| WANG Caixia,LAN Jian,WANG Gang. 2013. Climatology and seasonal variability of theMindanao Undercurrent based on OFES data. Acta Oceanologica Sinica, 32(7):14－20 |
| Climatology and seasonal variability of theMindanao Undercurrent based on OFES data |
| Climatology and seasonal variability of theMindanao Undercurrent based on OFES data |
| Received:March 21, 2012 Revised:September 26, 2012 |
| DOI：10.1007/s13131-013-0327-z |
| Key words:Mindanao Undercurrent southern Pacific tropical water Antarctic intermediate water |
| 中文关键词: Mindanao Undercurrent southern Pacific tropical water Antarctic intermediate water |
| 基金项目:The Major Project of the National Natural Science Foundation of China under contract No. 40890152; the National Basic Research Program of China under contract No. 2012CB417404; National Natural Science Foundation of China under contract Nos 41221063 and 41130859. |
| Author Name | Affiliation | E-mail | | WANG Caixia | College of Physical and Environment Oceanography, Ocean University of China, Qingdao 266100, China | | | LAN Jian | College of Physical and Environment Oceanography, Ocean University of China, Qingdao 266100, China
Physical Oceanography Laboratory, Ocean University of China, Qingdao, 266100, China | lanjian@ouc.edu.cn | | WANG Gang | College of Physical and Environment Oceanography, Ocean University of China, Qingdao 266100, China | |
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| Abstract: |
| The simulation of an ocean general circulation model for the earth simulator (OFES) is transformed to an isopycnal coordinate to investigate the spatial structure and seasonal variability of the Mindanao Undercurrent (MUC). The results show that (1) potential density surfaces, σθ=26.5 and σθ=27.5, can be chosen to encompass theMUC layer. Southern Pacific tropicalwater (SPTW), Antarctic IntermediateWater (AAIW) and high potential density water (HPDW) constitute the MUC. (2) Climatologically, the MUC exists in the formof dual-core. In somemonths, the dual-core structure changes to a single-core structure. (3) Choosing section at 8°N for calculating the transport of the MUC transport is reliable. Potential density constraint provides a good method for calculating the transport of the MUC. (4) The annual mean transport of the MUC is 8.34×106 m3/s and varies considerably with seasons: stronger in late spring and weaker in winter. |
| 中文摘要: |
| The simulation of an ocean general circulation model for the earth simulator (OFES) is transformed to an isopycnal coordinate to investigate the spatial structure and seasonal variability of the Mindanao Undercurrent (MUC). The results show that (1) potential density surfaces, σθ=26.5 and σθ=27.5, can be chosen to encompass theMUC layer. Southern Pacific tropicalwater (SPTW), Antarctic IntermediateWater (AAIW) and high potential density water (HPDW) constitute the MUC. (2) Climatologically, the MUC exists in the formof dual-core. In somemonths, the dual-core structure changes to a single-core structure. (3) Choosing section at 8°N for calculating the transport of the MUC transport is reliable. Potential density constraint provides a good method for calculating the transport of the MUC. (4) The annual mean transport of the MUC is 8.34×106 m3/s and varies considerably with seasons: stronger in late spring and weaker in winter. |
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