Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1175/JCLI-D-18-0872.1 |
Observation-Based Estimates of Global and Basin Ocean Meridional Heat Transport Time Series | |
Trenberth, Kevin E.1; Zhang, Yongxin1; Fasullo, John T.1; Cheng, Lijing2 | |
2019-07-01 | |
发表期刊 | JOURNAL OF CLIMATE
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ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2019 |
卷号 | 32期号:14页码:4567-4584 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Peoples R China |
英文摘要 | Ocean meridional heat transports (MHTs) are deduced as a residual using energy budgets to produce latitude versus time series for the globe, Indo-Pacific, and Atlantic. The top-of-atmosphere (TOA) radiation is combined with the vertically integrated atmospheric energy divergence from atmospheric reanalyses to produce the net surface energy fluxes everywhere. The latter is then combined with estimates of the vertically integrated ocean heat content (OHC) tendency to produce estimates of the ocean heat divergence. Because seasonal sea ice and land runoff effects are not fully considered, the mean annual cycle is incomplete, but those effects are small for interannual variability. However, there is a mismatch between 12-month inferred surface flux and the corresponding OHC changes globally, requiring adjustments to account for the Earth's global energy imbalance. Estimates are greatly improved by building in the constraint that MHT must go to zero at the northern and southern extents of the ocean basin at all times, enabling biases between the TOA and OHC data to be reconciled. Zonal mean global, Indo-Pacific, and Atlantic basin ocean MHTs are computed and presented as 12-month running means and for the mean annual cycle for 2000-16. For the Indo-Pacific, the tropical and subtropical MHTs feature a strong relationship with El Nino-Southern Oscillation (ENSO), and in the Atlantic, MHT interannual variability is significantly affected by and likely influences the North Atlantic Oscillation (NAO). However, Atlantic and Pacific changes are linked, suggesting that the northern annular mode (as opposed to NAO) is predominant. There is also evidence of decadal variability or trends. |
英文关键词 | Atmosphere-ocean interaction ENSO Ocean circulation Climate variability Energy budget balance North Atlantic Oscillation |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000472925900003 |
WOS关键词 | ATMOSPHERIC ENERGY TRANSPORTS ; OVERTURNING CIRCULATION ; REANALYSIS ; VARIABILITY ; CONSERVATION ; DIAGNOSTICS ; CONSISTENT ; SATELLITE ; RADIATION ; BUDGETS |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/184730 |
专题 | 气候变化 |
作者单位 | 1.Natl Ctr Atmospher Res, POB 3000, Boulder, CO 80307 USA; 2.Chinese Acad Sci, Inst Atmospher Phys, Int Ctr Climate & Environm Sci, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Trenberth, Kevin E.,Zhang, Yongxin,Fasullo, John T.,et al. Observation-Based Estimates of Global and Basin Ocean Meridional Heat Transport Time Series[J]. JOURNAL OF CLIMATE,2019,32(14):4567-4584. |
APA | Trenberth, Kevin E.,Zhang, Yongxin,Fasullo, John T.,&Cheng, Lijing.(2019).Observation-Based Estimates of Global and Basin Ocean Meridional Heat Transport Time Series.JOURNAL OF CLIMATE,32(14),4567-4584. |
MLA | Trenberth, Kevin E.,et al."Observation-Based Estimates of Global and Basin Ocean Meridional Heat Transport Time Series".JOURNAL OF CLIMATE 32.14(2019):4567-4584. |
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