week 5 Lecture? Flashcards
What is the extensive terrain hypothesis?
Large elevated areas affect atmospheric circulation
How does lapse rate effect high terrain?
cooling of high terrain
How did the tibetan plateau effect the westerlies?
The westerlies are deflected north and south
What major climate event does the tibet plateau effect?
the monsoon
How is role of topography tested?
modeling
What does the orographic insulation hypothesis suggest?
That what is important is the mountain chain not the presence of tibet
How does the orographic insulation hypothesis compare to what was observed?
- High altitude T are similar
- Surface temperature (entropy) are similar
- Precipitation and winds are similar
What are 87Sr/86Sr in marine carbonates used for?
Weathering Proxy
What is MAR(mass accumulation rate) used for?
Weathering Proxy
How are monsoons affected by plateaus?
monsoonal circulation and precipitation caused by heating of rising plateaus