Deck 3/4 Flashcards
Climate Change, IPCCs, and GCMs
tools to assess climate change
IPCC reports, GCMs, and climate change scenarios
Does the IPCC conduct research
no, they just compile literature and research into their reports
does the IPCC monitor climate change
no, just a systematic review of all relevant published literature
which IPCC report is the most recent
AR6
reports are split into how many ____
3 working groups
what are the three working groups
WG1 - climate science
WG2 - Mitigation
WG3 - Adaptation
representative concentration pathways are?
4 GHG concentration trajectories (not emissions) adopted by the IPCC in AR5
emission scenarios are found where?
AR4 special report, they are future socioeconomic pathways and their predicted CO2 emission increase
RCP 2.6 is ?
the most environmentally friendly
- meant to keep global temp rise below 2 degrees by 2100
- strict and very big cuts to all types of emissions
RCP 4.5 is ?
the middle scenario
- rise in temp by 2-3 degrees by 2100 and mean sea level rise 35% higher than RCP 2.6
- CO2 peak in 2040, then declines to half of 2050 levels by 2100
- many plants and animals unable to adapt
RCP 8.5 is the?
worst case scenario
- co2 emissions continue to rise
- 3+ degree warming
- unlikely but we don’t understand feedbacks and stuff well enough yet
GCM
General circulation model OR Global climate model
climate models are system of equations based on ____, ____, and ____
physics, fluid motion, chemistry
models must represent physical interactions between …
the atmosphere, oceans, land surfaces, sea ice
what do GCMs simulate
large scale physical processes fundamental to changing atmospheric responses at the global scale
not detailed physical processes