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These flashcards cover essential vocabulary and definitions related to geographic data and maps, as discussed in the lecture notes.
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Geographic Information System (GIS)
A digital record of geographic information that layers information together using a coordinate system.
Contour Lines
Lines on a map that connect points of equal elevation in relation to sea level.
Topography
The shape and physical characteristics of Earth’s surface features.
Remote Data
Data collected from off-site sources, such as satellite imagery or weather radar.
In-situ Data
Data collected from direct contact with the source, such as soil samples or human interviews.
Thematic Maps
Maps that display specific data themes, such as population density or climate.
Isolines
Lines on a map that connect points of equal value, such as temperature or elevation.
Scale
The ratio of distance on a map to the corresponding distance on the ground.
Drought Severity Index
A scale used to classify drought levels ranging from extreme drought to extremely moist.
Map Elements
Key components of a map including title, description, context, and map maker information.