Loading presentation...

Present Remotely

Send the link below via email or IM


Present to your audience

Start remote presentation

  • Invited audience members will follow you as you navigate and present
  • People invited to a presentation do not need a Prezi account
  • This link expires 10 minutes after you close the presentation
  • A maximum of 30 users can follow your presentation
  • Learn more about this feature in our knowledge base article

Do you really want to delete this prezi?

Neither you, nor the coeditors you shared it with will be able to recover it again.


Characteristics of the Atmosphere

No description

Katelynn Dorn

on 10 February 2015

Comments (0)

Please log in to add your comment.

Report abuse

Transcript of Characteristics of the Atmosphere

Characteristics of the Atmosphere
weather- condition of atmosphere at particular time or place
climate- general weather conditions over many years in a certain place
1. Nitrogen, 2. oxygen, 3. argon
water vapor- how does it get added to the atmosphere?
ozone- absorbs UV rays
CFCs and nitrous oxide break down ozone
atmospheric dust
Composition of the Atmosphere
what uses up the most oxygen?
what adds oxygen back to the air?
Oxygen in Atmosphere
nitrogen cycle
nitrogen-fixing bacteria change N2 gas into nitrates
animals eat plants so their waste contains nitrogen and they return it to the soil
the denitrifying bacteria return the nitrogen to the atmosphere
Nitrogen in Atmosphere
Atmospheric Pressure
99% of Earth's gases are found w/in 32 km of its surface
atmospheric pressure- ratio of force of air to area of surface it presses on (10,300 kg per1 m^2 from sea level to top of atmosphere
how do you know when atmos. pressure changes when you're on a plane?
mercurial barometer
- higher pressure squeezes mercury higher up the tube
760 mm- 1 atmosphere
millibars- .001 of S.A.P.
Anaeroid barometer
- w/o liquid, vacuumed container
sides bulge out- low pressure
sides cave in- high pressure
Layers of the Atmosphere
troposphere- weather
temp. decreases with altitude
stratosphere- ozone layer (-60 degrees C at bottom, 0 degrees C at top)
mesosphere- 50-80 km high
coldest layer (-90)--> mesopause
thermosphere- thinnest air, highest temps
2000 degrees C
ionosphere- bottom, exosphere- closer to space
Air Pollution
sulfur dioxide, CO, lead, hydrocarbons
burning of fossil fuels
acid precipitation
temperature inversion- warm air on top of cool air
smog- trapped by mountains
Full transcript