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首页> 外文期刊>Climatic Change >Atmospheric circulation and storminess derived from Royal Navy logbooks: 1685 to 1750
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Atmospheric circulation and storminess derived from Royal Navy logbooks: 1685 to 1750

机译：皇家海军日志记载的大气环流和暴风雨：1685年至1750年

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This paper is concerned with the use of Royal Navy ships' logbooks for the period 1685 to 1750, thereby embracing the oldest members of this documentary series that extends to the present day. The geographic range of the undertaking is confined to the English Channel and its western approaches where the abundance of logbooks for this period allows for the abstraction of a daily series of wind force and direction data. These are verified and processed for inclusion in a database from which indices are derived for air circulation patterns based on the frequency of winds from north, east, south and west quarters, and of gale frequency, based on the contemporary terminology of wind force. The methods by which the data are abstracted and processed are described, as is the nature of the raw data and source material. The results provide a uniquely detailed insight into the changing patterns of air circulation over this critical period that marked the transition from the depths of the Little Ice Age in the late seventeenth century. Attention is also drawn to the changing nature of gale frequency, which revealed a notable decrease over the study period. Associations between changing circulation patterns and temperature regimes are also explored.
机译：本文涉及1685年至1750年期间皇家海军航海日志的使用，从而涵盖了延续到今天的这个纪录片系列中最古老的成员。这项业务的地理范围仅限于英吉利海峡及其西方方法，在此期间大量的日志可以提取每天一系列的风力和方向数据。对这些数据进行验证和处理，以包含在数据库中，基于现代的术语，从北，东，南和西四分之一的风的频率，以及大风的频率，从中得出空气循环模式的指标。描述了提取和处理数据的方法，以及原始数据和原始资料的性质。结果提供了对这个关键时期空气循环变化模式的独特而详尽的洞察力，这标志着从十七世纪末小冰河时代的深处过渡。还应注意大风频率的变化性质，这表明在研究期间显着下降。还探讨了变化的循环模式与温度状况之间的关联。

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