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Developing a Biotic River Typology and Defining Reference Conditions in the Rivers of Greece: a Spatially- Based Approach
Developing a biotic river typology and defining reference conditions in the rivers of Greece: a spatially- based approach A.N. Economou, S. Zogaris, S. Giakoumi, R. Barbieri & D. Petridis Abstract Developing a biotic river typology and reference conditions are vital components of ecological assessment using fish. In Greece, due to the absence of systematic monitoring data, fish sampling data from previous ichthyological surveys conducted primarily in the southern and western parts of the Hellenic Western Balkan ecoregion (Illies' ecoregion 6) were utilised. These surveys were undertaken for the purpose of fish conservation and were not designed with the prospect of ecological assessments. As a consequence, the sampling methodologies, the site selection criteria, the analytical procedures and the recorded parameters were not in line with the requirements of the WFD. A brief synopsis of the main environmental features of the Greek rivers which indicate a remarkable environmental heterogeneity is presented. Greece is a geographically fragmented mountainous country with a large number of medium and small sized rivers. Most rivers run through narrow mountain valleys that descend abruptly to the coast. Usually a mountain river becomes a lowland river very near its estuary. As a result many small and medium sized rivers have a flashy and erosive behavior and suffer from the lack of lowland riverine habitat. Lowland rivers are usually small; large floodplain rivers are very few, almost wholly restricted to northern Greece. Precipitation is irregularly distributed and hydrology varies remarkably among basins. Semi-arid regions and areas with seasonally arid conditions exist in parts of the south and southeast where localized karstic springs play an important role in enabling perennial water flows. -
Back Matter (PDF)
Index Page numbers in italics refer to Figures. Page numbers in bold refer to Tables. Acidere Formation 205 Catalina-Rincon Mountains Permo-Triassic evolution 36 Acigo¨l Fault 199 (Arizona, USA) 4 magmatism 39–44 acoustic fluidization 17 Central Anatolide Crystalline Complex metamorphism 36–39 Aegean extensional province 198 sedimentary basins and tectonic map 198 Central Finland Granitoid Complex 229 volcanics 44–47 tectonic setting 197–198, 200 crust detail 242, 245, 246 map 35 Aegean Sea structure interpretation 237, 238 numerical analysis of geological geodynamics 181–183 Central Volcanic Region (New Zealand) evolution geological map 140 74, 79, 81–83 model set-up 47–49 tectonic map 170, 181 chlorite, and fault strength 15 thermomechanics 50–52 Agridi Fault 126, 127, 129, 130, 131 clays, reactions and fault strength 15 numerical and natural data compared Akrata Fault 129 Coastal Fault System 141, 144, 145 52–53 Alasehir detachment 199, 205 collisional modelling 225–226 magmatism 58–64 Alasehir graben 215, 217 continental back-arc systems 73 metamorphism 53–58 Alasehir granitoid 199, 202 conceptual model 74 sedimentary basins and Alpine orogeny 34–36 studies in New Zealand, extension in volcanics 64 Amonton’s Law 11–12, 17 relation to local variables Evciler granitoid 199 Amorgos detachment crustal structure 78–81 Evia 140, 141 geological setting 171–173 extension and arc migration 78 exhumation, factors affecting 179 map 170 extension–rotation relations 78 extension timing of detachment geodetic strain estimates 76–77 and isostasy -
Structural Cross Sections Through the Corinth-Patras Detachment Fault-System in Northern Peloponnesus (Aegean Arc, Greece) N
