Map Vocab
Terms
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- isometric lines
- lines that connect places with the same isometric values
- isometric values
- values that can actually be measured at that point on the earth's surface
- two types of isolines
-
Isometric lines
Isopleths - Isopleth
- line that links values which are not actually measured at a particular place but which represent a certain area
- interpolation
- the process of plotting isolines on a map using estimates
- isoline interval
- difference in value between the isolines
-
isoline names:represent?
isotherm =
isohyet =
isobar =
isohypse = -
temperature
rainfall
atmospheric pressure
height above sea level - isoline property 1
- isolines never intersect
- isoline property 2
- line separates areas with lower values than it's own from areas with higher values
- isoline property 3
- where closely spaced = steep gradient or high rate of change
- isoline property 4
-
numeric value should always be indicated
values point in direction of increase
value written on higher side of the isoline - isoline property 5
- are rounded lines, cannot simply begin and end, either joins to form continuous line, or runs off map edges (continuation would appear on adjacent map)
- isoline property 6
- lines always follow each other progressively