Climatological observations from ship logbooks between 1750 and 1854 (release 2.1)

The Climatological Database for the World's Oceans: 1750-1854 (CLIWOC) project, which concluded in 2004, abstracted more than 280,000 daily weather observations from ships' logbooks from British, Dutch, French, and Spanish naval vessels engaged in imperial business in the eighteenth and nineteenth centuries. These data, now compiled into a database, provide valuable information for the reconstruction of oceanic wind field patterns for this key period that precedes the time in which anthropogenic influences on climate became evident. These reconstructions, in turn, provide evidence for such phenomena as the El Niño-Southern Oscillation and the North Atlantic Oscillation. Of equal importance is the finding that the CLIWOC database the first coordinated attempt to harness the scientific potential of this resource represents less than 10 percent of the volume of data currently known to reside in this important but hitherto neglected source.2004年结题的1750-1854年全球海洋气候数据库（Climatological Database for the World's Oceans: 1750-1854，缩写CLIWOC）项目，从英、荷、法、西四国参与18至19世纪殖民事务的海军舰艇航海日志中，摘编了超28万条每日气象观测记录。目前这批数据已整合为数据库，可为该早于人类活动对气候产生显著影响的关键时期的海洋风场格局重建提供宝贵信息。此类重建结果亦为厄尔尼诺-南方涛动（El Niño-Southern Oscillation）与北大西洋涛动（North Atlantic Oscillation）等气候现象提供了观测佐证。同样值得关注的是，研究发现：作为首个系统性挖掘该类史料科学价值的协同尝试，CLIWOC数据库仅占目前已知存于这一重要却长期被忽视的史料宝库中的数据总量的不足10%。