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  • 1
    Publication Date: 2021-06-25
    Description: The GROSMARIN (which stands for GrandROSMARIN) cruise is proposed by UMR Géosciences Azur (with fellow french and italian research groups). Its goals are to better characterize active structures along this zone and to assess the resulting seismic hazard in a sort of continuation with respect to the MALISAR experiment, which has already surveyed some active structures through shallow observations. The GROSMARIN cruise is in fact the necessary counterpart to characterize them at depth.
    Description: Published
    Description: Palazzo Congressi della Stazione Marittima, Trieste, Italy
    Description: open
    Keywords: Ligurian Sea ; Tomography ; Active seismology ; Seismicity ; 04. Solid Earth::04.06. Seismology::04.06.06. Surveys, measurements, and monitoring
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Conference paper
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  • 2
    Publication Date: 2022-06-28
    Description: Las señales climáticas preservadas en las bandas de crecimiento del esqueleto de corales masivos ofrecen una perspectiva a largo plazo que permite comprender los cambios de la temperatura superficial del mar a diferentes escalas de tiempo. En el área del mar Caribe y el Golfo de México, especies de corales como Orbicella faveolata, en aguas someras, presentan formas de crecimiento masivo que facilitan el fechado de su esqueleto, lo que ha permitido la realización de estudios paleoambientales en zonas costeras donde los registros instrumentales son escasos y abarcan cortos periodos de tiempo. El propósito de este estudio fue caracterizar los registros geoquímicos en el esqueleto de un coral herma- típico O. faveolata, recolectado en el arrecife de Cayo Santa María, Cuba, y reconstruir la temperatura superficial del mar (TSM), con resolución anual, para los dos últimos siglos. Se obtuvieron registros de 230 años de Li/Ca, Sr/Ca, Mg/Ca, U/Ca, Li/Mg y Sr-U. De los indicadores geoquímicos analizados, el Li/Ca permitió la reconstrucción de la TSM para el área de estudio e indicó un incremento de 0.77 °C en los últimos 50 años. Ade- más, Li/Ca corroboró con buena exactitud los periodos característicos de calentamiento y enfriamiento reportados para el mar Caribe y el Golfo de México desde 1778. Orbicella faveolata demostró contener un buen registro multidecadal de la temperatura anual y de la Variabilidad Multidecadal Atlántica. Los resultados son la primera reconstrucción a largo plazo de la TSM en la zona costera de Cuba y brindan información relevante para comprender el calentamiento global en la región.
    Description: Climatic signals preserved in the skeletal growth bands of massive corals offer a long-term perspective that allows understanding sea surface temperature changes at different time scales. In the Caribbean Sea and the Gulf of Mexico, coral species such as Orbicella faveolata present massive growth forms in shallow waters that facilitate dating of their skeleton, allowing to perform paleoenvironmental studies in coastal areas where instrumental records are scarce and cover short time periods. This study aimed to characterize coral geochem- ical records in the skeleton of a hermatypic coral O. faveolata collected in the Cayo Santa María (Cuba) reef and to reconstruct seawater surface annual temperatures for the last two centuries. Records of 230 years for Li/Ca, Sr/Ca, Mg/Ca, U/ Ca, Li/Mg, and Sr-U were obtained. The Li/Ca indicator al- lowed the reconstruction of SST in the study area from 1778 to 2015, indicating an overall increase of 0.77 °C in the last 50 years. In addition, Li/Ca corroborated with high accuracy the characteristic warming and cooling periods reported for the Caribbean Sea and the Gulf of Mexico since 1778. Orbicella faveolata proved to contain a good multidecadal record of annual temperature and of the Atlantic Multidecadal Variability. These results are the first long-term reconstruction of SST in the Cuban coastal zone and provide relevant information to understand global warming in the Caribbean.
    Description: Published
    Description: Refereed
    Keywords: Orbicella faveolata ; Temperatura superficial del mar ; Li/Ca ; Reconstrucción paleoclimática ; Seawater temperature ; Li/ Ca proxy ; Climate archives ; Paleoclimate reconstruction
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp.37-53
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