Can the Topography of Tibetan Plateau Affect the Antarctic Bottom Water?
Abstract The Tibetan Plateau (TP) plays a vital role in shaping global climate. So far, however, few studies have focused on the impact of the TP on Southern Ocean (SO) circulation. Through fully coupled model experiments with and without the TP, we find that removing the TP could eventually enhance...
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| Format: | Article |
| Language: | English |
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Wiley
2021-03-01
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| Series: | Geophysical Research Letters |
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| Online Access: | https://doi.org/10.1029/2021GL092448 |
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| author | Qin Wen Chenyu Zhu Zixuan Han Zhengyu Liu Haijun Yang |
| author_facet | Qin Wen Chenyu Zhu Zixuan Han Zhengyu Liu Haijun Yang |
| author_sort | Qin Wen |
| collection | DOAJ |
| description | Abstract The Tibetan Plateau (TP) plays a vital role in shaping global climate. So far, however, few studies have focused on the impact of the TP on Southern Ocean (SO) circulation. Through fully coupled model experiments with and without the TP, we find that removing the TP could eventually enhance Antarctic bottom water (AABW) circulation by generating Rossby wave trains that propagate from the tropical Indo‐Pacific to Amundsen‐Bellingshausen Sea. The surface air temperature (SAT) cools over the Antarctic Peninsula, which then leads to increased brine injection and thus the initial enhancement of AABW. Later on, the increased horizontal salinity transport and oceanic vertical mixing over Bellingshausen Sea further strengthen the AABW. These findings imply that long term changes of AABW can be affected by not only local process but also remote forcing, including those from the Asian highland regions. |
| format | Article |
| id | doaj-art-a41f00a8c0944f8ca698f928df330037 |
| institution | DOAJ |
| issn | 0094-8276 1944-8007 |
| language | English |
| publishDate | 2021-03-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geophysical Research Letters |
| spelling | doaj-art-a41f00a8c0944f8ca698f928df3300372025-08-20T03:11:04ZengWileyGeophysical Research Letters0094-82761944-80072021-03-01486n/an/a10.1029/2021GL092448Can the Topography of Tibetan Plateau Affect the Antarctic Bottom Water?Qin Wen0Chenyu Zhu1Zixuan Han2Zhengyu Liu3Haijun Yang4School of Geography Key Laboratory of Virtual Geographic Environment(Nanjing Normal University) Ministry of Education Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application Nanjing ChinaKey Laboratory of Physical Oceanography Ocean University of China Open Studio for Ocean‐Climate‐Isotope Modeling Pilot National Laboratory for Marine Science and Technology Qingdao ChinaCollege of Oceanography/Key Laboratory of Marine Hazards Forecasting Ministry of Natural Resources/Key Laboratory of Ministry of Education for Coastal Disaster and Protection Hohai University Nanjing ChinaDepartment of Geography Ohio State University Columbus OH USADepartment of Atmospheric and Oceanic Sciences Institute of Atmospheric Science and CMA‐FDU Joint Laboratory of Marine Meteorology Fudan University Shanghai ChinaAbstract The Tibetan Plateau (TP) plays a vital role in shaping global climate. So far, however, few studies have focused on the impact of the TP on Southern Ocean (SO) circulation. Through fully coupled model experiments with and without the TP, we find that removing the TP could eventually enhance Antarctic bottom water (AABW) circulation by generating Rossby wave trains that propagate from the tropical Indo‐Pacific to Amundsen‐Bellingshausen Sea. The surface air temperature (SAT) cools over the Antarctic Peninsula, which then leads to increased brine injection and thus the initial enhancement of AABW. Later on, the increased horizontal salinity transport and oceanic vertical mixing over Bellingshausen Sea further strengthen the AABW. These findings imply that long term changes of AABW can be affected by not only local process but also remote forcing, including those from the Asian highland regions.https://doi.org/10.1029/2021GL092448Antarctic bottom waterBellingshausen SeaTibetan PlateauWeddell Sea |
| spellingShingle | Qin Wen Chenyu Zhu Zixuan Han Zhengyu Liu Haijun Yang Can the Topography of Tibetan Plateau Affect the Antarctic Bottom Water? Geophysical Research Letters Antarctic bottom water Bellingshausen Sea Tibetan Plateau Weddell Sea |
| title | Can the Topography of Tibetan Plateau Affect the Antarctic Bottom Water? |
| title_full | Can the Topography of Tibetan Plateau Affect the Antarctic Bottom Water? |
| title_fullStr | Can the Topography of Tibetan Plateau Affect the Antarctic Bottom Water? |
| title_full_unstemmed | Can the Topography of Tibetan Plateau Affect the Antarctic Bottom Water? |
| title_short | Can the Topography of Tibetan Plateau Affect the Antarctic Bottom Water? |
| title_sort | can the topography of tibetan plateau affect the antarctic bottom water |
| topic | Antarctic bottom water Bellingshausen Sea Tibetan Plateau Weddell Sea |
| url | https://doi.org/10.1029/2021GL092448 |
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