Active faulting at the western tip of the Gulf of Corinth, Greece, from high-resolution seismic data

peer reviewedThe Gulf of Corinth is one of the fastest-spreading intra-continental rifts on Earth. GPS data indicate that the rift is currently opening in a NNE-SSW direction, with a rate of extension reaching up to 16 mm yr-1 in its westernmost part. Although the rest of the offshore rift has been well studied, the western tip of the rift is still poorly explored. We present an accurate map of submarine faults in this area based on two high-resolution seismic reflection surveys (single channel sparker). In the eastern part of the studied area, the sedimentary infill is affected by the known North Eratini, South Eratini and West Channel faults. Further to the west, the seafloor is mostly flat, and is bounded to the north by the normal, south-dipping, Trizonia fault. To the north, the shallower part of the Gulf shows to the east a diffuse pattern of normal and strike-slip deformation which is replaced to the west by a 7.5 km long SE striking strike-slip fault zone, called the Managouli fault zone. To the westernmost tip of the Gulf, in the Nafpaktos Basin, two fault sets with different strikes are encountered; the one with aNE-SW strike exhibits a clear strike-slip component. The western tip of the Gulf of Corinth is the only part of the Corinth Rift where convincing evidence for strike-slip movement has been found. This fault pattern is likely related to the complex deformation occurring at the diffuse junction at the western tip of the Rift between three crustal blocks: Continental Greece, Peloponnese, and the Ionian Island-Akarnia block

Particle swarm optimization with sequential niche technique for dynamic finite element model updating

Peer reviewedPostprin

H. Eckert. Avoir vingt ans à l’usine

On pouvait parler, jusque dans les années 70-80, d’une « classe ouvrière », de par ses conditions sociales d’existence, ses pratiques culturelles, ses opinions, croyances, valeurs. Sans avoir recours aux sociologues, la « classe ouvrière » était bel et bien visible sur la place publique : cité ouvrière autour des usines, associations, parti politique représentatif, syndicat, luttes collectives ayant aboutit à de nombreux acquis en droit du travail... Qu’en est-il de nos jours ? La « classe ou..

Impacts of aggregated retention harvesting on the diversity patterns of nocturnal moth species assemblages in the mixedwood boreal forest of northwestern Alberta

The loss of mature forest habitat from forest harvesting represents a substantial threat to the diversity of nocturnal boreal forest moth assemblages. In this study, I used spatial patterns of species diversity to quantify the effects of aggregated green tree retention harvesting on the diversity and composition of nocturnal forest moths. Ultra-violet light traps were used to sample moths in a 400 ha of intact boreal forest and a similar sized area of harvested boreal forest in northwestern Alberta, Canada. The results showed that the harvested forest supported a significantly lower number of moth species and limited the distribution of the moth species possessing relatively narrow diet breadths. Although relatively large patches of aggregated green tree retention supported diverse moth assemblages similar in composition to those present in undisturbed boreal forest, the substantial loss of mature forest habitat caused by forest harvesting substantially reduced the overall moth species richness

La collaboration en traduction : objectifs et mode d’emploi

Si nombre de traducteurs travaillent seuls, un tel isolement n’est pas forcément propice à leur épanouissement professionnel. La mise en place d’un partenariat commercial entre traducteurs peut receler de multiples avantages, dont l’amélioration de la qualité des travaux, la possibilité d’approcher des clients à la recherche de traductions immédiatement publiables et une satisfaction professionnelle accrue. La collaboration régulière peut également accroître la productivité en facilitant l’ac..

PID Evaluation of Transparent Backsheet Modules

This Work Deals with the Robustness of Transparent Backsheet Modules using Coating/PET/PVF (TPC) Polymer Layers when Exposed to an Extended Potential Induced Degradation (PID) Stress based on IEC 61215. Results show a Significant Power Decrease on the Front Side after 576h of Testing for Negative Voltage with Three Time more Impact at the Rear Side Despite the Absence of Glass. PID is Confirmed with Electroluminescence (EL) and Photoluminescence (PL). Measurements Showing the Appearance of Dark Areas on Several Cells and an Inhomogeneous Signal all Along the Module with “Light trails”. Moreover, Transmission Electron Microscopy Measurement Points out Sodium Presence at Both Cell Interface Despite POE Encapsulant and the Absence of Glass at the Rear Side. Two Types of PID Seem to be Present: Low Light Current-Voltage Measurements Suggest the Presence of PID-Potential at the Rear Side of the Cells And the Dark Area Could Be linked To PID-Corrosion Effect as Depassivation is observed with EL and PL

A gas-templating strategy to synthesize CZTS nanocrystals for environment-friendly solar inks

A high-temperature gas-templating strategy is proposed to synthesize Cu2ZnSnS4 (CZTS) nanocrystals for all-aqueous solar inks. Our gas templating process route involves the in-situ generation and stabilization of nanosized gas bubbles into a molten KSCN-based reaction mixture at 400 °C. Chemical insights of the templating gas process are provided such as the simultaneous formation of gas bubbles and CZTS nuclei highlighting the crucial role of the nucleation stage on the sponge and resulting nanocrystals properties. The high porosity displayed by the resulting CZTS nanocrystals facilitates their further post-fragmentation, yielding individualized nanocrystals. The advantages of our high temperature gas templating route are illustrated by the following: (i) the low defect concentration displayed by the highly crystalline nanocrystals, (ii) the synthesis of CZTS nanocrystals displaying S2− polar surfaces after ligand exchange. The good photoluminescence properties recorded on the pure CZTS nanocrystals reveal potential for exploration of new complex chalcogenide nanocrystals useful for various applications including photovoltaics and water splitting. Here we demonstrate that using these building blocks, a CZTS solar cell can be successfully fabricated from an environment-friendly all-aqueous ink