Information - OS15 Fate of riverine matter in marine environments: pathways, feedbacks, characterization and quantification (co-listed in BG)
Continental margins are dynamic regions where most of riverine particulate matter is deposited. Rivers associated deltaic environments provide the major pathways for the input of terrestrial matter to marine environments. Processes implied in riverine matter transfer on continental margins are various: floods, storms and wave related resuspension, up and downwellings, cascading, eddies, internal waves etc. The transfer pathways are hence complex and highly variable and the identification of the source of both organic and inorganic material is therefore extremely difficult. Modelling the exchanges of particulate matter between the coastal zone and the open ocean represents an essential step in the evaluation of the role of the ocean in the global carbon cycle as well as in the prediction of the climate change due to man use. To be effective, modelling requires a robust knowledge of the different sources of matter as well as of the transfer mechanisms to the open ocean and the recycling of organic matter. Such approach necessitates a good understanding of the hydrology and the different forcing mechanisms as well as a detailed quantitative and qualitative characterization of terrestrial and marine inputs. We invite contributions related to 1) integrated geochemical approaches combining techniques from marine and terrestrial sciences, 2) novel proxies for terrestrial carbon, 3) river-atmosphere gas exchange, 4) timescales of terrestrial carbon cycling and export and 5) modelling of pathways and transformation processes of terrestrial carbon from source to sink
Preliminary List of Solicited Speakers
Associate Professor of Geology
University of California
Riverside, CA 92521
(951) 827-2025 (Voice)
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