Special Sessions

SPECIAL SESSIONS

S1. Evolving techniques in the study of sediments

The principal objective of this session is to document recent developments in the various aspects of Sedimentology.
For this reason, we seek contributions related to (but not limited to) the following:

  • Sedimentary processes and depositional settings
  • Offshore/Onshore Sedimentary Basin hydrocarbon potential in Greece
  • Cyclothematic sedimentation
  • Sea-level impact on Carbonate factories and terrigenous settings
  • Volcaniclastic sedimentation and tephra markers
  • Imprint of Ocean dynamics on sediments
  • Anthropogenic impact on sedimentary environments
  • Remote sensing applications in evolving sedimentary environments
  • Diagenetic processes in carbonates
  • Synsedimentary deformation

In this regard, the special session will be very useful to deepen the knowledge of several methods used to study sediment.
The special session is held under the auspices of the Hellenic Association of Sedimentologists.
The full-text articles submitted to this Special Session will have the opportunity to be submitted for publication in the Special Issue, organized by the Journal of Marine Sciences and Engineering (Impact Factor = 2.458, Cite Score = 2.0, Scopus Indexed)

(https://www.mdpi.com/journal/jmse/special_issues/cl_gsg2022_sedimentology).

Full papers should be submitted at the email addresses of the guest editors before the deadline of 31/9/2022. Five high-quality original research articles, as selected by the guest editors, will be published free of charge, while a 50% discount will be provided for additional five articles. After the above selection, articles will be published immediately after the reviewers and editors accept them; thus, there will be no need to wait for the deadline for the Special Issue to view them.

Gratefully acknowledged by the Organizing Committee of the 16th International Congress of the Geological Society of Greece, the publication fees for the selected papers are kindly being sponsored by the Journal of Marine Sciences and Engineering.

Conveners:
George Kontakiotis, National and Kapodistrian University of Athens;
Angelos G. Maravelis, Aristotle University of Thessaloniki;
Avraam Zelilidis, University of Patras

S2 Session
S2. Quaternary processes and geoenvironments in the active Corinth Rift

The Corinth Gulf area is a laboratory for studying the dynamic environment evolution in a young and active rift. The onshore and offshore sedimentary record of the Corinth rift offers unique temporal and spatial insights into the interplay between tectonics, climatic and surface processes. This high-resolution archive records the climate control on sea level fluctuations, basin sedimentary supply, as well as the response of terrestrial and aquatic ecosystems to Quaternary glacial/interglacial cycles.

The area has gained the attention of several earth scientists from various fields, including an IODP coring campaign (IOPD Exp. 381: Corinth Active Rift Development) during late 2017-early 2018. This session intends to bring together scientists from different disciplines such as geomorphology, stratigraphy, sedimentology, paleontology, geochemistry, geochronology, tectonics, geophysics, seismology, structural geology, geohazards dealing with the sedimentary record of the Corinth Rift area.

Conveners:
Maria Geraga, University of Patras;
Katerina Kouli, National and Kapodistrian University of Athens;
Lisa McNeill, University of Southampton UK;
Georgios Michas, National and Kapodistrian University of Athens

S3. The Damasi earthquakes one year after: addressing geological questions

The March 2021 seismic sequence of Central Greece, called the Damasi earthquake, caused the significant destruction of many houses in villages and infrastructures within the epicentral region. The geological and tectonic setting of the area is complex and morphotectonic evidence of recent activity is poorly known and not well investigated in the past. As a result, several geological questions arose from the seismic sequence and this special session will be devoted to discussing them. Are the causative faults of the major events correlated with the active Tyrnavos Graben affecting northern Thessaly? Are all causative faults blind or do they have a surface expression? Can we correlate InSAR analysis with the field geology data? What does palaeoseismological evidence tell us about the seismic history in the area? As research on active faults developed, in parallel with the evolution of modern geosciences, can the emerging drone technology improve our understanding of the earth surface deformation? Or is earthquake geology close to a limit? Where can the new progress come from?

In this Special Session, we welcome presentations on the topics such as developments/ improvements in all disciplines of earthquake geology.

