnem眉nde, Germany.
- Gazis I-Z, de Stigter H., Mohrmann J., Heger K., Diaz M., Gillard B., Baeye M., Veloso-Alarc贸n, M., Purkiani K., Haeckel M., Vink A., Thomsen L., Cuvelier D., Ramalho P., Greinert J., 2023: Deep-sea Mining Trial in the Clarion-Clipperton Zone: Advancements in resource estimation, plume monitoring, and environmental impact assessments. Underwater Minerals Conference, October 1 - 6, 2023, Rotterdam, Netherlands.
- de Clippele L., Gafeira J., Arosio R., Huvenne V. A. I., Ragnarsson S., Kutti T., Larsson A. I., Sowers D., Diesing M., Gazis I.-Z., Greinert J., Hebbeln D., Wienberg C., Titschack J., Wheeler A., Mohn C., Burmeister K., Schwarzkopf F., Orejas C., Roberts M., 2023: Using the novel CoMMa toolbox to map and characterize coral mounds across the Atlantic Ocean. 8th International Symposium on Deep-Sea Corals, Edinburgh, United Kingdom, 29 May - 02 June 2023
- Gazis I.-Z., de Stigter H., Mohrmann J., Heger K., Diaz M., Gillard B., Baeye M., Veloso-Alarc贸n, M., Purkiani K., Thomsen L., Haeckel M., Vink A., Greinert J., 2023: Deep-sea Mining: Spatiotemporal seafloor and plume monitoring of in-situ trials in Clarion-Clipperton-Zone using hydroacoustic and optic methods, GEOHAB 2023 Marine Geological and Habitat Mapping Conference, La R茅union, France, 08-12 May 2023
- Gazis I.-Z., Charlet F.,Greinert J., 2023: A multiple-model machine learning approach with increased interpretability for spatial prediction of polymetallic nodules using hydroacoustic and optic data. GEOHAB 2023 Marine Geological and Habitat Mapping Conference, La R茅union, France, 08-12 May 2023
- Diaz M., de Stigter H., Gillard B., Gazis I.-Z., Mohrmann J., Heger K., Baeye M., Thomsen L., Greinert J., 2023: Monitoring flocculation during a deep-sea mining test in the Clarion-Clipperton Zone, eastern equatorial Pacific Ocean. EGU General Assembly 2023, Vienna, Austria & Online, 23-28 April 2023
- Gazis I.-Z., de Stigter H., Mohrmann J., Heger K., Diaz M., Gillard B., Baeye M., Purkiani K., Veloso-Alarc贸n, M., Hollstein M., Schoening T., Urban P., Haalboom S., Thomsen L., Haeckel M., Vink A., Charlet F., Greinert J., 2022: Deep-sea mining plume monitoring: Results from the first deep-sea trial of the Patania-II pre-prototype nodule collector and parallel plume monitoring with hydroacoustic and optic methods. Underwater Minerals Conference, October 2 - 7, 2022, The Vinoy Renaissance Resort, St. Petersburg, Florida, US
- Purkiani K., Gazis I.-Z., Mohrmann J., Heger K., Diaz M., Veloso-Alarc贸n, M., Gillard B., Baeye M., Paul A., de Stigter H., Haeckel M., Vink A., Greinert J., Thomsen L., Schulz M.2022: Numerical simulation of deep-sea sediment dispersion induced by a pre-prototype nodule collector vehicle in the northeast tropical Pacific Ocean. Underwater Minerals Conference, October 2 - 7, 2022, The Vinoy Renaissance Resort, St. Petersburg, Florida, USA.
- Gazis I.Z., Greinert J., 2022: Machine learning-based modeling of deep-sea polymetallic nodules spatial distribution: spatial autocorrelation and model transferability at local scales. EGU General Assembly 2022, Vienna, Austria & Online, 23-27 May 2022.
- Veloso-Alarc贸n, M., Gazis I.-Z., Geiger, A., Bertrand Sebastien, and Cristi谩n Rodrigo, 2022: Advances on submarine geomorphology at the Fjord system of Gran Campo Nevado (~52掳S) EGU General Assembly 2022, Vienna, Austria & Online, 23-27 May 2022.
