lab quiz 1 part b
datum
"show of the land" using contours which show/indicate above or below sea level
vertical exaggeration
The actual scale of a topographic profile is exaggerated to make the data more visible.
latitude and longitude are expressed in
degree (0 small number ) 60 minutes (') and 60 seconds (")
hachures
depression contours are closed contour lines that have small tick marks indicate small depression or sink holes
relief gradient
difference in elevation between the highest and lowest points on a map
equater
divides the Earth into the north and south pole (imaginary line)
index contours
every fifth bold line on a map
larger gradientd
indicate steep slope
base line
initial point runs east to west on a map
y position
is called a teir
x position
is called range
bar scale
is linear scale that is used for measuring distance on a map in english and metric units
contour intervals
is vertical difference in elevation between adjacent contour lines
gentle slope
lines close together on a map
TEIR
measurement in x-y coordinate system
components that are shown on a map
name and series designation, symbols in use on a map, scales and contour verticals, datum ( publishers name included), map and publication date, north arrow with magnetic declination, maps adjacent to this map, agency that produced this map
Rules of "V"
point of v always points up hill and up stream open part of v indicates the way the water flows
prime meridean
runs vertically and passes over greenwich england and are longitude lines increase in value to 180 degrees