Term
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Definition
The force per unit area exerted against a surface
by the weight of the air above that surface. |
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Term
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Definition
| (mb) Standar unit of measuring atmospheric pressure |
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Term
| How does pressure change with height? |
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Definition
| Atmospheric pressure decreases rapidly at height. |
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Term
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Definition
| Movement of air particles from areas of high to low pressure |
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Term
| What three forces influence speed and direction of wind? |
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Definition
1. Coriolis Force
2. Friction Force
3. Pressure-gradient Force |
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Term
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Definition
| The difference in pressure over a given distance. |
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Term
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Definition
| Deflection of an object due to earth's rotation |
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Term
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Definition
The closer air molecules are to the surface of the earth,
the more they are slowed. |
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Term
| Frictional Force acts ________ to the direction of wind |
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Definition
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Term
| Which force steers wind to the right of left, depending on the hemisphere? |
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Definition
The Coriolis Force
a. deflects objects to the right in north hemisphere
b. deflects objects left in sourth hemisphere |
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Term
| How do winds behave at a low surface? |
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Definition
| At low surface, winds converge at a cyclone and air is pushed up and forced to rise. |
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Term
| How do winds behave at a high surface? |
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Definition
| Winds disperse at a high surface known as anticyclone where air disperses and limits lift. |
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Term
| What are Sea/Land Breeze driven by? |
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Definition
| diurnal heating and cooling of land |
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Term
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Definition
| Winds that parallel lines of latitude [east-west] |
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Term
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Definition
| Winds that are parallel lines of longitude [north-south] |
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Term
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Definition
| The high pressure zone of descending, dry air at ~30 degrees N/S latitude |
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Term
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Definition
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Term
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Definition
| Moves air from the global pressure belts |
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Term
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Definition
| Move air to global pressure belts |
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Term
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Definition
0-30 degrees latitude
Low pressure at center, high pressure at outer limits |
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Term
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Definition
30-60 degrees latitude
High pressure at 30 degrees hadley cell, low pressure at 60 degrees with polar cell |
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Term
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Definition
60-90 degrees latitude
Low pressure at 60 degrees with ferrell cell, High pressure at poles. |
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Term
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Definition
Also known as zonal winds
at 0, 30, and 60 degrees latitude
Strongest in North Hemisphere winters |
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Term
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Definition
| A set of related events/objects and their interactions |
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Term
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Definition
| Inputs/outputs are dynamic (ex. watershed) |
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Term
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Definition
| Inputs/Outputs are fixed (ex. carbon cycle) |
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Term
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Definition
| A system that is static in time |
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Term
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Definition
| The system changes, but always varies around some common condition |
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Term
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Definition
| A simplified representation of the world, containing process and features of interest. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| An explination for an observation that is sustained by a considerable body of evidence (explains how nature works) |
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Term
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Definition
| A set of observed regulatories expressed in concise verbal or mathematical statement |
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Term
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Definition
One complete circling of the planet around the sun
Moves 60 km/s |
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Term
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Definition
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Term
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Definition
| Farthest from sun July 4th |
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Term
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Definition
| At a constant of 23.5 degrees |
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Term
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Definition
| At a constant of 23.5 degrees |
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Term
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Definition
Sun vertical at Equator
March. 20-22/ Sep 22-23 |
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Term
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Definition
Sun vertical at latitude of 23.5 degrees north (June 21-22)
or
Sun vertical at latitude 23.5 degrees south (Dec. 21-22) |
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Term
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Definition
| Angle of sun from directly overhead. |
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Term
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Definition
| Angle of sun above the horizon |
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Term
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Definition
| The ammount of energy emitted from an object that can be measured as heat |
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Term
| As thermal energy increases... |
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Definition
| The molecules forming an object move faster. |
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Term
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Definition
| A transmission of energy via electromadetic waves. All objects omit heat by radiation |
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Term
| The hotter the object the ______ wavelength of energy |
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Definition
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Term
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Definition
| Wavelength from the sun <4 micrometers |
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Term
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Definition
| Energy omitted from the sun >4 micrometers |
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Term
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Definition
| The way heat travels within a substance |
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Term
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Definition
| Heat flows through a medium without compromising the substance |
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Term
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Definition
| Heat trasferred assosciated with the flow of water vapor |
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Term
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Definition
| % of radiation reflected from a surface |
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Term
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Definition
78% of gas in atomosphere
essential for all life
lifespan of 13 my |
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Term
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Definition
Second most abundant gas
21%
vital for respiration
Lifespan of 5,000 years |
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