Conveners:
Ioannis Koukouvelas, University of Patras;
Riccardo Caputo, University of Ferrara IT;
Konstantinos Nikolakopoulos, University of Patras

S3 session
S4 session
S4. The Hellenides: Tectonostratigraphic terranes, tectonic units and orogenic evolution

Despite extensive studies on the Hellenides over the last decades, a number of controversies remain concerning the tectonostratigraphic terranes, tectonic units and orogenic evolution of this Alpine-type orogenic system. This special session aims to address these controversies and shed some more light into current theories. We invite presentations that cover a wide range of multi-disciplinary approaches from field-based to laboratory-based studies. Particular attention will be given on themes such as: The pre-orogenic palaeogeographic configuration as a mean to understand the Alpine evolution; the correlation of the Hellenides with the Anatolides; single and multi subduction-zone scenarios; the significance of the Late Jurassic to Early Cretaceous orogenic pulse; Tertiary collision and nappe stacking; tectono-metamorphic evolution of (ultra)high-pressure belts; and back-arc opening in the Aegean region.

Conveners:
Dimitris Papanikolaou, National and Kapodistrian University of Athens;
Bernhard Grasemann, University of Vienna AT;
Paris Xypolias, University of Patras

S5. Field Geology in the new era of digital transformation

Since the beginning of the geologic fieldwork in the early 19th century the basic techniques of field geology and data collection remained essentially unchanged and centered on paper-based mapping and data recording, using a geologic compass and hammer. The early 21st century has dramatically changed how we approach data collection in the field from analogue to digital. Modern field geology data collection tools include apps and digital compasses on smartphones and handheld tablets, UAV that collect high-resolution imagery, digital outcrop models assembled with LiDAR or photogrammetry, water and soil wireless sensors, while field work interpretations are enriched by GNSS mobile stations, InSAR monitoring data, handheld XRF and specialized sampling techniques of radiometric dating. All these modern technologies have encouraged the development of new approaches to field work that enable fast and efficient acquisition of field data and offer high spatial and temporal resolution. In addition, they provide a 3D perspective that can support the quantification of geological processes as well as 3D geological modeling.

In this Special Session we invite case studies that will provide a valuable reference for geoscientists, applying modern digital technologies to address fundamental research questions and give insights to the future of field geology.

Conveners:
Richard Jones, Durham University UK;
Sotirios Kokkalas, University of Patras;
Ioannis Papanikolaou, Agricultural University of Athens

S5 session
S6 session
S6. Enceladus Supersite: An integrated observatory of the most seismically active areas of Greece

Geohazard Permanent Supersites are single sites or extended areas of highest priority to the geohazards community in which single or multiple geological hazards caused by single or multiple sources pose a threat to human population and/or critical facilities. Supersites are subject to investigations aiming at broadening the scientific understanding of the causative geological processes and narrowing down the uncertainty in hazard and risk assessment. Supersites provide open and free-of-charge access to comprehensive satellite (optical and/or SAR) and ground-based geophysical data sets derived from different sources and different disciplines (e.g., Seismic, GNSS, Strain meter, Tilt, Gas, gravity, LIDAR).

The area of the Enceladus Supersite covers the most seismically active areas of Greece. In more specific:

  • Ionian Islands, where the highest seismicity in Europe is observed and the highest horizontal acceleration in Greece has been recorded. The area is undergoing rapid and intense ground deformation with large magnitude of recorded uplift (> 4 mm/yr) that took place in the western part of Cephalonia Island for the period of 2003 to 2010.
  • Corinth Rift, an ideal natural laboratory to investigate rift deformation mechanisms. Both 5-10-yr GPS and 100-yr triangulation GPS velocity estimates suggest N-S extension at 15mm/yr in the west.
  • Evoikos Rift, where a strongly thinned continental crust is below the central section of the northern part with thicknesses of only 19-20km and a local uplift rate exceeding 1mm/year. A rotation rate of 3-5˚/Myr is reported for the eastern central Greece domain.

This special session aims to collect scientific investigations related to the task of the supersite.

