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Projected deglaciation in Canada - Coggle Diagram
Projected deglaciation in Canada
Ice loss projections
General circulation models (GCM)
Forced by 4 emission scenarios
RCP 6.0
RCP 8.5
RCP 4.5
Scenarios range from low emissions (2.6)
to high emissions (8.5)
RCP 2.6
Regional glaciation model (RGM)
Project evolution of stable glaciers
Mass balance model
Glacier surface accumulation and abalation
Lacks info on change in thickness and extent
Uncertainties
Models have vertical hatching to
show uncertinties in the line
Vary by the RCP used
Uncertainty in RGM projections due to
uncertainty in emission pathway followed
Uncertainties vary across GCMs
Uncertainties are higher in mountainous regions due to the instability in precipitation and temperature
Higher for 8.5 than 2.6 because higher
emission scenarios have more variability
More emissions = more room for uncertanties
Uncertianties are to do with variability within scenarios
Not by limitations of the model