Contour-lines sentence example
The contour lines showing the heights above sea-level are the directions along which species spread to form zones.
A record of this series of advances marked upon a flat map of the original country would give a series of concentric contour-lines narrowing towards the mountaintops, which they would at last completely surround.
The RAV4 is constantly fidgeting in a tiresome vertical bounce where most cars, even sporty ones, manage to flatten the contour lines.
The study of geography was advanced by improvements in cartography (see MAP), not only in the methods of survey and projection, but in the representation of the third dimension by means of contour lines introduced by Philippe Buache in 1737, and the more remarkable because less obvious invention of isotherms introduced by Humboldt in 1817.
With three component metals the complete diagram giving the variations in any property must be in three dimensions, although by the use of contour lines the essential facts can be represented in a plane diagram.Advertisement
Modern orometry has introduced the calculation of the mean angle of the slope of a given uneven surface provided that maps can be prepared showing equidistant contour lines.
If the distance between the contour lines is h and the length of the individual contour lines 1, the sum of their lengths / (1), and A the area of the surface under investigation, then the mean angle of slope is obtained from the equation h?
Some of the " deeps " to which names have been given disappear or are divided into two or three smaller deeps when the contour lines representing hundreds of fathoms are translated into contour lines representing hundreds of metres.
A similar change in the contour lines may result from the substitution of lines in fathoms for those originally drawn in metres, and hence it is extremely desirable that specific names should only be given to such features as are pronounced enough to appear on maps drawn with either unit.
The average elevation of the east boundary is about 850 ft., while contour lines of3500-3900ft.Advertisement
The elevation model is a triangulated irregular network based on the detailed digitisation of contour lines.
The student paid special attention to the curves of the contour lines when reproducing the teacher's artwork.