Finn caliper
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| − | The Finn caliper (also called Finnish parabolic caliper) is used to measure the stem diameters at (or up to) 7 m (d7m). Figure | + | [[File:2.2.3.1-fig10.png|left|thumb|'''Figure 1''' The Finn caliper: fixed on a pole the tree diameter can be read up to a height of 7m (Keller 2005<ref name="keller2005">Keller M. (ed.). 2005. Schweizerisches Landesforstinventar. Anleitung für die Feldaufnahmen der Erhebung 2004-2007</ref>).]] |
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| + | The Finn caliper (also called Finnish parabolic caliper) is used to measure the stem diameters at (or up to) 7 m (d7m). Figure 1 gives an illustration. By its name, it is originally from Finland and is being used in Northern European countries as well as in Germany and Switzerland. With pole and caliper, the height of 7 m has been found to be the maximum still manageable one; that is, it had been defined for practical reasons only. | ||
The Finn caliper is relatively difficult to carry in the forest because the device consists of several calipers and various poles that are put together for the measurement. | The Finn caliper is relatively difficult to carry in the forest because the device consists of several calipers and various poles that are put together for the measurement. | ||
Revision as of 17:48, 17 February 2011
Forest mensuration lecture notes
The Finn caliper (also called Finnish parabolic caliper) is used to measure the stem diameters at (or up to) 7 m (d7m). Figure 1 gives an illustration. By its name, it is originally from Finland and is being used in Northern European countries as well as in Germany and Switzerland. With pole and caliper, the height of 7 m has been found to be the maximum still manageable one; that is, it had been defined for practical reasons only.
The Finn caliper is relatively difficult to carry in the forest because the device consists of several calipers and various poles that are put together for the measurement.
Cite error:
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