This topic contains a solution. Click here to go to the answer

Author Question: Compare radiation inversions and subsidence inversions. Which type of inversion is typically ... (Read 193 times)

torybrooks

  • Hero Member
  • *****
  • Posts: 500
Compare radiation inversions and subsidence inversions. Which type of inversion is typically associated with episodes of major air pollution?
  What will be the ideal response?

Question 2

Explain the role wind plays in air pollution.
  What will be the ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tuwy

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

ANSWER: A radiation (or surface) inversion typically forms during the night and early morning hours when the sky is clear and the winds are light. Radiation inversions also tend to be well developed during the long nights of winter. Radiation inversions normally last just a few hours, while subsidence inversions may persist for several days or longer. Subsidence inversions, therefore, are the ones commonly associated with major air pollution episodes. They form as the air above a deep anticyclone slowly sinks (subsides) and warms.


Answer to Question 2

ANSWER: Wind speed plays a role in diluting pollution. When vast quantities of pollutants are spewed into the air, the wind speed determines how quickly the pollutants mix with the surrounding air and, of course, how fast they move away from their source. Strong winds tend to lower the concentration of pollutants by spreading them apart as they move downstream. This process of spreading is called dispersion. Moreover, the stronger the wind, the more turbulent the air. Turbulent air produces swirling eddies that dilute the pollutants by mixing them with the cleaner surrounding air. Hence, when the wind dies down, pollutants are not readily dispersed, and they tend to become more concentrated.




torybrooks

  • Member
  • Posts: 500
Reply 2 on: Jul 13, 2018
Excellent


JCABRERA33

  • Member
  • Posts: 344
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

For a complete list of videos, visit our video library