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SUMMARY:MASTS Open Forum Session "Microplastics & Marine Carbon Dioxide"
DESCRIPTION:The MASTS Deep Sea Forum is excited to host a free Open Forum Session. The session will include 2 talks and take place on the 23rd October\, 1 – 2 pm via Zoom. \nA Recording of this Session is Available Here!\n~ \nCredit: R. Brackenridge\nThe deposition of microplastics in the deep ocean.\nSpeaker: Dr Rachel Brackenridge\, Senior Lecturer at the University of Aberdeen \nA significant portion of the global marine plastic budget is unaccounted for in known surface waste patches. It is therefore thought that large volumes of waste are accumulating in the deep ocean. However\, little is known of the source to sink cycle of plastics in the environment\, particularly in deep marine settings. Recent research has shown that sediments deposited by deep ocean currents (named contourites) are potential hot spots for deposition and it is now hypothesised that these contourite sediment drifts are the ultimate sink of microplastics (MP) in the ocean. However\, acquiring data from deep marine settings to quantify this is difficult and costly. This study aimed to test if legacy samples can be used to understand microplastic distribution in these settings. \n~ \nMarine Carbon Dioxide Removal\, the new (old) challenges.\nSpeaker: Dr Marta Maria Cecchetto\, Postdoc at Heriot-Watt University \nMarine Carbon Dioxide Removal (mCDR) is being explored as a potential approach to mitigate climate change by leveraging the ocean’s ability to absorb and store CO2. This presentation critically examines various mCDR methods\, including ocean alkalinity enhancement\, seaweed cultivation\, and deep-sea carbon storage. While these techniques offer promise in reducing atmospheric CO2 levels\, significant uncertainties remain regarding their scalability\, environmental risks\, and long-term effectiveness. By evaluating the current state of research and technology\, this talk aims to foster a balanced discussion on the potential role of mCDR in global climate strategies. \nImage Header: Unsplash
URL:https://masts.ac.uk/event/masts-open-forum-session-microplastics-marine-carbon-dioxide/
CATEGORIES:Open Forum Sessions
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ORGANIZER;CN="MASTS":MAILTO:info@masts.ac.uk
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