Author Question: Which of the following matches is true? A) very cold, dry, and stable air mass = mT Pacific air ... (Read 18 times)

KimWrice · **on:** Jul 14, 2018

Which of the following matches is true?

A) very cold, dry, and stable air mass = mT Pacific air mass
B) cP air mass = most prominent in the Southern Hemisphere.
C) tropical air mass source region = 40 to 55 N or S
D) cT air mass = a small summer air mass in Texas
E) warm, humid, very unstable air mass = mT air mass

Question 2

Give the equation for stream discharge. What happens to stream velocity if discharge and depth remain the same, but width increases?

What will be an ideal response?

s.meritte · **Reply #1 on:** Jul 14, 2018

Answer to Question 1

D

Answer to Question 2

Q = wdv
where Q = discharge; w = channel width; d = channel depth; and v = stream velocity.
As Q increases, one or more of the other variables must also increase. So, if discharge and depth remain the same, but width increases, velocity must decrease.