| AZIZPOUR Jafar,CHEGINI Vahid,SIADATMOUSAVI Seyed Mostafa. 2017. Seasonal variation of the double diffusion processes at the Strait of Hormuz. Acta Oceanologica Sinica, 36(1):26－34 |
| Seasonal variation of the double diffusion processes at the Strait of Hormuz |
| Seasonal variation of the double diffusion processes at the Strait of Hormuz |
| Received:November 14, 2015 Revised:February 24, 2016 |
| DOI：10.1007/s13131-017-0990-6 |
| Key words:double diffusion diffusive convection salt fingering Turner angle Strait of Hormuz |
| 中文关键词: double diffusion diffusive convection salt fingering Turner angle Strait of Hormuz |
| 基金项目:The proieect of Iranian National Institute for Oceanography and Atmospheric Science (INIOAS) in the framework of PG-GOOS cruise under contract No. 391-021-01. |
| Author Name | Affiliation | E-mail | | AZIZPOUR Jafar | 1. Iranian National Institute for Oceanography and Atmospheric Science, Tehran 1411813389, Iran
2. Iran University of Science and Technology, Tehran 1684613114, Iran | azizpour@inio.ac.ir | | CHEGINI Vahid | 1. Iranian National Institute for Oceanography and Atmospheric Science, Tehran 1411813389, Iran
2. Iran University of Science and Technology, Tehran 1684613114, Iran | | | SIADATMOUSAVI Seyed Mostafa | 1. Iranian National Institute for Oceanography and Atmospheric Science, Tehran 1411813389, Iran
2. Iran University of Science and Technology, Tehran 1684613114, Iran | |
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| Abstract: |
| Profiles of salinity and temperature were measured in the strait of Hormuz (SH) during the winter of 2012, spring and summer of 2013. To investigate the double diffusion (DD) processes, Turner (TU) angle values are calculated in all the stations in the SH. Different TU angle values correspond to salt fingering (SF), diffusive convection (DC) and stable stratification. The distributions of the two forms of DD were plotted vertically along transects in the eastern, central and western part of the SH, and corresponding DD processes were described. The results show that both SF and DC occurred in most part of the study area. Two different water masses (the Indian Ocean surface water and the Persian Gulf water) were evident at the SH, and SF and DC were evident at the interface of two water masses. Due to evaporation, SF occurred in the surface layer of most Stations throughout the year. In the eastern part of the SH, occurrences of DC were more feasible in wintertime. SF was the main phenomenon at the end of hot season. For central part, SF occurred throughout the year in water column. In the western part, water column was stable in summer and DC happened in most part of water column in winter. |
| 中文摘要: |
| Profiles of salinity and temperature were measured in the strait of Hormuz (SH) during the winter of 2012, spring and summer of 2013. To investigate the double diffusion (DD) processes, Turner (TU) angle values are calculated in all the stations in the SH. Different TU angle values correspond to salt fingering (SF), diffusive convection (DC) and stable stratification. The distributions of the two forms of DD were plotted vertically along transects in the eastern, central and western part of the SH, and corresponding DD processes were described. The results show that both SF and DC occurred in most part of the study area. Two different water masses (the Indian Ocean surface water and the Persian Gulf water) were evident at the SH, and SF and DC were evident at the interface of two water masses. Due to evaporation, SF occurred in the surface layer of most Stations throughout the year. In the eastern part of the SH, occurrences of DC were more feasible in wintertime. SF was the main phenomenon at the end of hot season. For central part, SF occurred throughout the year in water column. In the western part, water column was stable in summer and DC happened in most part of water column in winter. |
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