Field assessments on the impact of CO2 concentration fluctuations along with complex-terrain flows on the estimation of the net ecosystem exchange of temperate forests
Dexiong Teng,Jiaojun Zhu,Tian Gao,Fengyuan Yu,Yuan Zhu,Xinhua Zhou,and Bai Yang
Dexiong Teng
CAS Key Laboratory of Forest Ecology and Silviculture, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110000, China
Qingyuan Forest CERN, National Observation and Research Station, Liaoning Province, Shenyang 110016, China
CAS Key Laboratory of Forest Ecology and Silviculture, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110000, China
Qingyuan Forest CERN, National Observation and Research Station, Liaoning Province, Shenyang 110016, China
CAS–CSI Joint Laboratory of Research and Development for Monitoring Forest Fluxes of Trace Gases and Isotope Elements, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
CAS Key Laboratory of Forest Ecology and Silviculture, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110000, China
Qingyuan Forest CERN, National Observation and Research Station, Liaoning Province, Shenyang 110016, China
CAS–CSI Joint Laboratory of Research and Development for Monitoring Forest Fluxes of Trace Gases and Isotope Elements, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
Fengyuan Yu
CAS Key Laboratory of Forest Ecology and Silviculture, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110000, China
Qingyuan Forest CERN, National Observation and Research Station, Liaoning Province, Shenyang 110016, China
Yuan Zhu
CAS Key Laboratory of Forest Ecology and Silviculture, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110000, China
Qingyuan Forest CERN, National Observation and Research Station, Liaoning Province, Shenyang 110016, China
Xinhua Zhou
CAS–CSI Joint Laboratory of Research and Development for Monitoring Forest Fluxes of Trace Gases and Isotope Elements, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
Campbell Scientific, Inc., Logan, Utah 84321, USA
Bai Yang
Campbell Scientific, Inc., Logan, Utah 84321, USA
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Dense canopy weakens turbulent mixing, leading to significant CO2 storage (Fs), a key part of net ecosystem exchange (NEE) measured using eddy covariance. Gust-biased Fs measurements complicate NEE estimation in forests with complex terrain. We analyzed gust-induced CO2 fluctuations and their impact on Fs. Fs and its contribution to NEE can be explained by terrain complexity and turbulent mixing. This work highlights how gusts over complex terrain affect the Fs and NEE measurements.
Dense canopy weakens turbulent mixing, leading to significant CO2 storage (Fs), a key part of...
