Three clearly defined abrupt cooling events (ACEs) can be observed within Greenland Interstadial (GI)‐1 in the Greenland ice‐core records. However, the spatial variation in amplitude and timing of these ACEs is poorly understood due to the paucity of well‐dated records with quantified temperature reconstructions. This study presents high‐resolution chironomid‐inferred July air temperature (T_Jul) and oxygen isotope (δ¹⁸O) records from Crudale Meadow (Orkney Isles, UK). Three centennial‐scale ACEs punctuate the Windermere Interstadial at Crudale Meadow. The largest ACE shows an amplitude of 5.4 °C and a 1% isotopic decline and is centred on ~14.0 ka bp, consistent with the timing of the GI‐1d event in the Greenland stratigraphy. The two other observed ACEs are of smaller magnitude and are centred on ~13.6 ka bp and ~13.2 ka bp, with these smaller magnitude events tentatively correlated with the GI‐1cii and GI‐1b events, respectively, but lack sufficient chronological constraint to fully assess their timing. When comparing the Crudale Meadow record with other locations in the British Isles a strong relationship can be observed between the magnitude of T_Jul cooling and latitude, with a reduced signal in more southerly locations, indicating that oceanic forcing may be a key driver of the ACEs.

中文翻译：

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英国奥克尼Crudale Meadow的温德米尔国际机场（Windermere Interstadial）期间突然降温事件的多记录记录

在格陵兰岛冰芯记录中，在格陵兰岛际（GI）-1内可以观察到三个明确定义的突然降温事件（ACE）。但是，由于缺乏记录良好的定量温度重建记录，这些ACE的振幅和时间的空间变化知之甚少。这项研究提出了高分辨率的摇蚊推断的七月空气温度（T_七月），氧同位素（δ ¹⁸ O）从Crudale草甸（奥克尼群岛，英国）的记录。三个百年历史的ACE在Crudale Meadow的Windermere Interstadial上打下了烙印。最大的ACE表现出5.4°C的振幅和1％的同位素下降，并以〜14.0 ka bp为中心，与格陵兰地层中GI-1d事件的发生时间一致。观察到的其他两个ACE的幅度较小，并且集中在〜13.6 ka bp和〜13.2 ka bp上，这两个较小幅度的事件分别分别与GI-1cii和GI-1b事件相关，但缺乏足够的时间上的约束来完全评估他们的时机。将Crudale Meadow的记录与不列颠群岛的其他位置进行比较时，可以观察到T _Jul降温幅度与纬度之间的密切关系，在更南端的位置信号减弱，表明海洋强迫可能是ACE的主要驱动力。