Evaluating aerosol direct radiative effects on global terrestrial ecosystem carbon dynamics from 2003 to 2010
An integrated terrestrial ecosystem model and an atmospheric radiative transfer module are developed and applied to evaluate aerosol direct radiative effects on carbon dynamics of global terrestrial ecosystems during 2003–2010. The Moderate-Resolution Imaging Spectroradiometer measurements of key at...
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| Format: | Article |
| Language: | English |
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Stockholm University Press
2014-05-01
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| Series: | Tellus: Series B, Chemical and Physical Meteorology |
| Subjects: | |
| Online Access: | http://www.tellusb.net/index.php/tellusb/article/download/21808/pdf_1 |
| _version_ | 1811301149373890560 |
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| author | Min Chen Qianlai Zhuang |
| author_facet | Min Chen Qianlai Zhuang |
| author_sort | Min Chen |
| collection | DOAJ |
| description | An integrated terrestrial ecosystem model and an atmospheric radiative transfer module are developed and applied to evaluate aerosol direct radiative effects on carbon dynamics of global terrestrial ecosystems during 2003–2010. The Moderate-Resolution Imaging Spectroradiometer measurements of key atmosphere parameters have been used to quantify aerosol effects on downward solar radiation. Simulations with and without considering the aerosol loadings show that aerosol affects terrestrial ecosystem carbon dynamics through the effects on plant phenology, thermal and hydrological conditions as well as solar radiation. The simulations also show that aerosol enhances the terrestrial gross primary production by 4.9 Pg C yr−1, the net primary production by 3.8 Pg C yr−1, the net ecosystem production by 3.9 Pg C yr−1, and the plant respiration by 1.1 Pg C yr−1 during the period. The aerosol loading at a magnitude of 0.1 Pg C yr−1 reduces ecosystem heterotrophic respiration. These results support previous findings of the positive effects of aerosol light scattering on plant production, but suggest there is a strong spatial variation due to cloud cover. This study suggests that both direct and indirect aerosol radiative effects through aerosol–cloud interactions should be considered to quantify the global carbon cycle. |
| first_indexed | 2024-04-13T07:03:46Z |
| format | Article |
| id | doaj.art-d8dfc65f05a944ac836cc2b1280abd1f |
| institution | Directory Open Access Journal |
| issn | 1600-0889 |
| language | English |
| last_indexed | 2024-04-13T07:03:46Z |
| publishDate | 2014-05-01 |
| publisher | Stockholm University Press |
| record_format | Article |
| series | Tellus: Series B, Chemical and Physical Meteorology |
| spelling | doaj.art-d8dfc65f05a944ac836cc2b1280abd1f2022-12-22T02:57:03ZengStockholm University PressTellus: Series B, Chemical and Physical Meteorology1600-08892014-05-0166011910.3402/tellusb.v66.2180821808Evaluating aerosol direct radiative effects on global terrestrial ecosystem carbon dynamics from 2003 to 2010Min Chen0Qianlai Zhuang1 Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN, USA Department of Earth, Atmospheric, and Planetary Sciences, Purdue University, West Lafayette, IN, USAAn integrated terrestrial ecosystem model and an atmospheric radiative transfer module are developed and applied to evaluate aerosol direct radiative effects on carbon dynamics of global terrestrial ecosystems during 2003–2010. The Moderate-Resolution Imaging Spectroradiometer measurements of key atmosphere parameters have been used to quantify aerosol effects on downward solar radiation. Simulations with and without considering the aerosol loadings show that aerosol affects terrestrial ecosystem carbon dynamics through the effects on plant phenology, thermal and hydrological conditions as well as solar radiation. The simulations also show that aerosol enhances the terrestrial gross primary production by 4.9 Pg C yr−1, the net primary production by 3.8 Pg C yr−1, the net ecosystem production by 3.9 Pg C yr−1, and the plant respiration by 1.1 Pg C yr−1 during the period. The aerosol loading at a magnitude of 0.1 Pg C yr−1 reduces ecosystem heterotrophic respiration. These results support previous findings of the positive effects of aerosol light scattering on plant production, but suggest there is a strong spatial variation due to cloud cover. This study suggests that both direct and indirect aerosol radiative effects through aerosol–cloud interactions should be considered to quantify the global carbon cycle.http://www.tellusb.net/index.php/tellusb/article/download/21808/pdf_1aerosolcarbon dynamicsterrestrial ecosystem model |
| spellingShingle | Min Chen Qianlai Zhuang Evaluating aerosol direct radiative effects on global terrestrial ecosystem carbon dynamics from 2003 to 2010 Tellus: Series B, Chemical and Physical Meteorology aerosol carbon dynamics terrestrial ecosystem model |
| title | Evaluating aerosol direct radiative effects on global terrestrial ecosystem carbon dynamics from 2003 to 2010 |
| title_full | Evaluating aerosol direct radiative effects on global terrestrial ecosystem carbon dynamics from 2003 to 2010 |
| title_fullStr | Evaluating aerosol direct radiative effects on global terrestrial ecosystem carbon dynamics from 2003 to 2010 |
| title_full_unstemmed | Evaluating aerosol direct radiative effects on global terrestrial ecosystem carbon dynamics from 2003 to 2010 |
| title_short | Evaluating aerosol direct radiative effects on global terrestrial ecosystem carbon dynamics from 2003 to 2010 |
| title_sort | evaluating aerosol direct radiative effects on global terrestrial ecosystem carbon dynamics from 2003 to 2010 |
| topic | aerosol carbon dynamics terrestrial ecosystem model |
| url | http://www.tellusb.net/index.php/tellusb/article/download/21808/pdf_1 |
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