Topography

Question 1

Can be defined as the shape, configuration, roughness, or three-dimensional quality of the Earth’s surface.

Answer 1

Topography

Question 2

Are made to show information, together with the location of artificial and natural features of the Earth including buildings, highways, streams, lakes, forests, and so on.

Answer 2

Topographic Maps

Question 3

Provides definite and precise information regarding elevation..

Answer 3

Spot Heights

Question 4

Are heights of places surveyed and they denote the actual height above mean sea level. They are shown on a map as dots with their respective values written beside it.

Answer 4

Spot Heights

Question 5

Are series of short lines drawn in the direction of the slope. They only provide a general impression of the configuration of the ground, they don’t provide the actual elevation of the ground surface.

Answer 5

Hachures

Question 6

For steep slopes, lines are ______; and for gentle slopes, they are fined and widely spaced.

Answer 6

Heavy and Closely Spaced.

Question 7

Are drawn when not enough vertical control is available or when the surface is too irregular or intricate contour. They are usually represented as dashed lines and do not portray any actual elevations. They are used to show the shapes of the terrain rather than relief.

Answer 7

Form Lines

Question 8

Shown on maps as the traces of level surfaces of different elevations.

Answer 8

Contours or Isohypses

Question 9

A common use for aerial navigation charts and small-scale maps of the world.

Answer 9

Layer Tinting System

Question 10

Used in conjunction with contour lines give a pictorial effect by accentuating the areas of different elevations.

Answer 10

Color Tints

Question 11

An old method used to show relative elevations on maps. It is accomplished by correct placement on the map of different shades of gray tints. It is dependent upon the shadow cast by the elevated portions of the land.

Answer 11

Shading

Question 12

Provides the most striking and realistic expression of topography. They are made from wax, clay plastic, cardboard, or other materials and shaped to agree with the actual terrain.

Answer 12

Relief or Terrain Models

Question 13

It is widely used as a teaching aid in geography and geology courses and also used in public exhibits.

Answer 13

Relief or Terrain Models

Question 14

The universal method to show the relief.

Answer 14

Contour

Question 15

The general unit of measurement of contour.

Answer 15

Meters above sea-level

Question 16

A low circle-shaped hill on the end of a spur.

Answer 16

Knoll

Question 17

Contours that for a V or U shape pointing away from higher land.

Answer 17

Spur

Question 18

Contours that are close together.

Answer 18

Steep Slope

Question 19

Contours that are widely spaced.

Answer 19

Gentle Slope

Question 20

Contours that are VERY widely spaced.

Answer 20

Flat Land

Question 21

Contours that are in a circle or oval shape.

Answer 21

Round Hill

Question 22

A large generally level, elevated area

Answer 22

Plateau

Question 23

Sudden drop in height at the edge of a plateau.

Answer 23

Escarpment

Question 24

A lower area between two areas of higher land.

Answer 24

Saddle

Question 25

Flows downhill and contours point to higher ground.

Answer 25

River

Question 26

Contours for a V or U shape pointing to the higher ground.

Answer 26

Valley

Question 27

Contours on both sides of a narrow valley are very steep.

Answer 27

Gorge

Question 28

Contours on top or almost on top of each other

Answer 28

Cliff

Question 29

The vertical distance between adjacent contour lines.

Answer 29

Contour Interval

Question 30

A line connecting points of equal elevation. It may be marked by its elevation in feet above sea level.

Answer 30

Contour Line

Question 31

The vertical distance of a point above a reference plane. On a topographic map, the plane is usually mean sea level.

Answer 31

Elevation

Question 32

The distance in elevation between the top of an object and its base.

Answer 32

Height

Question 33

The difference in elevation between the highest point and lowest in an area, or as shown on a topographic map.

Answer 33

Relief

Question 34

A map showing the shape of the land surface.

Answer 34

Topographic Map

Question 35

The set of physical features - mountains, hills, valleys, and other landforms that characterize a landscape

Answer 35

Topography

Question 36

A point or small area of high ground. The ground slopes down in all directions.

Answer 36

Hill

Question 37

A line of high ground with height variations along its crest.

Answer 37

Ridge

Question 38

Reasonably level ground is bordered on the sides by higher ground. Contour lines are U-shaped and tend to parallel a stream before crossing it.

Answer 38

Valley

Question 39

A dip or low point along the crest of a ridge. It may be a break along an otherwise level ridge crest.

Answer 39

Saddle

Question 40

A low point or hole in the ground, surrounded on all sides by higher ground.

Answer 40

Depression

Question 41

This is similar to a valley, except that it normally is a less developed stream course in which there is generally no level ground and. therefore, little or no maneuver room.

Answer 41

Draw

Question 42

A usually short, continuously sloping line of higher ground, normally jutting out from the side of a ridge.

Answer 42

Spur

Question 43

A vertical or near-vertical slope. It is shown in a map as lines being close together, touching, or by a ticked "carrying" contour line.

Answer 43

Cliff

Question 44

Is shown by heavier lines at regular intervals on a topographic map. They are usually shown every 5th contour and carry the contour number or elevation designation.

Answer 44

Index Contours

Question 45

Lines found between the index contours.

Answer 45

Intermediate Contours

Question 46

In a certain portion of the map, the intermediate contours are so closely spaced that they nearly unite or merge into a single line. It is standard practice for readability not to portray the line for short distances.

Answer 46

Feathering

Question 47

are drawn to show low spots as excavations around which contour close.

Answer 47

Depression Contours

Question 48

They are drawn as dashed lines or lines that begin and end when they approach the areas where the regular contours close in on each other.

Answer 48

Supplementary/ Auxillary Contours

Question 49

The map markers have to make an educated guess rather than have a blank area on the map.

Answer 49

Approximate Contours

Question 50

Every contour ___ on itself, either within or beyond the limits of the map.

Answer 50

Closes

Question 51

Contours are spaced ___ on a uniform slope.

Answer 51

Evenly

Question 52

Contours are _____ to each other on a plane surface.

Answer 52

Straight and Parallel

Question 53

Irregular contours signify ____ terrain.

Answer 53

Rough and Rugged

Question 54

Contour interval for flat to gently rolling.

Answer 54

1 to 5 meters

Question 55

Contour interval for hilly

Answer 55

5 to 20 meters

Question 56

Contour interval for Mountainous

Answer 56

25 to 100 meters

Question 57

A representation of the earth’s surface and most of its features such as roads, buildings, vegetation, etc.

Answer 57

Map

Question 58

A cross-sectional view along a line drawn through a portion of a topographic map.

Answer 58

Profile