Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model
Rising atmospheric CO2 concentration ([CO2]) enhances photosynthesis and reduces transpiration at the leaf, ecosystem, and global scale via the CO2 fertilization effect. The CO2 fertilization effect is among the most important processes for predicting the terrestrial carbon budget and future climate...
| Autores principales: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
IOP Publishing
2020
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/125068 |
| _version_ | 1855518841529958400 |
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| author | Ueyama, M. Ichii, Kazuhito Kobayashi, H. Kumagai, T. Beringer, J. Merbold, Lutz Euskirchen, E. Hirano, T. Belelli, M.L. Baldocchi, D. Taku, S. Mizoguchi, Y. Ono, K. Joon, K. Varlagin, Andrej Kang, M. Shimizu, T. Kosugi, Y. Bret-Harte, M. Machimura, T. Matsuura, Y. Ohta, T. Takagi, K. Takanashi, S. Yasuda, Y. |
| author_browse | Baldocchi, D. Belelli, M.L. Beringer, J. Bret-Harte, M. Euskirchen, E. Hirano, T. Ichii, Kazuhito Joon, K. Kang, M. Kobayashi, H. Kosugi, Y. Kumagai, T. Machimura, T. Matsuura, Y. Merbold, Lutz Mizoguchi, Y. Ohta, T. Ono, K. Shimizu, T. Takagi, K. Takanashi, S. Taku, S. Ueyama, M. Varlagin, Andrej Yasuda, Y. |
| author_facet | Ueyama, M. Ichii, Kazuhito Kobayashi, H. Kumagai, T. Beringer, J. Merbold, Lutz Euskirchen, E. Hirano, T. Belelli, M.L. Baldocchi, D. Taku, S. Mizoguchi, Y. Ono, K. Joon, K. Varlagin, Andrej Kang, M. Shimizu, T. Kosugi, Y. Bret-Harte, M. Machimura, T. Matsuura, Y. Ohta, T. Takagi, K. Takanashi, S. Yasuda, Y. |
| author_sort | Ueyama, M. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Rising atmospheric CO2 concentration ([CO2]) enhances photosynthesis and reduces transpiration at the leaf, ecosystem, and global scale via the CO2 fertilization effect. The CO2 fertilization effect is among the most important processes for predicting the terrestrial carbon budget and future climate, yet it has been elusive to quantify. For evaluating the CO2 fertilization effect on land photosynthesis and transpiration, we developed a technique that isolated this effect from other confounding effects, such as changes in climate, using a noisy time series of observed land-atmosphere CO2 and water vapor exchange. Here, we evaluate the magnitude of this effect from 2000 to 2014 globally based on constraint optimization of gross primary productivity (GPP) and evapotranspiration in a canopy photosynthesis model over 104 global eddy-covariance stations. We found a consistent increase of GPP (0.138 ± 0.007% ppm−1; percentile per rising ppm of [CO2]) and a concomitant decrease in transpiration (−0.073% ± 0.006% ppm−1) due to rising [CO2]. Enhanced GPP from CO2 fertilization after the baseline year 2000 is, on average, 1.2% of global GPP, 12.4 g C m−2 yr−1 or 1.8 Pg C yr−1 at the years from 2001 to 2014. Our result demonstrates that the current increase in [CO2] could potentially explain the recent land CO2 sink at the global scale. |
| format | Journal Article |
| id | CGSpace125068 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2020 |
| publishDateRange | 2020 |
| publishDateSort | 2020 |
| publisher | IOP Publishing |
| publisherStr | IOP Publishing |
| record_format | dspace |
| spelling | CGSpace1250682025-08-15T13:21:22Z Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model Ueyama, M. Ichii, Kazuhito Kobayashi, H. Kumagai, T. Beringer, J. Merbold, Lutz Euskirchen, E. Hirano, T. Belelli, M.L. Baldocchi, D. Taku, S. Mizoguchi, Y. Ono, K. Joon, K. Varlagin, Andrej Kang, M. Shimizu, T. Kosugi, Y. Bret-Harte, M. Machimura, T. Matsuura, Y. Ohta, T. Takagi, K. Takanashi, S. Yasuda, Y. climate change co2 fertilization effect photosynthesis evapotranspiration Rising atmospheric CO2 concentration ([CO2]) enhances photosynthesis and reduces transpiration at the leaf, ecosystem, and global scale via the CO2 fertilization effect. The CO2 fertilization effect is among the most important processes for predicting the terrestrial carbon budget and future climate, yet it has been elusive to quantify. For evaluating the CO2 fertilization effect on land photosynthesis and transpiration, we developed a technique that isolated this effect from other confounding effects, such as changes in climate, using a noisy time series of observed land-atmosphere CO2 and water vapor exchange. Here, we evaluate the magnitude of this effect from 2000 to 2014 globally based on constraint optimization of gross primary productivity (GPP) and evapotranspiration in a canopy photosynthesis model over 104 global eddy-covariance stations. We found a consistent increase of GPP (0.138 ± 0.007% ppm−1; percentile per rising ppm of [CO2]) and a concomitant decrease in transpiration (−0.073% ± 0.006% ppm−1) due to rising [CO2]. Enhanced GPP from CO2 fertilization after the baseline year 2000 is, on average, 1.2% of global GPP, 12.4 g C m−2 yr−1 or 1.8 Pg C yr−1 at the years from 2001 to 2014. Our result demonstrates that the current increase in [CO2] could potentially explain the recent land CO2 sink at the global scale. 2020-08-01 2022-10-18T05:47:13Z 2022-10-18T05:47:13Z Journal Article https://hdl.handle.net/10568/125068 en Open Access IOP Publishing Ueyama, M., Ichii, K., Kobayashi, H., Kumagai, T., Beringer, J., Merbold, L., Euskirchen, E., Hirano, T., Belelli Marchesini, L., Baldocchi, D., Taku, S., Mizoguchi, Y., Ono, K., Joon, K., Varlagin, A.., Kang, M., Shimizu, T., Kosugi, Y., Bret-Harte, M., Machimura, T., Matsuura, Y., Ohta, T., Takagi, K., Takanashi, S. and Yasuda, Y. 2020. Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model. Environmental Research Letters 15(8): 084009. |
| spellingShingle | climate change co2 fertilization effect photosynthesis evapotranspiration Ueyama, M. Ichii, Kazuhito Kobayashi, H. Kumagai, T. Beringer, J. Merbold, Lutz Euskirchen, E. Hirano, T. Belelli, M.L. Baldocchi, D. Taku, S. Mizoguchi, Y. Ono, K. Joon, K. Varlagin, Andrej Kang, M. Shimizu, T. Kosugi, Y. Bret-Harte, M. Machimura, T. Matsuura, Y. Ohta, T. Takagi, K. Takanashi, S. Yasuda, Y. Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model |
| title | Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model |
| title_full | Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model |
| title_fullStr | Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model |
| title_full_unstemmed | Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model |
| title_short | Inferring CO2 fertilization effect based on global monitoring land-atmosphere exchange with a theoretical model |
| title_sort | inferring co2 fertilization effect based on global monitoring land atmosphere exchange with a theoretical model |
| topic | climate change co2 fertilization effect photosynthesis evapotranspiration |
| url | https://hdl.handle.net/10568/125068 |
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