Accuracy and precision of two laser dendrometers | Zendy

Jens Peter Skovsgaard | Zendy; Vivian Kvist Johannsen | Zendy; Jerome K. Vanclay | Zendy

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Accuracy and precision of two laser dendrometers

Author(s) -

Jens Peter Skovsgaard,

Vivian Kvist Johannsen,

Jerome K. Vanclay

Publication year - 1998

Publication title -

forestry an international journal of forest research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.747

H-Index - 63

eISSN - 1464-3626

pISSN - 0015-752X

DOI - 10.1093/forestry/71.2.131

Subject(s) - accuracy and precision , laser , field (mathematics) , calibration , remote sensing , computer science , measuring instrument , optics , statistics , physics , geography , mathematics , pure mathematics , thermodynamics

Summary Two commercial laser dendrometers were tested under controlled and field conditions, and contrasted with alternative instruments. Testing focused on height measurement, but also considered distance and remote diameter measurements. Both laser instruments gave very precise estimates, but showed some bias. Users of these and otherhigh-tech' instruments are reminded that precision is not synonymous with accuracy. Users should not become complacent about the sub-millimetre readout, but should calibrate instruments to examine if users' accuracy requirements are satisfied. Instruments may need to be re-calibrated each measurement season and after any mishandling.

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