Conveners:
Spyros Lalechos, Earthquake Planning and Protection Organization of Greece;
Thomas Salonikios, Institute of Engineering Seismology and Earthquake Engineering, Earthquake Planning and Protection Organization of Greece

S7. Recent Advances in InSAR and GNSS Applications for Crustal Deformation mapping and monitoring

The unprecedented access to SAR observations from ESA’s Sentinel-1A/B satellites, has resulted in a remarkable increase in SAR data availability that have contributed to numerous studies on crustal deformation patterns around the globe. The continuous upgrade of the GNSS constellations have also provided high-quality signals for computing accurate ground displacement due to earthquakes, fault creep and other phenomena. The synergy of these data has resulted in a new age for GNSS and InSAR results, providing enormous scientific opportunities coupled with significant technical and computational challenges. Here we invite contributions with new observations, methods and strategies that address these opportunities, highlighting recent GNSS and InSAR developments in the following areas: (1) crustal deformation studies that take advantage of the geodetic time-series information and development of new data products and models of tectonic strain; (2) Advances in big data, machine learning and cloud-based processing techniques applied to GNSS and InSAR, 3) development and distribution of data and value-added products through platforms such as EPOS; (4) submissions that focus on new applications of GNSS and InSAR to earthquakes, ground subsidence and volcanic activity.

Invited Speaker: Dr Pierre Briole, Ecole Normale Superieure, Paris, France. E-mail: briole@ens.fr

Conveners:
Athanassios Ganas, National Observatory of Athens;
Panagiotis Elias, National Observatory of Athens;
Vassilis Sakkas, National and Kapodistrian University of Athens

S7 session
S8 Session
S8. 40 years after the East Corinth Gulf destructive earthquakes: Lessons learned, ongoing studies and future directions

In February-March 2021 three shallow normal fault earthquakes rocked the easternmost part of the Gulf of Corinth, Greece, and the region of Beotia at a close distance from Athens, the capital city of Greece. The first earthquake occurred at 20:53 on 24 February, at a moment magnitude of 6.6 (GCMT), followed by two shocks of magnitude M= 6.3 on 25 February (02:35) and 4 March (21:58). The first two epicentres were inside the Alkyonides Gulf, while the third was onshore in the Beotia area. The earthquakes generated km-long surface ruptures along three active normal faults; the Pisia, Skinos and Kaparelli Faults. In addition, widespread environmental damages accompanied these earthquakes, including rockfalls, landslides, liquefaction, coastal subsidence or uplift, and a weak tsunami wave. The entire earthquake sequence killed 20 persons, and rendered more than 22,000 buildings beyond repair, while many more suffered repairable damage.

This special session aims to revisit the most significant earthquake sequence in this area of central Greece during the 20th century and discuss the findings and research advances during the last 40 years given the major upgrades of the seismological, strong motion and geodetic networks of Greece. The topics of the session span a multi-disciplinary research agenda toward demonstrating a very broad set of observations from this earthquake sequence in a single venue. The session also aims in improving coordination efforts in future directions including development and planning of research opportunities amongst earth scientists, engineers and civil protection authorities. By engaging a wide range of participants, the session will help facilitate that the lessons learned not only influence future research, but can also inform future mitigation actions that have the potential to save lives, reduce damage, and maintain critical post-event services in Greece.

Conveners:
Athanassios Ganas, National Observatory of Athens;
Ioannis Koukouvelas, University of Patras;
Panagiotis Papadimitriou, National and Kapodistrian University of Athens;
Gerassimos Papadopoulos, International Society for the Prevention & Mitigation of Natural Hazards

S9. The Karst record

Karst landforms are mainly the result of geochemical and hydrogeological processes acting on soluble substratum, either carbonates or evaporites.
The resulting landscapes are widespread around the globe, covering around 20%of the ice-free land surface, and including numerous properties of outstanding universal value. Understanding the peculiar geomorphology and hydrology of these environments is essential to prevent and mitigate a great deal of environmental and engineering problems associated with them (e.g., sinkholes, water over-exploitation, and degradation).

