id author title date pages extension mime words sentences flesch summary cache txt work_dfftfz35kjgfbmbrphkikioffq Maiju Linkosalmi Digital photography for assessing the link between vegetation phenology and CO2 exchange in two contrasting northern ecosystems 2016.0 10 .pdf application/pdf 7514 756 67 By using the green chromatic coordinate (GCC) as a greenness measure, we examined the feasibility of digital repeat photography for assessing the vegetation phenology in two contrasting high-latitude Thus digital repeat images of differentially developing vegetation types could potentially help decompose an integrated CO2 flux observation The objectives of this study were to (1) evaluate the digital repeat photography as a method for monitoring the phenology of boreal vegetation at high latitudes, (2) investigate The daily mean GCC values of different forest canopy Mean daytime (10:00–14:00, local winter time) GCC values of different ROIs from two forest cameras during the measurement period of May 2014 to October 2015. analysis, even though the GCC changes in forest were subtler than those observed for the wetland vegetation. At the forest site, the seasonal GCC cycle correlated well with the flux data in 2015 ./cache/work_dfftfz35kjgfbmbrphkikioffq.pdf ./txt/work_dfftfz35kjgfbmbrphkikioffq.txt