GSTDTAP  > 气候变化
DOI10.1029/2020GL091247
Partitioning net ecosystem exchange (NEE) of CO2 using Solar‐Induced chlorophyll Fluorescence (SIF)
O. Kira; C. Y‐; Y. Chang; L. Gu; J. Wen; Z. Hong; Y. Sun
2021-01-25
发表期刊Geophysical Research Letters
出版年2021
英文摘要

Accurate partitioning of net ecosystem exchange (NEE) of CO2 to gross primary production (GPP) and ecosystem respiration (Reco) is crucial for understanding carbon cycle dynamics under changing climate. However, it remains as a long‐standing problem in global ecology due to lack of independent constraining information for the two offsetting component fluxes. Solar‐Induced chlorophyll Fluorescence (SIF), a mechanistic proxy for photosynthesis, holds great promise to improve NEE partitioning by constraining GPP. We developed a parsimonious SIF‐based approach for NEE partitioning and examined its performance using synthetic simulations and field measurements. This approach outperforms conventional approaches in reproducing simulated GPP and Reco, especially under high VPD. For field measurements, it results in lower daytime GPP and Reco than conventional approaches. This study made the first attempt to demonstrate SIF's potential for improving NEE partitioning accuracy and sets the stage for future efforts to examine its robustness and scalability under real‐world environmental conditions.

领域气候变化
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/313718
专题气候变化
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O. Kira,C. Y‐,Y. Chang,等. Partitioning net ecosystem exchange (NEE) of CO2 using Solar‐Induced chlorophyll Fluorescence (SIF)[J]. Geophysical Research Letters,2021.
APA O. Kira.,C. Y‐.,Y. Chang.,L. Gu.,J. Wen.,...&Y. Sun.(2021).Partitioning net ecosystem exchange (NEE) of CO2 using Solar‐Induced chlorophyll Fluorescence (SIF).Geophysical Research Letters.
MLA O. Kira,et al."Partitioning net ecosystem exchange (NEE) of CO2 using Solar‐Induced chlorophyll Fluorescence (SIF)".Geophysical Research Letters (2021).
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