Moreover, karst caves contain some of the most valuable paleoenvironmental records of the continental realm. This session aims to bring together researchers working on karst geomorphology and related topics.

Special attention will be given to the following themes:

(1) driving agents and scales of karst dissolution;
(2) impact of active tectonics on cave architecture;
(3) karst deposits and their paleoclimate record;
(4) karst in high-solubility evaporate rocks;
(5) impact and hazards in karst environments.

Conveners:
Christos Pennos, University of Bergen NO;
Aurel Persoiu, Emil Racovita Institute of Speleology RO

S9 session
S10 session
S10. Geomorphological Hazards

A geomorphological hazard results from any landform change that adversely affects the geomorphic stability of a site and that intersects the human use system with adverse socioeconomic impacts. The geomorphic disasters often are related or involved with others. The dominant geomorphic hazards and disasters are: landslides, subsidence, collapses, rock falls, debris flows, floods, desertification, erosion, coastal erosion, river or channel erosion and soil erosion. The geomorphic hazards are characterized by magnitude, frequency, and areal extend.

We welcome contributions related to geomorphological hazard assessment, modelling, monitoring, mitigation, and urban and regional planning.

Conveners:
Efthimios Karymbalis, Harokopio University;
Niki Evelpidou, National and Kapodistrian University of Athens;
George Bathrellos, University of Patras

S11. Geohazards associated with shallow and deep marine sediment transport

The urgent need for immediate energy transition is pushing more and more infrastructure into the coastal and shallow marine environment where wave, tidal and wind energy can be harnessed. Urbanisation of the coastal zone does not seem to slow down, even with the threat of rising sea level. The deep marine environment, once the focus of hydrocarbon exploration is now becoming the focus of carbon capture and storage, while at the same time networks of high-speed cables are constantly laid down, traversing our vast ocean basins. Marine sediments are always on the move at fast or slow rates, themselves affected by the new installations but also by a rapidly changing climate. Can we, as marine geoscientists, help to safeguard society from the increasing and intensifying marine geohazards? This session is inviting contributions from researchers and developers that operate in these environments and study these processes.

Conveners:
Aggeliki Georgiopoulou, University of Brighton UK;
Paraskevi Nomikou, National and Kapodistrian University of Athens

S11 session
S12 session
S12. Marine Geoarchaeology

Marine Geoarchaeology is a multidisciplinary scientific discipline that links marine archaeology with ocean and earth sciences and ocean engineering, including the analysis of climate change, sea-level change, palaeogeography, tectonics, sedimentology, palaeo-environmental conditions, prehistoric and historic archaeology of peoples who lived on or migrated across the currently submerged landscapes or travelled across the seas.

It combines archaeological, geological, sedimentological, environmental and geomorphological knowledge, tools and concepts with the aim to answer questions related to the dynamically changing environment, the interaction of humans with the environment, their adaptation to and the way their exploited the environmental changes, the migration, travelling and settlement history and evolution. There are two general approaches in Marine Geoarchaeology: (i) the detection and mapping of ancient and historical shipwrecks lying on the seafloor or partly buried in it (site formation processes) and (ii) the reconstruction of the coastal palaeogeography of submerged sites of archaeological interest (submerged ancient cities, settlements, ports and man-made structures).

This session invites scientific contributions on multi-disciplinary and innovative research on marine geoarchaeological aspects, including but not limited to the reconstruction of submerged prehistoric and historic, coastal or offshore landscapes and environment, documentation of submerged antiquities, discovery and documentation of shipwrecks, techniques and protocols of marine geoarchaeological research.

