2022
DOI: 10.1016/j.agrformet.2022.109046
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Attributing differences of solar-induced chlorophyll fluorescence (SIF)-gross primary production (GPP) relationships between two C4 crops: corn and miscanthus

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Cited by 20 publications
(8 citation statements)
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“…The above correlation values are based on the annually averaged data analysis from 2019 (see Table 2 ). It is noteworthy that the SIF-GPP relationship can become weak in certain environmental conditions such as drought (e.g., Shekhar et al [ 33 ]) and be variable within certain biomes based on leaf physiology (e.g., Wu et al [ 36 ]). However, a future study is needed to elucidate SIF-GPP relationships in India across different biomes in drought and wet conditions.…”
Section: Satellite-based Sif Observations Across Indian Biomesmentioning
confidence: 99%
“…The above correlation values are based on the annually averaged data analysis from 2019 (see Table 2 ). It is noteworthy that the SIF-GPP relationship can become weak in certain environmental conditions such as drought (e.g., Shekhar et al [ 33 ]) and be variable within certain biomes based on leaf physiology (e.g., Wu et al [ 36 ]). However, a future study is needed to elucidate SIF-GPP relationships in India across different biomes in drought and wet conditions.…”
Section: Satellite-based Sif Observations Across Indian Biomesmentioning
confidence: 99%
“…However, the variability of this relationship across various regions and growing seasons remains uncertain (Gu et al, 2019;, particularly in the context of agricultural ecosystems. Further, most previous studies (Guan et al, 2016;Sloat et al, 2021;Wu et al, 2022) investigating the connection between crop photosynthesis and SIF are limited to homogeneous crop areas worldwide by using satellite or ground-based SIF with flux tower GPP.…”
Section: 1029/2023jg007586mentioning
confidence: 99%
“…However, the variability of this relationship across various regions and growing seasons remains uncertain (Gu et al., 2019; X. Li, Xiao, et al., 2018), particularly in the context of agricultural ecosystems. Further, most previous studies (Guan et al., 2016; Sloat et al., 2021; S. Xu et al., 2021; Wu et al., 2022) investigating the connection between crop photosynthesis and SIF are limited to homogeneous crop areas worldwide by using satellite or ground‐based SIF with flux tower GPP. Earlier studies have also revealed that the variation in SIF signal at different spatial and temporal scales is largely attributable to the vegetation type, which has a direct correlation with the canopy structure (Turner et al., 2020; Wang et al., 2020).…”
Section: Introductionmentioning
confidence: 99%
“…SIF is a small amount of light energy that is reemitted from chlorophyll after the absorption of sunlight, and recent technological advances have allowed us to detect SIF from spaceborne platforms Guanter et al, 2007;Joiner et al, 2011). Although SIF, which is emitted during the light reactions of photosynthesis, is not a direct consequence of the fixation of CO 2 during the light-independent or dark reaction of photosynthesis (Chen et al, 2020;Porcar-Castell et al, 2021;G. Wu et al, 2022), SIF and photosynthesis can covary at larger spatial and temporal scales (Magney et al, 2020).…”
Section: Solar-induced Chlorophyll Fluorescencementioning
confidence: 99%
“…However, SIF is more related to APAR chl than GPP (G. Wu et al, 2022;, as the first-order determinant of SIF emission is the amount of sunlight that is absorbed by chlorophyll and changes in the amount of either directly and immediately impacts SIF. Leaf physiological processes also impact SIF by altering the proportion of the amount of APAR chl that is reemitted as fluorescence, or ΦF.…”
Section: Advantages Of Using Sif To Derive Apar Chlmentioning
confidence: 99%