| YU Tan,HE Yijun,YAN Xiaohai. 2013. Global air-sea surface carbon dioxide transfer velocity and flux estimated using 17 a altimeter data and a new algorithm. Acta Oceanologica Sinica, 32(10):24－33 |
| Global air-sea surface carbon dioxide transfer velocity and flux estimated using 17 a altimeter data and a new algorithm |
| Global air-sea surface carbon dioxide transfer velocity and flux estimated using 17 a altimeter data and a new algorithm |
| Received:September 10, 2012 Revised:December 27, 2012 |
| DOI：10.1007/s13131-013-0362-9 |
| Key words:altimeter remote sensing sea surface carbon dioxide transfer velocity carbon dioxide flux |
| 中文关键词: altimeter remote sensing sea surface carbon dioxide transfer velocity carbon dioxide flux |
| 基金项目:The Public Science and Technology Research Funds Projects of Ocean of State Oceanic Administration People's Republic of China under contract No.200905012;a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions of China. |
| Author Name | Affiliation | E-mail | | YU Tan | Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
University of Chinese Academy of Sciences, Beijing 100049, China
School of Marine Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China
Key Laboratory of Chinese Academy of Sciences for Ocean Circulation and Waves(KLOCAW), Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China | | | HE Yijun | School of Marine Sciences, Nanjing University of Information Science and Technology, Nanjing 210044, China | yjhe@nuist.edu.cn | | YAN Xiaohai | Center for Remote Sensing, University of Delaware, Newark, DE 19716, USA | |
|
| Hits: 1463 |
| Download times: 1971 |
| Abstract: |
| The global distributions of the air-sea CO2 transfer velocity and flux are retrieved from TOPEX/Poseidon and Jason altimeter data from October 1992 to December 2009 using a combined algorithm.The 17 a average global,area-weighted,Schmidt number-corrected mean gas transfer velocity is 21.26 cm/h,and the full exploration of the uncertainty of this estimate awaits further data.The average total CO2 flux(calculated by carbon)from atmosphere to ocean during the 17 a was 2.58 Pg/a.The highest transfer velocity is in the circumpolar current area,because of constant high wind speeds and currents there.This results in strong CO2 fluxes.CO2 fluxes are strong but opposite direction in the equatorial east Pacific Ocean,because the air-sea CO2 partial pressure difference is the largest in the global oceans.The results differ from the previous studies calculated using the wind speed.It is demonstrated that the air-sea transfer velocity is very important for estimating air-sea CO2 flux.It is critical to have an accurate estimation for improving calculation of CO2 flux within climate change studies. |
| 中文摘要: |
| The global distributions of the air-sea CO2 transfer velocity and flux are retrieved from TOPEX/Poseidon and Jason altimeter data from October 1992 to December 2009 using a combined algorithm.The 17 a average global,area-weighted,Schmidt number-corrected mean gas transfer velocity is 21.26 cm/h,and the full exploration of the uncertainty of this estimate awaits further data.The average total CO2 flux(calculated by carbon)from atmosphere to ocean during the 17 a was 2.58 Pg/a.The highest transfer velocity is in the circumpolar current area,because of constant high wind speeds and currents there.This results in strong CO2 fluxes.CO2 fluxes are strong but opposite direction in the equatorial east Pacific Ocean,because the air-sea CO2 partial pressure difference is the largest in the global oceans.The results differ from the previous studies calculated using the wind speed.It is demonstrated that the air-sea transfer velocity is very important for estimating air-sea CO2 flux.It is critical to have an accurate estimation for improving calculation of CO2 flux within climate change studies. |
|
HTML
View Full Text
View/Add Comment Download reader |
| Close |
|
|
|
