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DOI | 10.1007/s00382-017-3644-7 |
Reconstructing El Nio Southern Oscillation using data from ships' logbooks, 1815-1854. Part I: methodology and evaluation | |
Barrett, Hannah G.; Jones, Julie M.; Bigg, Grant R. | |
2018-02-01 | |
发表期刊 | CLIMATE DYNAMICS
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ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2018 |
卷号 | 50页码:845-862 |
文章类型 | Article |
语种 | 英语 |
国家 | England |
英文摘要 | The meteorological information found within ships' logbooks is a unique and fascinating source of data for historical climatology. This study uses wind observations from logbooks covering the period 1815 to 1854 to reconstruct an index of El Nio Southern Oscillation (ENSO) for boreal winter (DJF). Statistically-based reconstructions of the Southern Oscillation Index (SOI) are obtained using two methods: principal component regression (PCR) and composite-plus-scale (CPS). Calibration and validation are carried out over the modern period 1979-2014, assessing the relationship between re-gridded seasonal ERA-Interim reanalysis wind data and the instrumental SOI. The reconstruction skill of both the PCR and CPS methods is found to be high with reduction of error skill scores of 0.80 and 0.75, respectively. The relationships derived during the fitting period are then applied to the logbook wind data to reconstruct the historical SOI. We develop a new method to assess the sensitivity of the reconstructions to using a limited number of observations per season and find that the CPS method performs better than PCR with a limited number of observations. A difference in the distribution of wind force terms used by British and Dutch ships is found, and its impact on the reconstruction assessed. The logbook reconstructions agree well with a previous SOI reconstructed from Jakarta rain day counts, 1830-1850, adding robustness to our reconstructions. Comparisons to additional documentary and proxy data sources are provided in a companion paper. |
英文关键词 | Ships' logbooks ENSO reconstruction El Nino Climate change and variability |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000425328700007 |
WOS关键词 | WEATHER TERMS ; WIND FORCE ; VARIABILITY ; INDEX ; TEMPERATURE ; PACIFIC ; CLIMATE ; SUMMER ; ENSO |
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/35575 |
专题 | 气候变化 |
作者单位 | Univ Sheffield, Dept Geog, Winter St, Sheffield S10 2TN, S Yorkshire, England |
推荐引用方式 GB/T 7714 | Barrett, Hannah G.,Jones, Julie M.,Bigg, Grant R.. Reconstructing El Nio Southern Oscillation using data from ships' logbooks, 1815-1854. Part I: methodology and evaluation[J]. CLIMATE DYNAMICS,2018,50:845-862. |
APA | Barrett, Hannah G.,Jones, Julie M.,&Bigg, Grant R..(2018).Reconstructing El Nio Southern Oscillation using data from ships' logbooks, 1815-1854. Part I: methodology and evaluation.CLIMATE DYNAMICS,50,845-862. |
MLA | Barrett, Hannah G.,et al."Reconstructing El Nio Southern Oscillation using data from ships' logbooks, 1815-1854. Part I: methodology and evaluation".CLIMATE DYNAMICS 50(2018):845-862. |
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