Environmental Sciences Flashcards
1
Q
How is pressure calculated?
A
force/area
2
Q
What is pressure measured in?
A
Pascals(PA)
3
Q
PSI
A
Pounds per sq in
4
Q
Wind blows…
A
high to low
5
Q
Colder air = what pressure?
A
High
6
Q
Warmer air = what pressure?
A
Lower
7
Q
Pressure decreases with what?
A
Altitude
8
Q
Air pressure is measured in what?
A
millibars and inches of mercury
9
Q
What is HG
A
Inches of mercury
10
Q
Isobars
A
Lines connecting points of equal air pressure
11
Q
Typical High Pressure System
A
Cold, stormy, strong winds, moist air
12
Q
Typical Low Pressure System
A
Sunny, calm winds, cool, dry air
13
Q
Av. Low pressure system HG
A
28.9
14
Q
Av. High Pressure HG
A
30.5
15
Q
Air Mass
A
Large body of air with the same temperature and moisture(humidity)