How can past ea level changes inform us about future anthropogenically driven sea level changes?

Rough notes to guide:

-Diagnosis encouraged

-Rate has increased over the last 100 years

-What is anthropogenically driven sea level? See AR5 IPCC projections change and compare with those of IPCC AR4 - what are the changes in two reports based on?

• Are these estimates conservative?

-How do we determine past sea level?

• Foraminifera?
• Remove temperature signal?
• Direct determination from corals.

Uncertainties must be taken into account

-Relative SLC (global mean which takes isostatic adjustment into account)

• Therefore is it helpful?

-Suggestion:

mid-Pleistocene warm period (cant constrain dynamic topography) -  world with no ice,

Holocene case studies

Look at rates of change not actual levels.

• Are they the same?
• Are they faster?
• How do they compare predicted rates?

Equilibrium response - slow feedback e.g. SLR.

Don't just consider next 100 years but beyond.

Tip: Make your own diagrams, where possible, using NOAA, or Pangaea.