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DOI | 10.1029/2019JD030426 |
Local Regions Associated With Interdecadal Global Temperature Variability in the Last Millennium Reanalysis and CMIP5 Models | |
Parsons, L. A.; Hakim, G. J. | |
2019-09-10 | |
发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
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ISSN | 2169-897X |
EISSN | 2169-8996 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | USA |
英文摘要 | Despite the importance of interdecadal climate variability, we have a limited understanding of which geographic regions are associated with global temperature variability at these timescales. The instrumental record tends to be too short to develop sample statistics to study interdecadal climate variability, and Coupled Model Intercomparison Project, Phase 5 (CMIP5) climate models tend to disagree about which locations most strongly influence global mean interdecadal temperature variability. Here we use a new paleoclimate data assimilation product, the Last Millennium Reanalysis (LMR), to examine where local variability is associated with global mean temperature variability at interdecadal timescales. The LMR framework uses an ensemble Kalman filter data assimilation approach to combine the latest paleoclimate data and state-of-the-art model data to generate annually resolved field reconstructions of surface temperature, which allow us to explore the timing and dynamics of preinstrumental climate variability in new ways. The LMR consistently shows that the middle- to high-latitude north Pacific and the high-latitude North Atlantic tend to lead global temperature variability on interdecadal timescales. These findings have important implications for understanding the dynamics of low-frequency climate variability in the preindustrial era. |
英文关键词 | paleoclimate climate dynamics climate modeling climate variability paleoclimate data assimilation low-frequency temperature variability |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000486892800001 |
WOS关键词 | SURFACE AIR-TEMPERATURE ; STOCHASTIC CLIMATE MODELS ; MULTIDECADAL VARIABILITY ; ATLANTIC ; OSCILLATIONS ; ASSIMILATION ; SIMULATIONS ; HIATUS |
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/186983 |
专题 | 气候变化 |
作者单位 | Univ Washington, Dept Atmospher Sci, Seattle, WA 98195 USA |
推荐引用方式 GB/T 7714 | Parsons, L. A.,Hakim, G. J.. Local Regions Associated With Interdecadal Global Temperature Variability in the Last Millennium Reanalysis and CMIP5 Models[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2019. |
APA | Parsons, L. A.,&Hakim, G. J..(2019).Local Regions Associated With Interdecadal Global Temperature Variability in the Last Millennium Reanalysis and CMIP5 Models.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES. |
MLA | Parsons, L. A.,et al."Local Regions Associated With Interdecadal Global Temperature Variability in the Last Millennium Reanalysis and CMIP5 Models".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES (2019). |
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