Listar por tema "Holocene"

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  • Dynamics of floodplain lakes in the Upper Amazon Basin during the late Holocene 
    Quintana-Cobo, Isabel; Moreira-Turcq, Patricia; Cordeiro, Renato C.; Aniceto, Keila; Crave, Alain; Fraizy, Pascal; Moreira, Luciane S.; de Aguiar Duarte Contrera, Julia Maria; Turcq, Bruno (Elsevier, 2018)
    To better understand the impact of channel migration processes and climate change on the depositional dynamics of floodplain lakes of the upper Amazon Basin during the late Holocene, we collected three sediment cores from ...
  • Early Holocene greening of the Sahara requires Mediterranean winter rainfall 
    Cheddadi, Rachid; Carré, Matthieu; Nourelbait, Majda; François, Louis; Rhoujjati, Ali; Manay, Roger; Ochoa, Diana; Schefuß, Enno (National Academy of Sciences, 2021)
    The greening of the Sahara, associated with the African Humid Period (AHP) between ca. 14,500 and 5,000 y ago, is arguably the largest climate-induced environmental change in the Holocene; it is usually explained by the ...
  • Forest stability during the early and late Holocene in the igapó floodplains of the Rio Negro, northwestern Brazil 
    Rodriguez-Zorro, Paula A.; Turcq, Bruno; Cordeiro, Renato C.; Moreira, Luciane S.; Costa, Renata L.; McMichael, Crystal H.; Behling, Hermann (Cambridge University Press, 2018)
    Located at the northwestern part of the Amazon basin, Rio Negro is the largest black-water river in the world and is one of the poorest studied regions of the Amazon lowlands. In the middle-upper part of the Rio Negro were ...
  • High-resolution marine data and transient simulations support orbital forcing of ENSO amplitude since the mid-Holocene 
    Carré, Matthieu; Braconnot, Pascale; Elliot, Mary; d'Agostino, Roberta; Schurer, Andrew; Shi, Xiaoxu; Marti, Oliver; Lohmann, Gerrit; Jungclaus, Johann; Cheddadi, Rachid; Abdelkader-di Carlo, Isma; Cardich Salazar, Jorge Aquiles; Ochoa, Diana; Salas-Gismondi, Rodolfo; Pérez, Alexander; Romero, Pedro E.; Turcq, Bruno; Corrège, Thierry; Harrison, Sandy P. (Elsevier, 2021)
    Lack of constraint on spatial and long-term temporal variability of the El Niño southern Oscillation (ENSO) and its sensitivity to external forcing limit our ability to evaluate climate models and ENSO future projections. ...
  • Holocene paleohydrology of Quistococha Lake (Peru) in the upper Amazon Basin: Influence on carbon accumulation 
    Aniceto, Keila; Moreira-Turcq, Patricia; Cordeiro, Renato C.; Fraizy, Pascal; Quintana, Isabel; Turcq, Bruno (Elsevier, 2014)
    In order to study the impact of hydrological changes of the Amazon River on sedimentation process and organic matter (OM) accumulation, in an Amazonian floodplain lake during the Holocene, three sediment cores were collected ...
  • Late Holocene fluctuations of Quelccaya Ice Cap, Peru, registered by nearby lake sediments 
    Stroup, J.S.; Kelly, M.A.; Lowell, T.V.; Smith, C.A.; Beal, S.A.; Landis, J.D.; Tapia, P.M. (Wiley, 2015)
    Records of clastic sediment from lakes that receive glacial meltwater provide a means for inferring past glacial fluctuations. However, increased clastic sedimentation has been interpreted to indicate both glacial advance ...
  • Microrefugia, climate change, and conservation of Cedrus atlantica in the Rif Mountains, Morocco 
    Cheddadi, R.; Henrot, A. J.; François, L.; Boyer, F.; Bush, M.; Carré, Matthieu; Coissac, E.; De-Oliveira, P. E.; Ficetola, F.; Hambuckers, A.; Huang, K.; Lézine, A. M.; Nourelbait, M.; Rhoujjati, A.; Taberlet, P.; Sarmiento, F.; Abel-Schaad, D.; Alba-Sánchez, F.; Zheng, Z. (Frontiers Media, 2017)
    This study reconstructs and interprets the changing range of Atlas cedar in northern Morocco over the last 9,000 years. A synthesis of fossil pollen records indicated that Atlas cedars occupied a wider range at lower ...
  • Natural and anthropogenic variations in atmospheric mercury deposition during the Holocene near Quelccaya Ice Cap, Peru 
    Beal, Samuel A.; Kelly, Meredith A.; Stroup, Justin S.; Jackson, Brian P.; Lowell, Thomas V.; Tapia, Pedro M. (Wiley, 2014)
    Mercury (Hg) is a toxic metal that is transported globally through the atmosphere. Emissions of Hg from mineral reservoirs and recycling between soil/biomass, oceans, and the atmosphere are fundamental to the global Hg ...

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