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  • The spectrometer system mounted atop a tower in a subalpine conifer forest at Niwot Ridge, Colorado, collected data between June 2017 and June 2018. The scientists compared the solar-induced fluorescence (SIF) measured by the system to the physiological changes inside the conifer needles to better understand why we see SIF seasonal cycles.
    Troy Magney
    The spectrometer system mounted atop a tower in a subalpine conifer forest at Niwot Ridge, Colorado, collected data between June 2017 and June 2018. The scientists compared the solar-induced fluorescence (SIF) measured by the system to the physiological changes inside the conifer needles to better understand why we see SIF seasonal cycles.
  • The seasonal dynamics of the solar-induced fluorescence (SIF, red line) closely tracks the cumulative daily Gross Primary Production (GPP, black line) in the conifer forest at Niwot Ridge, Colorado.
    Adapted from Magney et. al. PNAS (2019)
    The seasonal dynamics of the solar-induced fluorescence (SIF, red line) closely tracks the cumulative daily Gross Primary Production (GPP, black line) in the conifer forest at Niwot Ridge, Colorado.
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