Δελτίο της Ελληνικής Γεωλογικής Εταιρίας, Τομ. XXXIV/1, 235-241, 2001 Bulletin of the Geological Society of Greece, Vol. XXXIV/1, 235-241, 2001 Πρακτικά 9ου Διεθνούς Συνεδρίου, Αθήνα, Σεπτέμβριος 2001 Proceedings of the 9th International Congress, Athens, September 2001 STRUCTURAL CROSS SECTIONS THROUGH THE CORINTH-PATRAS DETACHMENT FAULT-SYSTEM IN NORTHERN PELOPONNESUS (AEGEAN ARC, GREECE) N. FLOTTÉ1 & D. SOREL1 ABSTRACT Structural mapping in northern Peloponnesus reveals the emergence of an E-W striking, more than 70km long, low angle detachment fault dipping to the north beneath the Gulf of Corinth. This paper describes four north-south structural cross-sections in northern Peloponnesus. Structural and sedimentological field observa tions show that in the studied area the normal faults of northern Peloponnesus branch at depth on this major low angle north-dipping brittle detachment. The southern part of the detachment and the related normal faults are now inactive. To the north, the active Helike and Aigion normal faults are connected at depth with the seismically active northern part of the detachment beneath the Gulf of Corinth. KEY WORDS: rifting, Corinth Gulf, Peloponnesus, detachment normal fault, Pleistocene INTRODUCTION : GEODYNAMIC SETTING AND STRUCTURAL FRAME Some 130 km long and 5 to 20 km wide, the Corinth-Patras rift is the major active transverse structure of the Aegean Arc (Fig. 1). Fault kinematics (Sibrier, 1977), earthquakes focal mechanisms (e.g. Hatzfeld et al, 1996), and satellite geodesy (Clarke et al, 1998) indicate a N0° to 20°E direction of extension. The extension rate increases toward the west (Le Pichon et al., 1994; Clarke et al., 1998): from 0.5cm/yr near Corinth, it reaches 1.5cm/yr near Aigion. -
Download the Course Outline
Competence Level: N144: Rift Systems, Faulting and 5 Days Skilled Fault-Controlled Sedimentary Architecture: Gulf of Corinth Field Course (Greece) Classroom Elements Instructor(s): Mary Ford and Ed Williams Low Physical Demand Summary This course evaluates rift stratigraphy and structure, the geometry and kinematics of a normal fault network and the facies of selected Gilbert-type fan deltas. Participants will examine fluvial successions, fan deltas and turbidites deposited in an active rift; the controlling factors in delta construction and distribution; geometry, connectivity and growth of a normal fault network; the interaction of surface processes and tectonics in active rifts. This course will primarily be of use in exploration but is also applicable to reservoirs and oil fields in extensional settings during appraisal, development and production. Learning Outcomes Participants will learn to: 1. Assess the tectonic setting and evolution of the Corinth Rift; evaluate the rapidity and scale of the rifting processes compared with other rift systems. 2. Evaluate the geometry, kinematics and evolution of a normal fault system. 3. Understand the evolution of rift stratigraphic architecture in time and space. 4. Assess geometry and sediment infill of an individual fault block. 5. Construct a cross-section through part of the rift. Calculate the heave and throw of faults, individually and cumulatively. 6. Compare and contrast fault block stratal and structural geometries, including syn-sedimentary block tilting and folding. 7. Evaluate the role of inherited palaeotopography in rift basins. 8. Examine a detailed case history of relay ramp evolution and assess its influence on sedimentary input and the location of deltas. -
Rifting and Shallow-Dipping Detachments, Clues from the Corinth
