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SUMMARY:Nature's way of slowing down ocean acidification
DTSTART:20260506T111500Z
DTEND:20260506T123000Z
DTSTAMP:20260512T214100Z
UID:indico-event-1067@events.geomar.de
CONTACT:office-fb2@geomar.de\;4445
DESCRIPTION:Speakers: Tianfei Xue (FB2-BM)\n\nAbstract:\nOcean acidificati
 on threatens marine ecosystems and is driven by multiple factors\, includi
 ng rising anthropogenic carbon (Cant)\, changes in natural carbon\, shifts
  in total alkalinity\, and variations in temperature and salinity that ari
 se under anthropogenic forcing. However\, past estimates of ocean acidific
 ation typically account only for increasing Cant\, implicitly assuming tha
 t changes in other drivers are negligible. Using a suite of Earth System M
 odel experiments\, we show that these other drivers have slowed global oce
 an acidification by about 20% since pre-industrial times\, equivalent to r
 oughly a decade of acidification at current rates. This slowdown is primar
 ily driven by acidification-driven alkalinity increases and climate-driven
  losses of natural carbon\, two anthropogenic-forcing-induced negative fee
 dbacks on ocean acidification. These feedbacks exhibit strong regional var
 iability: ocean acidification is slowed across many tropical and temperate
  regions but accelerated at high latitudes. This latitudinal pattern refle
 cts alkalinity changes linked to salinity shifts\, with additional modulat
 ion from climate-driven losses of natural carbon. Our projections indicate
  that these negative feedbacks will persist under continued anthropogenic 
 forcing and partially offset future ocean acidification.\nMeeting link:htt
 ps://geomar.webex.com/geomar/j.php?MTID=mf6b13ee3c306aa2453134001ba12a3d8\
 n\nhttps://events.geomar.de/event/1067/
LOCATION:5-1.213 - PAZIFIK / PACIFIC- Rechte Seite - Großer\, unterteilba
 rer Konferenzraum (GEOMAR - Standort Ostufer  / GEOMAR - East Shore)
URL:https://events.geomar.de/event/1067/
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