Intro to Meteorology - Exam 1 || A+ Graded Already.
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Intro to Meteorology
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Intro To Meteorology
What are the 4 layers of the atmosphere? correct answers 1. Troposphere
2. Stratosphere
3. Mesosphere
4. Thermosphere
What part of the atmosphere do we live in? correct answers The Troposphere
What "lids" separate each layer of the atmosphere? correct answers 1. Tropopause
2. Stratopause
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Intro to Meteorology - Exam 1 || A+ Graded Already.
What are the 4 layers of the atmosphere? correct answers 1. Troposphere
2. Stratosphere
3. Mesosphere
4. Thermosphere
What part of the atmosphere do we live in? correct answers The Troposphere
What "lids" separate each layer of the atmosphere? correct answers 1. Tropopause
2. Stratopause
3. Mesopause
4. Thermopause
What is the standard lapse rate of the troposphere? correct answers 6.5ºC/1000m. or 3.6ºF/100ft.
Why do we have seasons? correct answers The seasons are regulated by the amount of incoming
solar radiation (insolation) received at the surface.
We have seasons because of:
- The angle we are tilted at causing direct sunlight to hit Earth.
- The length of daylight.
(How close the Earth is to the sun matters far less than these 2 things)
Weight correct answers The force acting on an object due to gravity.
Mass x Gravity
Mass correct answers The quantity of matter in an object.
Density correct answers the amount of mass in a given space (volume).
Mass/Volume
Troposphere correct answers - Surface to about 6-10 miles.
- Higher in the summer and tropics.
- Temp. decreases with height because it is heated by the surface and not directly by sunlight.
- Almost all of what we call weather occurs here.
- 80% of Earth's mass is the troposphere.
Stratosphere correct answers - Situated between 6.2-8.1mi. and 31mi.
- Temp. increases with height because the ozone layer absorbs UV light and warms up as a result
- Layered portion of atmosphere.
- 99% of the atmospheric mass resides below the stratopause
Mesosphere correct answers Up to about 53 miles
, Thermosphere correct answers - Goes up to about 75mi.
- The top layer of the atmosphere.
- Highest temperatures in the atmosphere due to high energy radiation being absorbed by gases.
Summer Solstice correct answers Begins June 21st
Autumnal Equinox correct answers Begins September 22nd
Winter Solstice correct answers Begins December 21st
Vernal Equinox correct answers Begins March 20th
Carbon Dioxide correct answers Makes up 0.038% of the atmosphere.
Enters the atmosphere by:
o Decay of Vegetation
o Volcanic Eruption
o Exhalation of Animal Life
o Burning of Fossil Fuels
Removed from the Atmosphere by:
o Photosynthesis
o Vegetation
o Oceans
Nitrogen correct answers Makes up 78% of the atmosphere. Most important gas.
Oxygen correct answers Makes up 21% of the atmosphere.
Argon correct answers Makes up less than 1% of the atmosphere.
Water Vapor correct answers - 0-4% (by vol.) of Earth's Atmosphere
- Rain, Snow, Fog, Clouds
- Important for the generation of day-to-day weather.
Ozone correct answers - Makes up 0.01% of atmosphere
- Beneficial: absorbs radiation, provides a natural shield for humans, plants and animals.
- Harmful: eye and throat irritation, vegetation damage, gets rid of good ozone.
Methane correct answers - Makes up 0.0001% of atmosphere
- Beneficial: effective absorber of thermal radiation.
- Sources: coal mines, livestock, rice fields, gas pipelines.
Lapse Rate correct answers The rate at which temperature decreases with height.
Potential Energy correct answers Total amount of energy stored in any object determines how
much work the object is capable of doing.
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