Evaluation of Remotely Sensed Solar-Induced Fluorescence from OCO-2 as a Proxy for Productivity with the Forest Inventory Analysis Database
Subjectssolar-induced fluorescence; SIF; OCO-2; remote sensing; biomass; forests; carbon monitoring
The current imbalance of the carbon cycle on Earth has placed a need for research into the monitoring of carbon sinks and sources. At localized scales many methods exist which can be used to precisely monitor how carbon is entering and exiting a system. However, given the global environmental change the world may be facing, techniques for carbon monitoring on broader systems are necessary. Previously, remotely sensed data and the use of vegetation indices have been employed to monitor carbon fluxes from orbit. However, these techniques are not perfect. More recently, studies have evaluated the use of solar-induced fluorescence as a more direct method for carbon monitoring. This study seeks to continue this evaluation by comparing data from the Orbiting Carbon Observatory 2 satellite to field sampled data from the U.S. Forest Service. The results indicate a possible variance in accuracy across biomes; however, these results could be due to the comparison between production and productivity.
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