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Efficient Sampling Grids for Timber Cruises
Author(s) -
John R. Brooks,
Harry V. Wiant
Publication year - 2004
Publication title -
northern journal of applied forestry
Language(s) - English
Resource type - Journals
eISSN - 1938-3762
pISSN - 0742-6348
DOI - 10.1093/njaf/21.2.80
Subject(s) - square tiling , grid , square (algebra) , sampling (signal processing) , forest inventory , grid cell , property (philosophy) , vehicle miles of travel , environmental science , statistics , computer science , mathematics , geometry , transport engineering , engineering , telecommunications , forest management , agroforestry , philosophy , epistemology , detector
Equations are provided to permit forest inventory specialists to quantitatively estimate the total field inventory travel distance, and thus time, based solely on inputs of property size, the number of inventory samples desired, and the type of systematic grid employed. Total inventorytravel time is estimated for square and varying rectangular grid spacings for property sizes from 100 to 10,000 ac to estimate the time savings for rectangular grids over square grid patterns for the same number of inventory samples.

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