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Silva Fennica 1926-1997
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Articles by G. Skråmo

Category: Article

article id 7598, category Article
T. Eriksson, G. Nilsson, G. Skråmo. (1978). The Inter-Nordic project of terrain and machines 1972-1975. Acta Forestalia Fennica no. 164 article id 7598. https://doi.org/10.14214/aff.7598

The paper is the final report of the Inter-Nordic Terrain-machine Project (1972–1975). It deals with the requirements for a terrain classification for forestry, its factors and classes, and presents a terrain classification.

The mechanization of hauling, which took place in the field of forestry in the 1950's, added to the need for a terrain classification. Different terrain classifications based on different terrain factors have been developed in many countries. In the meeting of IUFRO Section 32 held in Montreal in 1964, it was found that a general system was needed for measuring and describing those terrain conditions having a significant influence on forest operations. The requirements for such a classification system are given in the paper. Because some of the requirements are contradictory, the classification must be a compromise. The most important factors from the forestry point of view are presented in the article.

The terrain classification presented in this report consists of two stages. The first stage is a primary terrain classification, in which terrain factors are measured or described objectively. The second is a secondary descriptive classification. Only factors essential to the activity in question are taken into account. After this, in a secondary functional stage, the requirements of the employer of the system, e.g., working method, machines etc., are also taken into account.

The PDF includes a summary in Finnish.

  • Eriksson, ORCID ID:E-mail:
  • Nilsson, ORCID ID:E-mail:
  • Skråmo, ORCID ID:E-mail:

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