Rifting and shallow-dipping detachments, clues from the Corinth Rift and the Aegean Laurent Jolivet, Loic Labrousse, Philippe Agard, Olivier Lacombe, Vivien Bailly, Emmanuel Lecomte, Frédéric Mouthereau, Caroline Mehl To cite this version: Laurent Jolivet, Loic Labrousse, Philippe Agard, Olivier Lacombe, Vivien Bailly, et al.. Rifting and shallow-dipping detachments, clues from the Corinth Rift and the Aegean. Tectonophysics, Elsevier, 2010, 483 (3-4), pp.287-304. 10.1016/j.tecto.2009.11.001. insu-00448474 HAL Id: insu-00448474 https://hal-insu.archives-ouvertes.fr/insu-00448474 Submitted on 19 Jan 2010 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. 1 Rifting and shallow-dipping detachments, clues from the Corinth Rift and the Aegean Laurent Jolivet 1,2, Loïc Labrousse 1, Philippe Agard 1, Olivier Lacombe 1, Vivien Bailly 1, Emmanuel Lecomte 1, Frédéric Mouthereau 1, Caroline Mehl 3 1 ISTEP, UPMC-Paris6, UMR 7193, T 46-00 E1, 4 Place Jussieu, 75252 Paris cedex 05 2 Now at: ISTO, UMR 6113, Université d'Orléans 1A, Rue de la Férollerie, 45071 Orléans Cedex 2, France 3 Ecole des Mines de Paris, Centre de Géosciences, 35 rue Saint Honoré, 77300 Fontainebleau France Keywords: Aegean, Corinth, rifting, post-orogenic extension, detachment, Phyllite-Quartzite Abstract : The Corinth Rift is superimposed on the Hellenic nappe stack that formed at the expense of the Apulian continental crust above the subducting African slab. -
The Structures, Stratigraphy and Evolution of the Gulf of Corinth Rift, Greece Brian Taylor, Jonathan R
The structures, stratigraphy and evolution of the Gulf of Corinth rift, Greece Brian Taylor, Jonathan R. Weiss, Andrew M. Goodliffe, Maria Sachpazi, Mireille Laigle, Alfred Hirn To cite this version: Brian Taylor, Jonathan R. Weiss, Andrew M. Goodliffe, Maria Sachpazi, Mireille Laigle, et al.. The structures, stratigraphy and evolution of the Gulf of Corinth rift, Greece. Geophysical Jour- nal International, Oxford University Press (OUP), 2011, 185 (3), pp.1189 - 1219. 10.1111/j.1365- 246X.2011.05014.x. hal-01399970 HAL Id: hal-01399970 https://hal.archives-ouvertes.fr/hal-01399970 Submitted on 21 Nov 2016 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Geophysical Journal International Geophys. J. Int. (2011) 185, 1189–1219 doi: 10.1111/j.1365-246X.2011.05014.x The structures, stratigraphy and evolution of the Gulf of Corinth rift, Greece Brian Taylor,1 Jonathan R. Weiss,1 Andrew M. Goodliffe,2 Maria Sachpazi,3 Mireille Laigle4 and Alfred Hirn4 1Department of Geology and Geophysics, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, HI, USA. E-mail: [email protected] 2Department of Geological Sciences, The University of Alabama, Tuscaloosa, AL, USA 3Geodynamic Institute, National Observatory of Athens, Athens, Greece 4Laboratoire de Sismologie Experimentale,´ Departement´ de Sismologie, Institut de Physique du Globe de Paris, Paris, France Accepted 2011 March 8. -
Back Matter (PDF)
Index Page numbers in italics refer to Figures. Page numbers in bold refer to Tables. accommodation zones 220 Basin and Range, rift displacement–strain rate 242 Aegean Sea 133 basin-bounding fault reactivation in Porcupine Basin rift displacement–strain rate 242 511, 512 Aegean tectonic domain 133 Beatrice Field see Inner Moray Firth Basin, fault study Aeges Formation 141 Benin Formation 170 Aegion Fault 134, 143, 148 Bergen Arcs Shear Zone 467, 469 Agbadi Formation 170 bimodal faults 20, 20 Aiges Formation 141, 142 Biscay, Bay of, Parentis Basin, extension and inversion Akata Formation 170 501–505 Alkyonides Gulf 133, 135 blind faults 189 Almannagja Fault Zone 51 Border Fault System 112, 113, 115 alternative (coherent) model 3 Bornholm, Robbedale Formation fault study 252–253, Amfithea Formation 141 254, 255, 265 analogue modelling boundary conditions, influence of 5 clay modelling, fault-segment boundary types boundary faults, Thailand 418–419 methods branch lines choice of materials 82–83 conservative fault junction 19 model analysis 83–85 defined 11 model design 83 geometry 11 results Gulf of Mexico, 3D mapping 13–14 structure and scaling 85–91 Gullfaks field 14–16 summary 92, 93, 94, 95, 96 mapping 11–13 temporal and spatial evolution 97–100 orientation 19–20, 20 results discussed relation to slip direction 20, 20 breached-segment boundary types 102–103 Troll Field 16–17 overlap and spacing 101–102 branch points 11 segment boundary evolution 100–101 Brazil see Santos Basin summary of results 103 breached segment boundary 80, 97, 102