Trace element cycles in a changing world Gideon Henderson Bob Anderson - PowerPoint PPT Presentation

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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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Trace element cycles in a changing world Gideon Henderson Bob Anderson

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Happy Golden Anniversary SCOR!

From…

Trace element cycles in a changing world

Gideon Henderson

Bob Anderson


Iron measurements l.jpg

Iron measurements

<-- Before 2003

What we can

do now -->


Geotraces a trace element timeslice l.jpg

GEOTRACES - A trace element timeslice


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Trace elements in a changing ocean

Monitoring / time-series / sensors

Accidental change (e.g. ocean acidification)

Intentional change (e.g. geoengineering)

Timeline


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Variable chemical inputs

Timeline


Monitoring linking to existing time series including goos and to scor programmes solas imber l.jpg

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


Timeline7 l.jpg

Trace elements in a changing ocean

Monitoring / time-series / sensors

Accidental change (e.g. ocean acidification)

Intentional change (e.g. geoengineering)

Timeline


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Ocean acidification

Big uncertainties are biological

0.3 pH unit decrease

Leads to 50% decrease in [OH-]

Links to IMBER and SOLAS

Mission


Timeline9 l.jpg

Trace elements in a changing ocean

Monitoring / time-series / sensors

Accidental change (e.g. ocean acidification)

Intentional change (e.g. geoengineering)

Timeline


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Mission


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Geoengineering

Mission


Timeline12 l.jpg

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


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