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Happy Golden Anniversary SCOR! From…. Trace element cycles in a changing world Gideon Henderson Bob Anderson. Iron measurements. <-- Before 2003. What we can do now -->. GEOTRACES - A trace element timeslice. Trace elements in a changing ocean. Monitoring / time-series / sensors
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Happy Golden Anniversary SCOR! From… Trace element cycles in a changing world Gideon Henderson Bob Anderson
Iron measurements <-- Before 2003 What we can do now -->
Trace elements in a changing ocean Monitoring / time-series / sensors Accidental change (e.g. ocean acidification) Intentional change (e.g. geoengineering) Timeline
Variable chemical inputs Timeline
Arctic Transect F/Can F USA USA/D/Mex F/Es/It UK USA Nl UK/D/Es D UK Antarctic Transect MonitoringLinking to existing time-series (including GOOS)And to SCOR programmes - SOLAS, IMBER
Trace elements in a changing ocean Monitoring / time-series / sensors Accidental change (e.g. ocean acidification) Intentional change (e.g. geoengineering) Timeline
Ocean acidification Big uncertainties are biological 0.3 pH unit decrease Leads to 50% decrease in [OH-] Links to IMBER and SOLAS Mission
Trace elements in a changing ocean Monitoring / time-series / sensors Accidental change (e.g. ocean acidification) Intentional change (e.g. geoengineering) Timeline
Geoengineering Mission
Trace elements in a changing ocean Monitoring / time-series / sensors Accidental change (e.g. ocean acidification) Intentional change (e.g. geoengineering) Measure, understand and predict trace element cycles in a changing ocean Links to other programmes / WGs: GOOS, IMBER, SOLAS, WG129, WG131… Timeline