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Tobler's hiking function – walking speed vs. slope angle chart. Tobler's hiking function is an exponential function determining the hiking speed, taking into account the slope angle. [1] [2] [3] It was formulated by Waldo Tobler. This function was estimated from empirical data of Eduard Imhof. [4]
Tobler was an avid hiker, and combined this with his interest flow and movement to generate "Tobler's hiking function," also known as "Tobler’s walking rule." [ 46 ] [ 84 ] [ 85 ] In this research, Tobler used himself as a subject, and was published the results in a 1993 paper. [ 84 ]
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Pace [6] in minutes per kilometre or mile vs. slope angle resulting from Naismith's rule [7] for basal speeds of 5 and 4 km / h. [n 1]The original Naismith's rule from 1892 says that one should allow one hour per three miles on the map and an additional hour per 2000 feet of ascent.
This list is from the Database of British and Irish Hills ("DoBIH") in October 2018, and are peaks the DoBIH marks as being Wainwrights ("W"). [b] [13] DoBIH also updates the measurements as surveys are recorded, so these tables should not be amended unless the entire DoBIH data is re-downloaded; these measurements may differ slightly from the "By Book" section, which are from older sources.
Pages in category "Hiking" ... Tobler's hiking function; Trail; Trail blazing; Trail difficulty rating system; Trailblazer (travel) Transcontinental walk; V.
Similar is Balthasart with standard parallels at 50°N/S and Tobler’s world in a square with standard parallels around 55.66°N/S. c. 1850: Central cylindrical: Cylindrical Perspective (unknown) Practically unused in cartography because of severe polar distortion, but popular in panoramic photography, especially for architectural scenes.