Lecture 9-Climate change 1 historical perspective Flashcards
what is the quote about climate by Andrew John Herbertson (1865-1915)
“Climate is what on an average we may
expect, weather is what we actually get”
what is the reciepe for coal
Peat + burial + time
what is peat
accumulated plant matter deposits
what did the Carboniferous ice age have
Enormous coal measures
High O2
Very low CO2
what are carbon sinks
Earth’s CO2 capture and storage system for 100s x Myrs
what happened in the post
-event ‘coal gap’
all land carbon sinks lost
the world simmers for millions of years
what was End-Permian event wetland carbon sinks converted to
carbon sources
what are solutions to this problem from the fossil record
1) Curb CO2 (and other greenhouse gas) emissions
2) Prevent wildfires in wetlands
3) Keep waterways clean
4) Converting C sources back to C sinks