Short Dry Region
How many times does this region receive the ITCZ?
Twice.
What date and month does the northern Amazonian region receive the direct overhead sun?
21 June.
How much rainfall does this region experience?
3000mm +
What is precipitation?
Moisture/rain.
What months of the year is the sun directly over the equator?
March and September
How much of the Amazon Basin does the Short Dry occupy?
1/3
What date and month does the southern Amazonian region receive the direct overhead sun?
21 December.
What is the nik-name of the forests in this region?
Cloud Forests.
What is the dew point?
The point in the atmosphere where water vapour condenses enough to form clouds.
When the sun is directly over the equator it is at 90 degrees. What is the angle of the sun on the two tropics (Cancer/Capricorn)?
66 degrees
How much rainfall does this region receive?
2-3000mm.
4-6 months.
What is a double maximum?
When two processes operate in the same location at the same time.
What are the 3 types of rainfall?
Orographic, convectional and frontal.
When the sun is directly over the tropic of Cancer what is the angle of the sun at the tropic of Capricorn?
43 degrees
What is the length of the likely 'dry' spell of the Short Dry?
2-3 mon.ths
How much rainfall do the southern and northern regions receive?
1500-2000mm.
What is orographic rainfall?
Rainfall created as air rises up a mountain, cools, condenses and forms clouds.
If I start walking at 100m above sea level and it is 19 degrees what is the temperature when I arrive at my destination which is at 650m above sea level?
15.5 degrees - 5.5 x 0.6
How is spring and autumn defined in terms of the length of the day?
When the day is the same length as the night.
What 2 months does this region receive the direct overhead sun?
April and September.
When the sun is at 90 degrees (directly overhead in the north or south) what angle is at the equator and the tropic?
66 and 45 degrees.
Describe why this region experiences almost constant rainfall?
Because it experiences both orographic and conventional rainfall so it always has air rising whcih results in clouds/rain.
What proportion of rainfall originates from evapo-transpiration (not from picking up moisture from the sea?)
1/2.
What instrument measures air pressure?
Barometer.