topographic map a map which shows elevation of the land with the use of contour lines, shapes, and...
TRANSCRIPT
![Page 1: TOPOGRAPHIC MAP A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES, AND SYMBOLS CONTOUR LINES LINES DRAWN TO CONNECT POINTS](https://reader034.vdocuments.us/reader034/viewer/2022050801/551abc39550346b2288b50d5/html5/thumbnails/1.jpg)
![Page 2: TOPOGRAPHIC MAP A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES, AND SYMBOLS CONTOUR LINES LINES DRAWN TO CONNECT POINTS](https://reader034.vdocuments.us/reader034/viewer/2022050801/551abc39550346b2288b50d5/html5/thumbnails/2.jpg)
TOPOGRAPHIC MAP
A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES , AND SYMBOLS
CONTOUR LINES
LINES DRAWN TO CONNECT POINTS OF THE SAME ELEVATION
![Page 3: TOPOGRAPHIC MAP A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES, AND SYMBOLS CONTOUR LINES LINES DRAWN TO CONNECT POINTS](https://reader034.vdocuments.us/reader034/viewer/2022050801/551abc39550346b2288b50d5/html5/thumbnails/3.jpg)
ELEVATION
CONTOUR INTERVAL- THE DIFFERENCE IN ELEVATION BETWEEN TWO CONSECUTIVE CONTOUR LINES
INDEX CONTOUR- EVERY FOURTH OR FIFTH LINE WHICH IS DARKENED FOR EASY READING
![Page 4: TOPOGRAPHIC MAP A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES, AND SYMBOLS CONTOUR LINES LINES DRAWN TO CONNECT POINTS](https://reader034.vdocuments.us/reader034/viewer/2022050801/551abc39550346b2288b50d5/html5/thumbnails/4.jpg)
STEEPNESS OF SLOPES
CLOSER CONTOUR LINES = STEEP SLOPES
WELL-SPACED CONTOUR LINES = FLATTER, GENTLE SLOPES
THE SHAPE OF THE LAND AT VARIOUS HEIGHTS
![Page 5: TOPOGRAPHIC MAP A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES, AND SYMBOLS CONTOUR LINES LINES DRAWN TO CONNECT POINTS](https://reader034.vdocuments.us/reader034/viewer/2022050801/551abc39550346b2288b50d5/html5/thumbnails/5.jpg)
( SINKHOLE, QUARRY, MINE)
MEASURED USING A HACHURE LINE
**FIRST DEPRESSION LINE TAKES THE VALUE OF THE CONTOUR LINE SURROUNDING IT
THE “WHISKERS” POINT TO THE LOWER ELEVATION
![Page 6: TOPOGRAPHIC MAP A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES, AND SYMBOLS CONTOUR LINES LINES DRAWN TO CONNECT POINTS](https://reader034.vdocuments.us/reader034/viewer/2022050801/551abc39550346b2288b50d5/html5/thumbnails/6.jpg)
A BENCHMARK POINT IS A LOCATION WHOSE EXACT ELEVATION IS KNOWN AND IS NOTED ON A BRASS ALLUMINUM PLATE ( BM )
![Page 7: TOPOGRAPHIC MAP A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES, AND SYMBOLS CONTOUR LINES LINES DRAWN TO CONNECT POINTS](https://reader034.vdocuments.us/reader034/viewer/2022050801/551abc39550346b2288b50d5/html5/thumbnails/7.jpg)
A MAXIMUM ELEVATION- HIGHEST POSSIBLE ELEVATION
FIGURE OUT WHAT THE NEXT POSSIBLE CONTOUR LINE WOULD BE THEN SUBTRACT 1 UNIT
MINIMUM ELEVATION- LOWEST POSSIBLE ELEVATION
THE NEXT POSSIBLE DEPRESSION LINE, THEN PLUS 1 UNIT
![Page 8: TOPOGRAPHIC MAP A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES, AND SYMBOLS CONTOUR LINES LINES DRAWN TO CONNECT POINTS](https://reader034.vdocuments.us/reader034/viewer/2022050801/551abc39550346b2288b50d5/html5/thumbnails/8.jpg)
RIVERS CUT A VALLEY AND CAUSE CONTOUR LINES TO FORM A V-SHAPE POINTING TO THE SOURCE OF THE STREAM (UPSTREAM).
GRADIENT = CHANGE IN ELEVATION (ft)
DISTANCE (mi)
![Page 9: TOPOGRAPHIC MAP A MAP WHICH SHOWS ELEVATION OF THE LAND WITH THE USE OF CONTOUR LINES, SHAPES, AND SYMBOLS CONTOUR LINES LINES DRAWN TO CONNECT POINTS](https://reader034.vdocuments.us/reader034/viewer/2022050801/551abc39550346b2288b50d5/html5/thumbnails/9.jpg)
RELIEF- DIFFERENCE IN ELEVATION
RELIEF MAP – RAISED MAP WHICH SHOWS DIFFERENCE IN ELEVATION(3-D)
PROFILE- SIDE VIEW OF THE SHAPE OF THE LAND ON A TOPOGRAPHIC MAP