Topography Flashcards
(11 cards)
Contour lines are of _____ elevation and the indicate the ____ of a surface. Each point on a contour line has the _____ elevation
Equal
Elevation/ height
Same
A quadrangle is a section of surface bound by lines of ______ (n/s) and _______ (e/w)
Latitude
Longitude
Definition: difference in degrees between compass north (__) and true North (___)
Declination
MN
GN
Elevation of 0 means the surface is at _____ ______
Sea level
When contour lines cross it means there is a _____ and when contour lines merge, this means that there is a _____ ______
Overhang
Vertical cliff
Closer the contour lines, ______ the slope
Steeper
Definition: landform sunken below the surrounding area
What do hachure marks mean?
Depression
Downhill
____ pattern when crossing rivers, apex points _____ toward the source of water/ higher elevation
V
Upstream
Definition: low-lying land bordered by higher ground
Definition: rounded elevation of land
Definition: linear or elongated elevation or crest of land
Valley
Hill
Ridge
Definition: short ridge or branch coming off main ridge
Definition: low point in a ridge or line of hills
Definition; ravine, trench or deep channel formed on land by water
Definition: low point from which water cannot drain
Spur
Saddle
Gully
Closed depression
Earth’s Greatest vertical drop
Mount Thor, Nunavut