When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Hypsometry - Wikipedia

    en.wikipedia.org/wiki/Hypsometry

    Differences in hypsometric curves between landscapes arise because the geomorphic processes that shape the landscape may be different. When drawn as a 2-dimensional histogram, a hypsometric curve displays the elevation (y) on the vertical, y-axis and area above the corresponding elevation (x) on the horizontal or x-axis. The curve can also be ...

  3. Ohio - Wikipedia

    en.wikipedia.org/wiki/Ohio

    Elevation. 850 ft (260 m) Highest elevation (Campbell Hill [8] [b]) 1,549 ft (472 m) ... Map of Ohio showing Interurban Railways c. 1907 Ohio welcome sign in 2019.

  4. Track geometry - Wikipedia

    en.wikipedia.org/wiki/Track_geometry

    The third type is reverse curve which comprises two or more simple curves that has the opposite direction of curvature (sometime known as "S" curve or serpentine curve). [ 3 ] [ 4 ] In Australia, there is a special definition for a bend (or a horizontal bend ) which is a connection between two tangent tracks at almost 180 degrees (with ...

  5. Topographic prominence - Wikipedia

    en.wikipedia.org/wiki/Topographic_prominence

    When the key col for a peak is close to the peak itself, prominence is easily computed by hand using a topographic map. However, when the key col is far away, or when one wants to calculate the prominence of many peaks at once, software can apply surface network modeling to a digital elevation model to find exact or approximate key cols. [8] [9]

  6. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    Gradients are expressed as a ratio of vertical rise to horizontal distance; for example, a 1% gradient (1 in 100) means the track rises 1 vertical unit for every 100 horizontal units. On such a gradient, a locomotive can pull half (or less) of the load that it can pull on level track.

  7. Topographic map - Wikipedia

    en.wikipedia.org/wiki/Topographic_map

    Sergeant Chris D. Washington checking his Topographic map during a morning deer hunt in Kilgore, Texas A topographic map of Stowe, Vermont with contour lines Part of the same map in a perspective shaded relief view illustrating how the contour lines follow the terrain Sheet #535 (2013 version; second digital edition) of MTN50 Spanish National Topographic map series, covering Algete town (near ...

  8. File:1815 map of Ohio by Bourne & Hough r.jpg - Wikipedia

    en.wikipedia.org/wiki/File:1815_map_of_Ohio_by...

    This large and detailed map of Ohio shows rapid progress of the township grid from the original surveys in the eastern part of the state in the 1790s. Hough & Bourne's map of Ohio is the second large format map of Ohio (after Mansfield's map of 1807, which measures 30 x 22 inches) and a large format landmark in the history of the mapping of the ...

  9. Height above mean sea level - Wikipedia

    en.wikipedia.org/wiki/Height_above_mean_sea_level

    Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level varies in different countries due to different reference points and historic measurement periods.