Spatio‐Temporal Convergence of Maximum Daily Light‐Use Efficiency Based on Radiation Absorption by Canopy Chlorophyll
Abstract Light‐use efficiency (LUE), which quantifies the plants' efficiency in utilizing solar radiation for photosynthetic carbon fixation, is an important factor for gross primary production estimation. Here we use satellite‐based solar‐induced chlorophyll fluorescence as a proxy for photosy...
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| Format: | Article |
| Language: | English |
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Wiley
2018-04-01
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| Series: | Geophysical Research Letters |
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| Online Access: | https://doi.org/10.1029/2017GL076354 |
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| author | Yao Zhang Xiangming Xiao Sebastian Wolf Jin Wu Xiaocui Wu Beniamino Gioli Georg Wohlfahrt Alessandro Cescatti Christiaan van derTol Sha Zhou Christopher M. Gough Pierre Gentine Yongguang Zhang Rainer Steinbrecher Jonas Ardö |
| author_facet | Yao Zhang Xiangming Xiao Sebastian Wolf Jin Wu Xiaocui Wu Beniamino Gioli Georg Wohlfahrt Alessandro Cescatti Christiaan van derTol Sha Zhou Christopher M. Gough Pierre Gentine Yongguang Zhang Rainer Steinbrecher Jonas Ardö |
| author_sort | Yao Zhang |
| collection | DOAJ |
| description | Abstract Light‐use efficiency (LUE), which quantifies the plants' efficiency in utilizing solar radiation for photosynthetic carbon fixation, is an important factor for gross primary production estimation. Here we use satellite‐based solar‐induced chlorophyll fluorescence as a proxy for photosynthetically active radiation absorbed by chlorophyll (APARchl) and derive an estimation of the fraction of APARchl (fPARchl) from four remotely sensed vegetation indicators. By comparing maximum LUE estimated at different scales from 127 eddy flux sites, we found that the maximum daily LUE based on PAR absorption by canopy chlorophyll ( εmaxchl), unlike other expressions of LUE, tends to converge across biome types. The photosynthetic seasonality in tropical forests can also be tracked by the change of fPARchl, suggesting the corresponding εmaxchl to have less seasonal variation. This spatio‐temporal convergence of LUE derived from fPARchl can be used to build simple but robust gross primary production models and to better constrain process‐based models. |
| format | Article |
| id | doaj-art-4835dbfce7c8405c897e47d826f0471e |
| institution | OA Journals |
| issn | 0094-8276 1944-8007 |
| language | English |
| publishDate | 2018-04-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geophysical Research Letters |
| spelling | doaj-art-4835dbfce7c8405c897e47d826f0471e2025-08-20T02:25:28ZengWileyGeophysical Research Letters0094-82761944-80072018-04-014583508351910.1029/2017GL076354Spatio‐Temporal Convergence of Maximum Daily Light‐Use Efficiency Based on Radiation Absorption by Canopy ChlorophyllYao Zhang0Xiangming Xiao1Sebastian Wolf2Jin Wu3Xiaocui Wu4Beniamino Gioli5Georg Wohlfahrt6Alessandro Cescatti7Christiaan van derTol8Sha Zhou9Christopher M. Gough10Pierre Gentine11Yongguang Zhang12Rainer Steinbrecher13Jonas Ardö14Department of Microbiology and Plant Biology, Center for Spatial Analysis University of Oklahoma Norman OK USADepartment of Microbiology and Plant Biology, Center for Spatial Analysis University of Oklahoma Norman OK USADepartment of Environmental Systems Science ETH Zurich Zurich SwitzerlandBiological, Environmental and Climate Sciences Department Brookhaven National Lab Upton NY USADepartment of Microbiology and Plant Biology, Center for Spatial Analysis University of Oklahoma Norman OK USAInstitute of Biometeorology National Research Council Florence ItalyInstitute of Ecology University of Innsbruck Innsbruck AustriaDirectorate for Sustainable Resources Joint Research Centre, European Commission Ispra ItalyDepartment of Water Resources Faculty ITC, University of Twente Enschede NetherlandsState Key Laboratory of Hydroscience and Engineering, Department of Hydraulic Engineering Tsinghua University Beijing ChinaDepartment of Biology Virginia Commonwealth University Richmond VA USADepartment of Earth and Environmental Engineering Columbia University New York NY USAJiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, International Institute for Earth System Sciences Nanjing University Nanjing ChinaDepartment of Atmospheric Environmental Research Institute for Meteorology and Climate Research, Karlsruhe Institute of Technology Garmisch‐Partenkirchen GermanyPhysical Geography and Ecosystem Science Lund University Lund SwedenAbstract Light‐use efficiency (LUE), which quantifies the plants' efficiency in utilizing solar radiation for photosynthetic carbon fixation, is an important factor for gross primary production estimation. Here we use satellite‐based solar‐induced chlorophyll fluorescence as a proxy for photosynthetically active radiation absorbed by chlorophyll (APARchl) and derive an estimation of the fraction of APARchl (fPARchl) from four remotely sensed vegetation indicators. By comparing maximum LUE estimated at different scales from 127 eddy flux sites, we found that the maximum daily LUE based on PAR absorption by canopy chlorophyll ( εmaxchl), unlike other expressions of LUE, tends to converge across biome types. The photosynthetic seasonality in tropical forests can also be tracked by the change of fPARchl, suggesting the corresponding εmaxchl to have less seasonal variation. This spatio‐temporal convergence of LUE derived from fPARchl can be used to build simple but robust gross primary production models and to better constrain process‐based models.https://doi.org/10.1029/2017GL076354gross primary productivitysolar‐induced chlorophyll fluorescenceproduction efficiency modelsfraction of absorbed photosynthetic active radiationphotosynthetic capacityoptical vegetation activity indicator |
| spellingShingle | Yao Zhang Xiangming Xiao Sebastian Wolf Jin Wu Xiaocui Wu Beniamino Gioli Georg Wohlfahrt Alessandro Cescatti Christiaan van derTol Sha Zhou Christopher M. Gough Pierre Gentine Yongguang Zhang Rainer Steinbrecher Jonas Ardö Spatio‐Temporal Convergence of Maximum Daily Light‐Use Efficiency Based on Radiation Absorption by Canopy Chlorophyll Geophysical Research Letters gross primary productivity solar‐induced chlorophyll fluorescence production efficiency models fraction of absorbed photosynthetic active radiation photosynthetic capacity optical vegetation activity indicator |
| title | Spatio‐Temporal Convergence of Maximum Daily Light‐Use Efficiency Based on Radiation Absorption by Canopy Chlorophyll |
| title_full | Spatio‐Temporal Convergence of Maximum Daily Light‐Use Efficiency Based on Radiation Absorption by Canopy Chlorophyll |
| title_fullStr | Spatio‐Temporal Convergence of Maximum Daily Light‐Use Efficiency Based on Radiation Absorption by Canopy Chlorophyll |
| title_full_unstemmed | Spatio‐Temporal Convergence of Maximum Daily Light‐Use Efficiency Based on Radiation Absorption by Canopy Chlorophyll |
| title_short | Spatio‐Temporal Convergence of Maximum Daily Light‐Use Efficiency Based on Radiation Absorption by Canopy Chlorophyll |
| title_sort | spatio temporal convergence of maximum daily light use efficiency based on radiation absorption by canopy chlorophyll |
| topic | gross primary productivity solar‐induced chlorophyll fluorescence production efficiency models fraction of absorbed photosynthetic active radiation photosynthetic capacity optical vegetation activity indicator |
| url | https://doi.org/10.1029/2017GL076354 |
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