Theodora Tsourou

Theodora Tsourou
National and Kapodistrian University of Athens | uoa · Faculty of Geology and Geoenviromment

PhD

About

59
Publications
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872
Citations

Publications

Publications (59)
Article
Full-text available
The geosites of Lemnos represent local touristic products that, beyond their high aesthetic value, display significant scientific links to the geological past as well as prehistory and history, archaeology, mythology and religious heritage of the island. The unique wealth of Lemnos geosites in combination with the abundance of archaeological sites,...
Article
Full-text available
To enrich spatio-temporal information on the distribution of alien, cryptogenic, and neonative species in the Mediterranean and the Black Sea, a collective effort by 173 marine scientists was made to provide unpublished records and make them open access to the scientific community. Through this effort, we collected and harmonized a dataset of 12,64...
Article
Full-text available
Alkyonides Bay comprises a relative shallow (~ 370 m depth) semi-enclosed basin in the eastern Gulf of Corinth that was formed during the Pleistocene. The transition to modern marine conditions is recorded at around 12 ka BP, linked to the Holocene marine transgression, while tectonic activity and sea level changes control the sedimentation in the...
Conference Paper
This study presents the preliminary results of selected samples from Aggelokastro section, NE Peloponnese, Greece. The section is comprised of a ~200 m thick carbonate sedimentary succession, followed by a ~10 m of thin bedded siliceous deposits, capped by ~50 m of clastic sediments of the “schist-sandstone-chert” formation and finally overthrusted...
Article
Full-text available
Geological heritage or geoheritage refers to the total of geosites, i.e., areas of high geological interest in a given area. Geosites have a high potential of attracting geotourists, thus contributing to the development of the local economy. Assessing sites of geological interest can contribute to their promotion, as well as their preservation and...
Article
Full-text available
Akrotiri Salt Lake is located 5 km west of the city of Lemesos in the southernmost part of the island of Cyprus. The evolution of the Akrotiri Salt Lake is of great scientific interest, occurring during the Holocene when eustatic and isostatic movements combined with local active tectonics and climate change developed a unique geomorphological envi...
Article
Full-text available
Thorough faunal (benthic foraminifera, ostracods, molluscs) and palynomorph analyses as well as magnetic susceptibility measurements performed on the Piraeus coastal plain sedimentary sequences have shed light on the paleoenvironmental evolution of the area since ca. 9000 cal BP. Benthic and palynomorph assemblages along with magnetic susceptibilit...
Article
Full-text available
Coastal landscapes are sensitive to changes due to the interplay between surface and submarine geological processes, climate variability, and relative sea level fluctuations. The sedimentary archives of such marginal areas record in detail the complex evolution of the paleoenvironment and the diachronic biota response. The Elefsis Bay is nowadays a...
Research
Full-text available
Coastal landscapes are sensitive to changes due to the interplay between surface and submarine geological processes, climate variability and relative sea level fluctuations. The sedimentary archives of such marginal areas record in detail the complex evolution of the paleoenvironment and the diachronic biota response. The Elefsis Bay is nowadays a...
Research
Full-text available
Thorough analyses of benthic foraminifera, ostracods, molluscs, pollen and non-pollen palynomorphs as well as magnetic susceptibility measurements in the Piraeus coastal plain deposits shed light on the palaeoenvironmental evolution of the area during the Holocene. The main factors that feature the evolution of the Piraeus coastal landscape have be...
Article
he current study performs a detailed micropalaeontological analysis, in terms of ostracods, benthic foraminifera and calcareous nannoplankton, in order to reconstruct the palaeoenvironmental history of the sedimentary sequence exposed in the central part of Corinth Isthmus. Twenty one samples from two lateral sections were studied, on both sides of...
Conference Paper
Full-text available
15 th International Congress of the Geological Society of Greece Athens, 22-24 May, 2019 | Harokopio University of Athens, Greece Bulletin of the Geological Society of Greece, Sp. Pub. 7 Ext. Abs. GSG2019-358
