Browsing Institutt for biovitenskap by Author "Yang, Hong"
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Li, Xian; Zhao, Shuhe; Yang, Hong; Cong, Dianmin; Zhang, Zhaohua (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)Land use and cover change (LUCC) is important for the global biogeochemical cycle and ecosystem. This paper introduced a change detection method based on a bi-band binary mask and an improved fuzzy c-means algorithm to ...
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Yang, Hong; Andersen, Tom; Dörsch, Peter; Tominaga, Koji; Thrane, Jan-Erik; Hessen, Dag Olav (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)Boreal lakes are important net sources of greenhouse gases (GHGs). In this study we analyzed concentrations of CO2, CH4, N2O as well as O2, N2 and argon (Ar) from the epilimnion of 75 boreal lakes covering gradients in ...
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Zhu, Xiaobo; Ma, Mingguo; Yang, Hong; Ge, Wei (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)Nighttime light data derived from the Defense Meteorological Satellite Program’s Operational Linescan System (DMSP-OLS) in conjunction with the Soumi National Polar-Orbiting Partnership Visible Infrared Imaging Radiometer ...
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Zhao, Shuhe; Cong, Dianmin; He, Kexun; Yang, Hong; Qin, Zhihao (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)Droughts cause huge losses of society and environment, therefore it is important to study the spatial-temporal pattern of drought. The traditional remote sensing drought indices (AVI, VCI and TCI) only consider the single ...
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Liu, Junguo; Kattel, Giri R.; Arp, Hans Petter Heinrich; Yang, Hong (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)Climate change is an increasing threat to freshwater ecosystem goods and services. We review recent research regarding the direct and indirect impacts of climate change on freshwater ecosystems and the severity of their ...