Conveners:
George Papatheodorou, University of Patras;
Maria Geraga; University of Patras;
Dimitris Sakellariou, Hellenic Centre for Marine Research

S13. From “critical” to “potentially toxic”: Biogeochemical cycling of chemical elements related to the Critical Raw Materials (CRMs) in the terrestrial and marine environments

Economic development and technological innovation drive increased demand for mineral commodities vital for emerging and low-carbon technologies. Relevant elements, considered critical to the economic and national security of the world’s major and emerging economies, included in “Critical Raw Materials” (CRMs) are also essential for the EU to deliver on the climate ambition of the European Green Deal. Chemical element cycling on Earth, in their ionic, complexed or native forms, can be driven by abiotic processes but also by microorganisms via their highly diverse and complex enzymatic machineries. Many elements related to CRMs are considered as potentially toxic for the environment and human health. Environmental impacts and risks related to CRMs are often a two-sided question since some of the products and technologies which utilise CRMs, such as wind turbines and solar panels, were partly developed to reduce environmental impacts, yet the mining and refining of CRMs may have environmental consequences. Furthermore, our knowledge on the environmental fate of potentially toxic elements (PTEs) in the terrestrial and marine environments remains scarce. The aim of this session is to address this dichotomy by understanding the geo-bio-physical-chemical mechanisms controlling the (bio)genesis, (bio)transformation, mobility, upgrading, and environmental fate of such chemical elements. We encourage submissions examining all aspects of the life cycling of critical elements with potential toxicity for the terrestrial and marine environments.

Keynote speakers: 1) Nikolaos Arvanitidis: “Strategic Industrial Value Chains and Critical Raw Materials of Europe” 2) Ernest Chi Fru: “Arsenic and phosphorus cycling in modern and ancient systems: unraveling the impact of arsenic on biological phosphate availability.”

Conveners:
Ariadne Argyraki, National and Kapodistrian University of Athens;
Stefanos Kilias, National and Kapodistrian University of Athens;
Paraskevi Nomikou, National and Kapodistrian University of Athens

S13 special session
S14 Session
S14. Insights into the Nature of the Earth’s Upper Mantle approached from the study of Ophiolites and Volcanic Rocks

The petrological, geochemical and structural study of ophiolites is of immense importance to unravel and shed light on the origin and nature of the oceanic lithosphere. This is essential for resolving complex plate tectonic processes and effects attributed to subduction-related processes. Lavas and their derivatives having oceanic lithosphere and/or subduction associated affinities provide additional information about melt segregation, degrees of partial melting, as well P-T conditions that occur in the depths of their origin contributing towards better understanding the magmatic processes and the evolution of the Earth’s crust and mantle.

The session welcomes contributions focusing on:

  • Petrogenetic processes of ophiolites and volcanic rocks inferred through their mineralogy, petrology and geochemistry.
  • Insights into the formation, evolution and emplacement of ophiolites;
  • The nature of the metasomatic agents and serpentinization;
  • Comprehension of subduction-associated phenomena.
  • Ore genesis within the mantle and mantle-Moho transition.

Conveners:
Petros Koutsovitis, University of Patras;
Andreas Magganas, National and Kapodistrian University of Athens;
Panagiotis Pomonis, National and Kapodistrian University of Athens

S15. Raw materials in energy transition era

According to global and European decisions, the transition to low-carbon economy will inevitably lead to an increased demand of certain raw materials as a results of the deployment of green technologies. A significant part of this green growth is the evolution of electric cars, wind turbines and photovoltaics, and the demands on materials that raised from their mass production. Among all the materials required for green growth, lithium, graphite, nickel, cobalt and manganese are the key metals used to make EV batteries for electric cars and REE for catalysts, magnets, batteries and special alloys. Given the current state of the mining, processing and recycling industry, there are many scientists and analysts who believe that there is a significant global deficit of minerals mined/recycled to make sufficient batteries and other green-products to adequately meet projected EV demand.

The purpose of this special session is to describe the current situation of the extraction and processing of the raw materials which are necessary in energy transition era worldwide, as well as the type of the end-products derived. In addition, focus will be given to highlight the prospects of the rapidly developed industries related to the Energy Transition Era, and finally, besides Europe and the Americas, to record the situation in Greece and to explore the possible significant role of some Greek deposits in green growth.