Article
A 3 m thick carbonate sequence from northern Chios Island is assigned here to the latest Capitanian/earliest Wuchiapingian transitional interval. It is characterized by abundant gymnocodiacean algae, associated with some miliolate, nankinellin and nodosariate foraminifers. These strata display bioaccumulated perireefal microfacies with richthofenii...
Article
In the eastern Mediterranean, the island of Crete offers excellent exposures of upper Miocene marine deposits. Three detailed sections of the Tortonian/Messinian sedimentary succession were measured and sampled in three different basins (from west to east: Chania, Heraklion, and Sitia). The biostratigraphic analysis based on planktonic foraminifera...
Poster
Full-text available
Objectives: This study aims to reconstruct the Late Quaternary palaeoenvironmental and palaeoceanographic evolution of Saronikos Gulf (W-Central Aegean), by means of the benthic microfaunal (foraminifera and ostracods). Methods & Results: A 260-cm long sediment core (SAR 39) was recovered from Saronikos Gulf middle shelf, at 140m water depth. The m...
Article
In the present study, we investigate the Mediterranean–Paratethys connection during the late Miocene in Strymon Basin (North Aegean, northeastern Mediterranean) and compare this onshore sequence with the adjacent offshore Prinos-Nestos sequence, before, during, and after the Messinian Salinity Crisis (MSC). Strymon Basin was a peripheral shallow-wa...
Poster
Full-text available
This research aims to reconstruct the Late Quaternary paleoenvironmental evolution of Saronikos Gulf (W-central Aegean), by means of the benthic foraminiferal record. Saronikos Gulf is typical of many semi-enclosed marine areas in Mediterranean Sea. It is surrounded by the Athens metropolitan area, the Piraeus harbour, and the industrial zone of El...
Poster
Full-text available
This research aims to reconstruct the Late Quaternary paleoenvironmental evolution of Saronikos Gulf (W-central Aegean), by means of the benthic foraminiferal record. Saronikos Gulf is typical of many semi-enclosed marine areas in Mediterranean Sea. It is surrounded by the Athens metropolitan area, the Piraeus harbour, and the industrial zone of El...
Poster
Full-text available
The Saronikos Gulf is a semi-enclosed embayment situated in the west-central region of the Aegean Sea in the eastern Mediterranean, and covers a total surface area of 1,117 km2. It is a neotectonic basin, divided by a very shallow north–south-oriented platform into a western and an eastern part. The western basin has depths exceeding 400 m, the eas...
Article
Glacial activity affects landscape evolution in some parts of mountainous Greece. This paper deals with the southern part of Mount Olympus where the geomorphological impacts of Pleistocene glaciations are well presented. It is a preliminary study to demonstrate the landscape that has evolved as a result of glacial activity in these uplands. For thi...
Article
Full-text available
The purpose of this study is to collect micropalaeontological evidence concerning the palaeoenvironmental changes that took place at Southern Evoikos Gulf during the Holocene. Southern Evoikos Gulf is a shallow epicontinental basin, at the northern prolongation of the Cycladic Platform (Western Aegean Sea, Greece). The study area of the present res...
Conference Paper
Full-text available
The purpose of this study is to collect micropalaeontological evidence concerning the palaeoenvironmental changes that took place at Southern Evoikos Gulf during the Holocene. Southern Evoikos Gulf is a shallow epicontinental basin, at the northern prolongation of the Cycladic Platform (Western Aegean Sea, Greece). The study area of the present res...
Article
Full-text available
South Evoikos Gulf is an elongate, WNW - ESE trending basin, 60 km long and 15 km wide. Its floor slopes towards the south-east where the basin connects with the Aegean Sea across a 55 m deep sill. The hydrographic network of the area is characterized by Asopos river the small Lilas River and some other ephemeral streams. A sedimentary record spann...
Article
The present study provides a thorough analysis of the composition of recent marine ostracod populations from the bottom sediments of the central Aegean Sea, as well as their distribution patterns. In particular, a detailed qualitative and quantitative study of living ostracod assemblages was carried out in the marine environments of SE Andros Islan...
Article
Full-text available
