isolines

varaition

a change or difference in condition, amount, or level, typically with certain limits

profile

a cross-section, or horizontal view, of some part of an isoline map

isobar

a line drawn to connect points of equal atmospheric pressure

contour interval

the difference in elevation from one contour line to the next

scale

the ratio between the size of something and a representation of it

contour

A line on a topographic map that connects points of equal elevation

isoflor

A line that connects point of similar floral patterns on a map

legend

A list that identifies patterns, symbols, or colors used in a chart

topographic map

A map that shows the shape of the ground as well as location and elevation of surface features using contour lines.

Geological Information Systems

GIS - is a system designed to capture, store, manipulate, analyze, manage, and present all types of spatial or geographical data

elevation

Height above sea level

isotherm

Line drawn on a weather map that connects points having equal temperature

isoline

Lines that represent quantities of equal value on a map.

maps

The basic tools used by geographers to convey information, generally are a representation of the earth's surface and come in many forms

gradient

an incline or slope; the rate of incline

formula for gradient

change in elevation/ distance

isohaline

having the same salinity, or a line on a chart or map connecting points of equal salinity

isoseismal

line connecting points of same earthquake intensity

isohyet

lines of equal rainfall amounts

isotach

lines of equal wind speeds