Ch 1&2: Atmosphere; Temperature and Heating Flashcards
List the gasses and their proportions that make up the atmosphere.
78% Nitrogen 21 Oxygen 0.9% Argon 0.03% Carbon Dioxide 1% Water Vapour
What altitude is the tropopause?
11km/36090ft at mid latitude
Where is the lapse rate 1.98C/1000ft?
Troposphere
The Ozone Layer is at what altitude?
25km
What is the function of the Ozone Layer?
Filter harmful UV rays from the sun
Where and when is the tropopause highest?
Equator during summer (18km/-75C)
What word describes a layer in the atmosphere where temperature remains the same?
Isotherm
What is the definition of the tropopause?
A boundary between the troposphere and stratosphere.
What altitude and temperature is the stratopause?
50km, 0C
What altitude and temperature is the mesopause?
80/90km, -90C
Give the units of the ISA pressures of 29.92, 1013.25, and 760.
29.92 inHg, 1013.25 hPa, 760 mmHg
ISA Deviation = ?
15-((Altitude/1000)*2)
A Stevenson Screen measures what?
Temperature and humidity at 4 feet
What is the name for energy transfer through direct contact of particles?
Conduction
What is convection?
Energy transfer through the vertical movement of air
Name the sources of long wave radiation and short wave radiation
Short wave radiation = Sun
Long wave radiation = Earth
What is advection?
Energy transfer through horizontal movement of air
What happens to temperature when ice changes into a liquid or gas?
Temperature decreases
What is the name for the the concentration of sun in an area?
Insolation
Perihelion occurs at what distance from the sun and what season?
Winter, 91 million miles
Aphelion occurs at what distance from the sun and what season?
95 million miles, Summer
What are the dates of the equinoxes and solstices?
Equinoxes: 21 March and 23 September
Solstices: 21 June and 21 December
Temperature is?
The measure of heat associated with the movement of particles
Heat is?
Energy required to drive an activity
What height is the boundary layer?
2000/3000 feet