Conveners:
Michael Stamatakis, National and Kapodistrian University of Athens;
Nikolaos Kantiranis, Aristotle University of Thessaloniki

S15 session
S16 session
S16. Advances in Mineral Resource Estimation and Reporting

Mineral resource estimation has a major economic impact and drives investment decisions. The scarcity of available information and the subjectivity of geological interpretation increase the associated risk. The technological tools available for mineral resource estimation are constantly advancing with the development of new techniques and algorithms including machine learning, as is their implementation by companies and institutes involved in studying new and existing mining projects. These tools provide improved efficiency and allow geologists more time to test genetic models and understand ore genesis, with the aim of reducing risk. Reporting of mineral resource estimation results is controlled by internationally accepted Reporting Codes that provide guidelines and standards to estimation practitioners and help in the development and enforcement of good practices when estimating the quantity and grade of potentially economic and mineable mineral occurrences. This session aims to cover recent developments and current practice in the following areas:

Geological modelling: data, methods and processes used for generating 3D models of geological features.

Grade estimation: methods for estimating tonnage and grade/quality of a mineral deposit, including recent software advances, new techniques, and comparisons of techniques in different mineralisation types.

Mineral Resource reporting: methods used for generating mineral resource statements, including recent updates to Reporting Codes.

Conveners:
Ioannis Kapageridis, University of Western Macedonia;
Stavros Kalaitzidis, University of Patras

S17. The Hydrocarbon prospectivity of SE Mediterranean: targets and opportunities

We invite researchers to submit their work in the field of hydrocarbon exploration or exploitation either in Greece or around the wider SE Mediterranean region, and more specifically in the following topics:

  1. The exploration and identification of hydrocarbon fields based on fieldwork and the interpretation of subsurface data (seismic reflections and drilling data).
  2. The prospecting for source rocks, with a detailed stratigraphic, geochemical and sedimentological analysis, and the environmental conditions during their deposition (biostratigraphy, microfacies analysis).
  3. The classification and identification of potential reservoirs.
  4. The analysis of the tectonic regime, determining the types of possible traps and their evolution spatially and temporally.
  5. Strategic studies on the environmental impacts from the exploitation of hydrocarbons.
  6. Activities related to Drilling, Reservoir and Production Engineering aspects of Hydrocarbons, CCUS and deep high enthalpy geothermal reservoirs, such as testing, logging, monitoring and simulation of E&P relevant wells and fields.
  7. The modeling of oil spill fate and transport. Every aspect relevant to E&P such as SEIA, BSR, EAP, ESIA, EIA and HSE awareness.
  8. Examples of using integrated multi-physics (seismic, electromagnetic, gravity, magnetic, etc.) studies and/or novel machine learning techniques for exploration or reservoir characterization in the SE Mediterranean region.

Recognizing the global energy transition trend, we will try to highlight the efforts towards a sustainable exploration and exploitation of our energy sources.

The special session is held in cooperation with the Hellenic Association of Sedimentologists.

The articles submitted to this Special Session will have the opportunity to be submitted for publication in the Special Issue, organized by the Geosciences (Cite Score = 3.4, Scopus Indexed) (https://www.mdpi.com/journal/geosciences/special_issues/hydrocarbon_prospectivity).

Three selected by the Guest Editors’ high-quality original research articles will be published free of charge, while a 50% discount will be provided for additional five (5) articles for their publication. This will be a dynamic Special Issue, in which articles will be published as soon as the reviewers and editors are ready to accept them, without waiting for the deadline for the entire Special Issue to arrive. Full papers should be submitted at the email addresses of the guest editors before the deadline of 31/9/2022.

Gratefully acknowledged by the Organizing Committee of the 16th International Congress of the Geological Society of Greece, the publication fees for the selected papers are kindly being sponsored by Geosciences.

Conveners:
Avraam Zelilidis, Hydrocarbon Research Institute, P.E.K. University of Patras;
Nikolaos Pasadakis, Institute of Petroleum Research, Foundation for Research and Technology – Hellas;
Aristofanis Stefatos, Hellenic Hydrocarbon Resources Management SA.

