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  • 1
    Publication Date: 2011-06-10
    Description: The late Holocene activity of a restraining bend of the northern strand of the North Anatolian Fault in Izmit Bay was investigated by a sedimentological, geochemical, and paleoecological analysis of sediment cores from Hersek coastal lagoon, NW Turkey. The sediment cores show a succession of sedimentary sequences composed of three units separated by gradual transitions. The first unit is composed of a thin layer of shell debris-rich sediment in abrupt contact with the underlying organic-rich deposits. This unit is overlain by a thick foraminifera-rich mud deposit, and the sequences are capped by an organic-rich mud unit. These sequences are interpreted as silting up, shallowing upward deposits, typical of a lagoon becoming isolated from the sea. We suggest that they represent the sedimentary signature of coseismic subsidence, which was caused by reverse slip at the Hersek bend, and tsunamis in Izmit Bay. Our radiocarbon-dated paleoseismological record indicates (1) the atypical collapse of the hanging wall during the 740 earthquake and (2) subsidence of the footwall during the 987, 1509, and 1719 earthquakes. This study contributes to the understanding of the dynamics of restraining bends, and it highlights the potential of coastal sediments for reconstructing past earthquakes and tsunamis in regions dominated by strike-slip deformations.
    Electronic ISSN: 1525-2027
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 2
    Publication Date: 2024-04-14
    Description: Today, urban agriculture appears to be a lever for the ecological transition of cities and a tool for education in sustainable food. Many urban development actors are setting up projects on their territories: collective gardens, eco-grazing, participative micro-farms, mushroom beds, beehives, etc. However, the implementation of this type of project raises many questions about their relevance and feasibility in the areas concerned. What are the expectations of the different actors and inhabitants? What types of project can be implemented? What surface area is necessary? How to set up a shared garden or a micro-farm? This guide proposes a methodology based on the experience of the Exp'AU research office (Expertises en agricultures urbaines, under the aegis of AgroParisTech Innovation), which since 2015 has been carrying out missions to support local actors in setting up urban agriculture projects. The proposed methodological itinerary is structured in three steps and guides the user step by step in his approach, even without specific knowledge related to this field. This book is intended for owners and managers of urban land (local authorities, landlords, developers, planners) who wish to set up urban agriculture projects, whether commercial (urban farms, eco-grazing) or non-commercial (shared gardens, chicken coops, etc).
    Keywords: agriculture ; decision support ; planning ; land use ; biodiversity ; technical advice ; sustainable development ; ecology ; land ; garden ; public policy ; regulation ; soil ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVF Sustainable agriculture
    Language: French
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