Terms in this set (24)
geographic information systems
> computer systems designed to analyze and display spatial data.
> allows data management using the link between data and a map.
any line that joins points of equal value of something.
a line joining points of equal elevation
map scale that has a relatively large representative fraction (small denominator).
map scale that has a relatively small representative fraction (large denominator).
brief summary of the map's content or purpose
indicate time span of when data was collected
symbols, colors, shadings, etc.
grids of parallels or meridians or a north arrow
x-y- coordinate scale or more than one coordinate system
helps the user assess the kinds of distraction on the map.
balances reasonably accurate shapes with reasonable accurate areas
mathematically "wrapping" the globe with a cylinder of paper in such a way that the paper touches the globe only at the globe's equator.
a conformal map projection designed to facilitate oceanic navigation
projecting a globe onto a flat piece of paper that is tangent to the globe at one point
projecting the markings onto a "line"
a roughly football-shaped map.
____ film has proven very valuable for interpretation of Earth resources from airborne cameras.
A(n)____ map contains lines joining points of equal elevation
In ____ film photography, the photographic film is sensitive to wavelengths longer than visible light.
the most important Earth resources satellite series that was started in the 1970s
A(n) ____ measures map distance to Earth distance
the science of obtaining reliable measurements from photographs
the characteristic of projections which portray accurate sizes but distort the shapes of land masses.