Dispilio is a lakeside settlement by the Orestias Lake, Kastoria, northern Greece. The site was inhabited from the Middle Neolithic to the Chalcolithic, with some surface evidence of Bronze Age occupation. Microfacies analysis of the sediments, supported by a suite of environmental indices, has provided detailed paleoenvironmental data and elucidat...
Article
Full-text available
The purpose of this study is to describe the Miocene-Pliocene microfaunal development, and to discuss its palaeoenvironmental and palaeogeographical significance. The studied section (Kalamaki section) is located in the eastern part of Zakynthos Island (western Greece). Details on lithology and stratigraphy of the section are given in Dermitzakis (...
Article
Palamari Bay is located on the northeastern coast of Skyros Island (Sporades Islands, Aegean Sea). At the northern edge of the bay a fortified prehistoric settlement is found, dated between 2800 and 1700 BC (Early Bronze Age II–Middle Bronze Age I). Detailed geomorphological mapping of the coastal alluvial plain and paleontological, micropaleontolo...
Article
The coastal area of the Vravron Bay, in the vicinity of the homonym archaeological site, is a marshy plain located on the eastern part of the Attica Peninsula (eastern Greece). In order to provide evidence for palaeoenvironmental changes and landscape evolution of the area, detailed micropaleontological, palynological and sedimentological analyses...
Article
Within the framework of an ongoing scientific project undertaken in the area of Istron-Kalo Chorio, Gulf of Mirabello, eastern Crete, several geoarchaeological methods were employed, to provide information on the paleoenvironmental reconstruction and landscape evolution. The combination of detailed field-survey, geophysical prospection, archaeologi...
Article
The Vravron bay, in the vicinity of the homonym archaeological site is a marshy area located on the eastern coast of Attiki peninsula (eastern Greece). Vravron was inhabited already since the Early/ Middle Neolithic, although it's mainly known from the famous Archaic and Classical sanctuary of Vravronia Artemis. A sediment core from the marshy depo...
Article
The identification of Middle-Late Holocene palaeoenvironmental conditions of the Marathon coastal plain gained great interest in the last decades due to its high environmental and archaeological importance. Palynological analysis of samples from two boreholes and two trenches along a transect in the marshy area of the Marathon coastal plain, enable...
Article
The Istron area is located in northeastern Crete, Gulf of Mirabello, on an alluvial fan of Holocene age. The archaeological importance of this area is suggested not only by its archaeological remains, but also by its significant location. Many important Minoan sites, like Gournia, Kavousi, Pseira, have been discovered near Istro. There are indicati...
Article
The Palamari bay is located on the northeastern coast of Skyros island (Sporades islands, Aegean Sea). At the northern part of the bay a prehistoric archaeological site is dated between 2800 and 1700 Before Common Era (Early Bronze Age II–Middle Bronze Age I). Our paleoenvironmental reconstruction has combined coastal and submarine geomorphological...
Article
Full-text available
The Palamari bay is located on the northeastern coast of Skyros island (Sporades islands, Aegean Sea). At the northern part of the bay a prehistoric archaeological site is dated between 2800 and 1700 Before Common Era (Early Bronze Age II–Middle Bronze Age I). Our paleoenvironmental reconstruction has combined coastal and submarine geomorphological...
Article
The Middle-Late Holocene infill of the coastal plain of Marathon, Greece, consists of lagoonal deposits related to the decrease of the sea level rise rate. Between a little earlier than 5800 and 3500 Cal BP, mesohaline-oligohaline lagoonal carbonate muds were uninterruptedly accumulating in the central and more seaward areas of the embayment. At th...
Article
cologie des foraminifères et des ostracodes dans les environnements côtiers du sud-est de l'île d'Andros (mer Egée centrale, Grèce) Abstract A comparative study of recent epiphytal ostracod and benthic foraminiferal populations was conducted in August 2001, at two gulfs (Korthi and Kastro) located at the southeastern part of Andros Island (middle A...
Article
The present study, based mainly on the analysis of foraminifers and ostracodes, provides evidence of paleoenvironmen-tal changes on the coastal plain of Marathon (E. Greece) during the last 6.000 yrs. Three sedimentary units -lagoonal formations - were recognized and identified as A, B and C. They range in time between before 5500BP - 3500BP, 3500B...

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