GLGY 305 - Lec 2 Question and answers verified to pass
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Module
GLGY
Institution
GLGY
GLGY 305 - Lec 2 Question and answers verified to pass
when was the time of the dinosaurs? (which era) - correct answer Mesazoic
Weather - correct answer state of atmosphere for given amount of day (temperature, air pressure, precipitation)
climate - correct answer long term average ...
GLGY 305 - Lec 2 Question and answers
verified to pass
when was the time of the dinosaurs? (which era) - correct answer
✔Mesazoic
Weather - correct answer ✔state of atmosphere for given amount of day
(temperature, air pressure, precipitation)
climate - correct answer ✔long term average of weather for given area
(seasonality)
climatographs - correct answer ✔Plots avg temp throughout the year
throughout month
Plots precipitation
Late Triassic (237-201.3 Ma) - correct answer ✔Pangea dominates (pole to
pole distribution)
Pole to pole supercontinent distribution had impact on climate
- coast was wet; interiors were arid (deserts)
- the interiors also experienced stronger seasonal temperature swings
Jurassic (201.3 to 145 Ma) - correct answer ✔Pangea starts to break up into
Gondwana (south) and Laurasia (north)
Earth is warming
No ice at poles
Sea level rises
, Large epeiric/epicontinental areas - shallow seas on continents - help
moderate temperature and make things more humid
Cretaceous (145 to 66 Ma) - correct answer ✔Continents mostly in present-
day positions
No polar ice/glaciers on continent
Australia little bit south
Laurasia continents filled with
Causes of Climate Change (natural ones) - correct answer ✔1. Changes in
amount of insulation from sun reaching surface of earth
→ changes in sun's intensity
→ changes in shape of earth's orbit (obliquity)
→ changes in earth's tilt
→ changes in earth's precession
Melancovich's cycle - sometimes earth is tilted more/less - more means more
pronounced seasons
2. Changes in greenhouse gasses
Climate archives - correct answer ✔Sediments
Ice
coral
Tree rings
Principle of Uniformitarianism - correct answer ✔1830 theory
Earth is very old
Natural process have been uniform through time
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