S17 session
S18 session
S18. Remote Sensing Techniques in Geohazards

It is well known that the frequency of natural hazards tends to increase the last decade. Despite the fact that the climate change has not been statistically correlated with the continuous increase in hydrometereological hazards (i.e. landslide occurrence and flooding), the recent cases that occurred in Greece but also globally, show that the intensity of these phenomena and the severity of the induced damages to manmade environment is getting much higher. In addition, earthquakes and secondary phenomena i.e. coseismic landslides, liquefaction, tsunamis etc., keep occurring in prone to earthquake regions, causing related disasters. A holistic study of these hazards includes, among other topics, either the spatial delineation of the most likely to failure areas (susceptibility) before the occurrence of the hazardous event but also the rapid record of the generated damages as soon as possible after the triggering of the natural event.

This special session focuses on the crucial role that remote sensing techniques can play to accomplish both goals. In particular, the purpose of this session is to provide the researchers the opportunity to present their work concerning the data processing of satellite imagery (optical and radar), aerial photographs and UAS- or LiDAR surveys (aerial or terrestrial). Case studies from recent disaster events and studies are expected, while contributions can be addressed issues focusing on new methodologies.

Conveners:
Sotiris Valkaniotis, Democritus University of Thrace;
Emmanuel Vassilakis, National and Kapodistrian University of Athens;
George Papathanassiou, Aristotle University of Thessaloniki

S19. (Big) Data processing and optical/thermal Remote Sensing in mineral exploration and resource characterization

The proposed special session aims at collecting high-level contributions focusing on new advances in data processing, including big data, machine learning and other relative processing algorithms as well as optical/thermal remote sensing applications for the detailed detection, classification, discrimination, identification, characterization, and quantification of materials and their geochemical and spectral properties. More specifically, it will address topics included in the following non-exhaustive list of applications and relative data processing techniques/algorithms:

Applications: · Geological remote sensing applications · Geologic mapping · Minerals exploration, surface composition mapping · Mapping of alteration zones and associated metal deposits (including REE and minerals) · Resource characterization · Planetary geology – Surface composition and mineralogy · Geochemistry · Drill core imaging · Ground-based outcrop imaging · Exploitations monitoring · Mine waste and sustainability · Landscape rehabilitation

Data processing techniques/algorithms: · Geostatistical algorithms · Big data handling and processing · Classification and Clustering · Spectral unmixing adopting either linear or non-linear models · Imaging spectroscopy · Dimensionality reduction · Data transformations · Data fusion · Multiscale imaging · 3D modeling · GIS application

Conveners:
Olga Sykioti, National Observatory of Athens;
Ioannis Kapageridis, University of Western Macedonia;  
Evangelos Tzamos, GRawMat Innovation Cluster / EcoResources

S19 Session
S20 session
S20. New perspectives for the monitoring and early detection of Geohazards

There are several types of geohazards with different natural and artificial causes and all of them have the potential to create problems on the natural and man-made environment. Geohazards can develop quickly in response to the processes that drive them, or take decades, hundreds, or thousands of years to develop to a point where they pose a threat to the safety of people and infrastructures. Their existence is an indication of the continuous earth evolution and lately of the negative effects of climate change in the environment. Primary geohazards include earthquake, volcanic eruptions, and hydrometeorological phenomena. Geohazards can trigger secondary geohazards such as ground subsidence and rupture, liquefaction, tsunamis, debris flows, avalanches, landslides, flooding, etc., which in recent days can be monitored with a greater efficiency due to the development of a more accurate ground based and airborne instrumentation. The scope of the proposed special session is to present recent developments on the monitoring and early detection of geohazards with an emphasis given in ground deformation. Towards this scope real case studies and some critical problems associated with field implementation and monitoring systems will be presented and thoroughly discussed.

