16.2 - Flashcards
Global Climate Change:
Many climate characteristics rainfall, temp., wind patterns, and storm fequency are changed
Global Warming:
The increase in Earth’s average surface temp. and is only one aspect of climate change
Ice shevles:
edges of glaciers
Causes for rising oceans
- Warming seawater expands
- glaciers melt adding to the water
Proxy indicators:
Types of indirect evidence that serve as substances for direct measurments of what the Earth was like
Types of Proxy indicators:
- Glaciers contian trapped air bubbles and soot to tell about droughts, fires, and general climate
- Ancient Sediments preserve seeds which, tell what could grow based off of the climate
- Tree rings tell of hurricane activity, wet and dry seasons, drought, forest fires in the past
North & South America _____ precipitation while SW America and Africa _____ precipitation
gain & lose
Climate models:
programs that use knowledge on the oceans and atmosphere to simulate climate processes using large data amounts and complex math equations
Mauna Loa, 1958 CO2 concetration was at _____ compared to now at _____ in 2014
315 to 414ppm
molecule for molcule, most other greenhouse gasses cause ____ global warming than CO2
more
Most reponsible greenhouse gas is
CO2
Fossil Fuels:
buring of carbon containing fuels
Fossil fuel use have risen due to
deforistaion and FF buring