- Gazis I.Z., Greinert J., 2022: The effect of spatial autocorrelation in machine learning-based modeling of deep-sea polymetallic nodules spatial distribution. GEOHAB 2022 Marine Geological and Habitat Mapping Conference, Venice, Italy 16-20 May 2022.
- Gazis I.Z., Greinert J., Schoening T., 2019: Spatial quantitative mapping of polymetallic nodules based on machine learning. 12th Russian-German Raw Materials Conference, Saint Petersburg, Russia, 27-29 November 2019.
- Gazis I.Z., Greinert J., Schoening T., 2019: Manganese nodules spatial quantitative mapping based on AUV data and machine learning. Regional Conference on Geomorphology, Athens, Greece, 19-21 September 2019.
- Geiger A.J., Smedley R.K., Garcia1 J.L., Rodriguez P.C., Herrera G., Ferri L.,Veloso M., Gazis I.Z., Bertrand S., 2019: A multi-method approach to constrain glacier geometry changes between the Gran Campo Nevado and Pacific Ocean during last glacial-deglacial phase.20th Congress of the International Union for Quaternary Research (INQUA), Dublin, Ireland, 25-31 July 2019.
- Alibakhsi A., Kumar A., Gazis I.Z., Seelmann K., Juva K. 2018: Presenting the scientific research held at 黑料视频 Helmholtz Centre for Ocean Research Kiel From the Deep Sea to the Atmosphere. NexGen Conference, Helmholtz-Centre Potsdam, German Research Centre for Geosciences, 25-27 July 2018
- Gazis I.Z., Greinert J., Schoening T., 2018: Digital Data in Marine Resource Assessment: Challenges and Chances. 黑料视频 DataScience Symposium, Kiel, Germany, 19-20 April 2018.
- Gazis I.Z., Greinert J., Schoening T., 2017: AUV-based small scale quantitative predictive mapping of Mn-nodules: Precondition for ideal mining path planning. Economical, Technological, and Environmental Aspects: Cooperative Solutions for Future Deep-sea Mining. 46th Underwater Mining Conference, Federation of German Industries (BDI), Berlin, Germany, 24-29 October 2017.
- Gazis I.Z., Hasiotis T., Velegrakis A.F., Anastasatou M., Kard谋tsa A., Andread谋s, O., Kapsimalis V., Stamatakis M., Poulos S., 2017: The potential of marine aggregate deposits off a highly eroded coastal area in Lesvos Isl. (Greece) - Implications for coastal management. 15th International Conference on Environmental Science and Technology, Rhodes, Greece, 31st August - 2nd September 2017.
- Gazis I.Z., Lazogiannis K., Hasiotis T., Velegrakis A., Poulos S., 2014: Recent sedimentation processes in the subaqueous part of Pinios delta (Thessaly), Greece. 10th International Congress of the Hellenic Geographical Society, Thessaloniki, Greece, 22-24, October 2014.
Awards
- 1st award in the Section Energy and Digitalization in Sustainable Development during the 12th Russian-German Raw Materials Conference, Saint Petersburg, Russia, 27-29 November 2019.
- 1st award Europa macht Schule 2018, CAU Lektorat Deutsch als Fremdsprache.
- Bodossaki Foundation full Master scholarship 2015-2016.
- 1st ranked student in Master class 2016, and Bachelor class 2014. Awarded with the research grant 鈥極miros Kontoulis 2015鈥 Department of Marine Sciences, University of the Aegean.
Education
PhD in Marine Geosciences, DSM Group, 黑料视频 Helmholtz Centre for Ocean Research Kiel and Christian Albrechts University of Kiel, Germany (2017 鈥 2024)
Thesis: 鈥淒eep-sea polymetallic nodules spatial modelling with machine learning algorithms and benthic plume monitoring.鈥
Grade: Excellent with highest praise (Summa Cum Laude, 0.7/5)
MSc in Integrated Coastal Management, Department of Marine Sciences, University of the Aegean, Greece (2015 鈥 2016)
Thesis: 鈥淚nvestigating the potential of marine aggregate deposits around Lesvos Island.鈥
Grade: Excellent (9.04/10)
BSc in Marine Sciences, Department of Marine Sciences, University of the Aegean, Greece (2009 鈥 2014)
Thesis: 鈥淩ecent sedimentation processes in the subaqueous part of Pinios Delta.鈥
Grade: Excellent (8.60/10)