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Actualités et séminaires

  • 12 mai Séminaire
    Maar lakes as observatories of climate-groundwater-anthropic interactions in Central Mexico

    Groundwater and surface water are a single complex and interacting system depending on geological, climatic, and hydrological factors, among others. In the context of global change, anthropic activities are an additional forcing in the groundwater-surface water interaction (GW-SW-I) systems, which may impact water quality, quantity, and ecosystems health. A commonly impacted variable in lakes is water level. Several lakes worldwide have shown water level decline trends and total desiccation in recent decades, particularly in arid regions.

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  • 11 mai Séminaire
    Novel machine learning methodologies to unpack the complexity of longitudinal movement patterns of facultative amphidromous fish

    Rodrigo Ramírez‑Álvarez, Sergio Contreras, Aurélien Vivancos, Malcolm Reid, Ruby López‑Rodríguez & Konrad Górski

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  • 21 avr Séminaire
    Sedimentary leaf waxes as molecular tools to reconstruct hydroclimate/vegetation in southern South America: step by step, from lake core tops to downcore records

    The abundant precipitation of westerly origin controls the climate on the western side of the Andes Mountains with non-seasonal rainfall (i.e., year-round) from 55° to 42°S and seasonal rainfall pattern from 42°S to 30°S, associated with a seasonal drought at latitudes <42°S. As a result, the vegetation change (ca. 42°S) from Temperate and Valdivian Rain Forest to North Patagonian Evergreen Forest, a vegetation change characterized by a gradual decrease in diversity attributed to lower temperatures as well as changes in precipitation.

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  • 31 mar Séminaire
    Unravelling changes in global freshwater nitrogen cycling in the Anthropocene

    Inland waters play an important role in global nitrogen (N) cycling and transport substantial N from land to sea. However, it remains unclear whether, when and why freshwater biogeochemical N cycling has changed in response to human activities, climate change, and other environmental conditions.

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  • 29 mar Actualité
    Soutenance de thèse de Thibault Lemaitre-Basset

    Titre : Importance de la demande en eau atmosphérique et anthropique en contexte de changement climatique sur la durabilité de la gestion de la ressource - Cas d'étude du bassin versant de la Moselle en France

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