Search Results

• • 3 

    Academic Journals

  • Sort by: sorttype.publication.date.desc Newest sorttype.publication.date.asc Oldest sorttype.relevance Relevance

• Carbon balance of a Finnish bog: temporal variability and limiting factors based on 6 years of eddy-covariance data.

  Authors:Pavel Alekseychik, Aino Korrensalo, Ivan Mammarella, Samuli Launiainen, Eeva-Stiina Tuittila, Ilkka Korpela, et al.From:Biogeosciences (Vol. 18, Issue 16) Peer-Reviewed

  Aug. 17, 2021445 words Article Pristine boreal mires are known as substantial sinks of carbon dioxide (CO.sub.2) and net emitters of methane (CH.sub.4). Bogs constitute a major fraction of pristine boreal mires. However, the bog CO.sub.2 and CH.sub.4...

• Effects of imaging conditions on crown diameter measurements from high-resolution aerial images

  Authors:Antti Makinen, Ilkka Korpela, Timo Tokola, and Annika KangasFrom:Canadian Journal of Forest Research (Vol. 36, Issue 5) Peer-Reviewed

  May 20066,215 words Article 1670LAbstract: Imaging geometry, the structure of the forest, and certain tree properties can cause inaccuracy in image measurements of the crown dimensions of individual trees. Measurement error of the crown diameter was...

• Eddies in motion: visualizing boundary-layer turbulence above an open boreal peatland using UAS thermal videos.

  Authors:Pavel Alekseychik, Gabriel Katul, Ilkka Korpela, and Samuli LauniainenFrom:Atmospheric Measurement Techniques (Vol. 14, Issue 5) Peer-Reviewed

  May 18, 2021251 words Brief article High-resolution thermal infrared (TIR) imaging is opening up new vistas in biosphere-atmosphere heat exchange studies. The rapidly developing unmanned aerial systems (UASs) and specially designed cameras offer...