Conveners:
Constantinos Loupasakis, National Technical University of Athens;
Harry Saroglou, National Technical University of Athens;
George Papathanassiou, Aristotle University of Thessaloniki

S21. Archaeomaterials: the earth materials approach to archaeological interpretation

Since the very first appearance of humankind on our planet earth raw materials were indispensable for its resilience and expression. Rocks and sediments were the first employed for constructing tools of various uses or colorants in order to express his innermost feelings and experience on cave walls. In the advance of human history, our ancestors synthesized ceramics by managing to handle clayey materials as well. All these “archaeomaterials” employed by humans for the improvement of their life, embody encrypted documentation of past achievements, intelligence, socialization and behavior. Earth Sciences and other natural sciences as well, stand out as the primary tool for unveiling and decodifying the data hidden in archaeomaterials. In this way, such materials circumscribe a field of knowledge as a kind of membrane osmosis, through which earth sciences and archaeology can interact and jointly study the relationships between man and Nature and identify codes of behavior. The aim of our session is to bring together researchers from the relative disciplines and promote the exchange of ideas and information on archaeomaterials. Archaeologists and earth scientists are invited to present integrated approaches contributing with a series of analytical techniques, commonly used in the earth sciences.

Conveners:
Ioannis Iliopoulos, University of Patras;
Vayia Xanthopoulou, University of Patras;
Anno Hein, National Center for Scientific Research “Demokritos”

S21 special session
S22 session
S22. Geological heritage for education and sustainable development

Sub-session 1 Geoheritage, geoconservation, geoeducation, geoethics

“Geoheritage” is a new term that assumes man’s complete perception of nature and the environment. It aims to highlight the diversity of our planet to illustrate the importance of the biotic and abiotic factors, which document the historical evolution of the Earth. Geoconservation and geoethics are two emerging geoscience domains. Both topics have gained increasing attention from geoscientists and society over the last decade, but the main geoethical dilemmas associated with the conservation and management of geoheritage have yet to be identified.

During the last two decades, the concepts of geoconservation, geoheritage and geoethics have become more widely known. But how are these subjects studied? Are there any applications to that knowledge? Geoeducation constitutes the main tool for first transmitting knowledge and at the same time emphasizing the importance of geoheritage and geoconservation.

This session is devoted to all subjects related to Geoheritage as a promising geotourism product that will lead to the sustainable development of society and will contribute to geoinformation, education, knowledge and public awareness on issues concerning geoconservation and protection.

Research areas may include (but not limited to) the following:

  • scientific studies of geoheritage presenting geosites occurring in different geological and geomorphological contexts
  • techniques for the enhancement of Geoheritage
  • significance of geoheritage in human life
  • geosciences education for sustainability
  • educational programmes
  • sustainable geotourism, which highlight problems connected with the management of geological heritage
  • sustainable use of natural and cultural heritage and resources
  • Valorisation of geoheritage for sustainable and innovative tourism development

Conveners:
Hara Drinia, National and Kapodistrian University of Athens;
Nikolaos Zouros, University of the Aegean;
Asimina Antonarakou, National and Kapodistrian University of Athens

Special Session 22b
S22. Geological heritage for education and sustainable development

Sub-session 2: Achieving sustainable development through geoheritage

Sustainable development goals are the top priority of modern societies to overpass critical situations and risks that climate crisis, pandemics and economic disturbance impose to humans and our fragile planet too. Global UNESCO Geoparks, but not only, serve as model areas where initiatives, actions and methodologies are developed and applied in situ, using geological and geomorphological heritage as a locomotive to achieve these goals.

Assessment of geoheritage, geoconservation and geo-interpretation, adaptation and implementation of modern technologies to communicate and disseminate geological values and knowledge, risk mitigation based on existing geoheritage, initiatives for the holistic management of abiotic and living nature and synergies with local communities and producers are some of the approaches used to achieve sustainability in local level.

This session is addressed thus to all earth and nature scientists focusing on the study, interpretation, conservation and management of our abiotic nature as a tool for local sustainable development.

We welcome research studies related with:

  • Inventory and assessment of geosites
  • Monitoring, conservation and interpretation of geological heritage
  • New technologies (Story maps, VR, AR etc.)  to study, interpret and promote geological heritage
  • Using geoheritage for risk mitigation
  • Holistic management of geo- and bio-diversity
  • Advances in geotourism and engagement of local communities and producers
  • Aspiring geoparks in the Balkans and south-east Mediterranean

Conveners:
Charalampos Fassoulas, University of Crete;
Georgios Iliopoulos, University of Patras;
Nikolaos Zouros, University of the Aegean

 

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