Publications
NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.
2016
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Lone RossAbstract
No abstract has been registered
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Paul Eric Aspholm Bjørn Frantzen Tor-Arne Bjørn Hallvard Jensen Lars Ola Nilsson Eva Narten HøbergAbstract
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Signe Nybø Hege Gundersen Kristian Hassel Knut Anders Hovstad Line Johansen Ken Olaf Storaunet Gro Ingleid van der MeerenAbstract
No abstract has been registered
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Knut Arne Smeland Kristian Hovde Liland Jakub Sandak Anna Sandak Lone Ross Thomas Kringlebotn Thiis Ingunn BurudAbstract
Untreated wooden surfaces degrade when exposed to natural weathering. In this study thin wood samples were studied for weather degradation effects utilising a hyperspectral camera in the near infrared wavelength range in transmission mode. Several sets of samples were exposed outdoors for time intervals from 0 days to 21 days, and one set of samples was exposed to ultraviolet (UV) radiation in a laboratory chamber. Spectra of earlywood and latewood were extracted from the hyperspectral image cubes using a principal component analysis-based masking algorithm. The degradation was modelled as a function of UV solar radiation with four regression techniques, partial least squares, principal component regression, Ridge regression and Tikhonov regression. It was found that all the techniques yielded robust prediction models on this dataset. The result from the study is a first step towards a weather dose model determined by temperature and moisture content on the wooden surface in addition to the solar radiation.
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Mohammad Tahir Waheed Muhammad Sameeullah Faheem Ahmed Khan Tahira Syed Manzoor Ilahi Johanna Gottschamel Andreas Günter LösslAbstract
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Nicholas ClarkeAbstract
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Kirsten TørresenAbstract
No abstract has been registered