Depression Contour: A contour that indicates a hole and is represented by a "hachured" brown line. A depression is a point inside a contour that is lower than the contour; a point outside the depression contour is higher than the contour.Consequently, what is used to represent a depression on a topographic map?
Contour lines are used in a map to portray differences in elevation. Think of contour lines as the distance between each incline. The closer together the inclines, the steeper the hill. On the other hand, the farther apart lines tend to indicate a depression in the landscape.
Also, what kind of points are connected by contour lines? A contour line or isoline connects points on a map that are of equal value. Examples of contour lines or isolines are isobars (pressure) and isotherms (temperature). Perhaps the prototypical example of a contour line is that which connects points of equal elevation (that is, height above sea level).
Moreover, what do contour lines represent on a topographic map?
Topographic maps also have a vertical scale to allow the determination of a point in three dimensional space. Contour Lines: Contour lines are used to determine elevations and are lines on a map that are produced from connecting points of equal elevation (elevation refers to height in feet, or meters, above sea level).
What are the three types of lines used on a topographic map?
There are 3 kinds of contour lines you'll see on a map: intermediate, index, and supplementary.
- Index lines are the thickest contour lines and are usually labeled with a number at one point along the line.
- Intermediate lines are the thinner, more common, lines between the index lines.
What is the purpose of a topographic map?
A topographic map is a detailed and accurate two-dimensional representation of natural and human-made features on the Earth's surface. These maps are used for a number of applications, from camping, hunting, fishing, and hiking to urban planning, resource management, and surveying.How is a valley represented on a topographic map?
Valley Contour Lines A valley is an elongated depression in the landscape that is formed by the action of water (V-shaped) or carved out by glaciers (U-shaped). Valley bottoms are represented by "U" or "V" shaped contour lines with their closed end pointing towards higher elevation.What is on a topographic map?
Topographic maps are detailed, accurate graphic representations of features that appear on the Earth's surface. These features include: cultural: roads, buildings, urban development, railways, airports, names of places and geographic features, administrative boundaries, state and international borders, reserves.What do dashed contour lines mean?
Supplemental Contour: A dotted or dashed line that represents half the interval between the other contour lines. Supplemental contours are used to produce a more complete picture of relief in a relatively flat area, particularly in flat areas.What is a Hachure line?
Hachures are strokes (short line segments or curves) drawn in the direction of the steepest slope (the aspect direction). Steeper slopes are represented by thicker, shorter strokes, while gentler slopes are represented by thinner, longer and farther apart strokes.What is the importance of contour lines?
These contour lines are an important way of showing the rise and fall of the land on a map. Contour lines show all the places that are the same height above sea level. They also tell us about the slope of the land. On a steep slope, the lines are close together.How do contour lines work?
Contour lines are lines drawn on a map connecting points of equal elevation, meaning if you physically followed a contour line, elevation would remain constant. Contour lines show elevation and the shape of the terrain. These lines are evenly spaced apart. We call this spacing the contour interval.What is the space between contour lines called?
The space between the contour lines is called the contour interval and represents a specific (set) distance. If the contour interval is 50 feet, the vertical space between the two contour lines is 50 feet.What is the definition of depression contour?
Definition of depression contour. A closed contour, inside of which the ground or geologic structure is at a lower elevation than that outside, and distinguished on a map from other contour lines by hachures marked on the downslope or downdip side.What are the 5 Rules of contour lines?
Rule 1 - every point of a contour line has the same elevation. Rule 2 - contour lines separate uphill from downhill. Rule 3 - contour lines do not touch or cross each other except at a cliff. Rule 4 - every 5th contour line is darker in color.What does map stand for?
minimum advertised price
When the lines on a contour map are close together the land is?
Contour lines that are relatively close together indicate a slope that is fairly steep. Contour lines that are further apart indicates a slope that is relatively flat. The area of the map above boxed in orange shows an area that has a fairly steep slope, while the area boxed in purple is a relatively flat area.What are contour intervals on a topographic map?
A contour line is a line drawn on a topographic map to indicate ground elevation or depression. A contour interval is the vertical distance or difference in elevation between contour lines. Index contours are bold or thicker lines that appear at every fifth contour line.What do concentric contour lines indicate?
Contour Characteristics ** Concentric circles of contour lines indicate a hill. ** Evenly spaced contours indicate uniform slope. ** Widely spaced contours indicate a gentle slope. ** Widely spaced contours at the top of a hill indicate flat hilltop.What is an auxiliary contour?
auxiliary contours. Additional contours used to portray unique ground forms not adequately portrayed by the selected contour interval. Dictionary of Military and Associated Terms.What is a contour model?
modeling. Contour line, a line on a map representing an imaginary line on the land surface, all points of which are at the same elevation above a datum plane, usually mean sea level. The diagram illustrates how contour lines show relief by joining points of equal elevation.What do u mean by contour?
contour. Contour is the outline or shape of something. A shoe that fits well along the contours or shape of your foot is a good fit. Contour comes from the Italian contorno meaning "to draw a line," which is precisely what you are doing when you trace the contour of something. 
