Author Question: What would you expect to be the prevailing winter wind directions for the following locations? a) ... (Read 83 times)

serike · **on:** Jul 16, 2018

What would you expect to be the prevailing winter wind directions for the following locations?

a) Auckland, New Zealand, Lat: 36 degrees 55 minutes S
b) Braslia, Brazil, Lat: 15 degrees 47 minutes S
c) Cape Town, South Africa, Lat: 33 degrees 56 minutes S
d) Des Moines, Iowa, Lat: 40 degrees 55 minutes N
e) Kabul, Afghanistan, Lat: 34 degrees 31 minutes N
f) Lagos, Nigeria, Lat: 06 degrees 27 minutes N
g) Paris, France, Lat: 48 degrees 52 minutes N

Question 2

What evidence supports the hypothesis that most of the dust that contributes to hazy summer skies in the southeastern United States originates in Africa?

What will be an ideal response?

snackralk · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

a) Westerly winds
b) Easterly winds
c) Westerly winds
d) Westerly winds
e) Westerly winds
f) Easterly winds
g) Westerly winds

Answer to Question 2

a) Satellite images show dust storms blowing dust from Africa across the Atlantic Ocean. Observed hazy conditions in the Caribbean coincide with these storms.
b) Measurements of variation in dust concentrations over a period of days in the U.S. show that the dust enters the U.S. from the south and southeast (from the Caribbean area).
c) The summer dust in the southeastern U.S. has high concentrations of aluminum and iron, consistent with minerals that compose the dust in the Sahara.