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Weather&Climate
Vocab Terms
18
Geography
Undergraduate 1
10/14/2012

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Cards

Term
Geographic Information Systems(GIS)
Definition
an information system that's designed to work with geographically referenced data
Term
Satellite images, air photos, radar
Definition
Remote Sensing
Term
Any ordered, interrelated set of things and their attributes linked by flows of energy and matter
Definition
System
Term
Earth's 4 spheres
Definition
1)Atmosphere 2)Hydrosphere 3)Lithosphere 4)Biosphere
Term
Region
Definition
Something that makes an area common
Term
Place
Definition
tangible and intangible characteristics which make an area unique
Term
Compare/contrast small scale maps with large scale maps
Definition
Large scale maps used in local maps while small scale maps are used for world maps(less detailed)
Term
Map projections
Definition
realignment of grid from globe to flat surface in a systematic way
Term
Solar Radiation
Definition
Drives earth's climate
Term
What causes seasons?
Definition
tilt,movement of earth related to sun
Term
Law of Conservation of Energy
Definition
Energy cant be created or destroyed; it can only change form
Term
Perihelion
Definition
When we're closest to the sun(January 3rd)
Term
Aphelion
Definition
When we're farthest from the sun (July 4th)
Term
Why do we have seasons?
Definition
Change in the suns altitude above the horizon and the change in daylength
Term
Insolation
Definition
Incoming solar radiation which reaches the earth's surface
Term
Subsolar Point
Definition
Latitude where sun is directly overhead at noon (ex.tropic of cancer during summer solstice)
Term
Solar declination
Definition
the latitude which its found at (north or south of the equator)
Term
Reasons for the seasons
Definition
1)Revolution 2)Rotation 3)Tilt=23.5 4)Axial parallelism=axial tilt maintained as orbiting the sun 5)Sphericity= Energy thats incident on Earth comes from different angles
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