Precipitation lagged behind temperature increase during the Bølling-Allerød interstadial in Northeast China

IF 4 1区地球科学 Q1 GEOGRAPHY, PHYSICAL

Global and Planetary Change Pub Date : 2025-08-18 DOI:10.1016/j.gloplacha.2025.105032

Zeyang Zhu , Jing Wu , Patrick Rioual , Jiaxin Lu , Luo Wang , Guoqiang Chu , Jiaqi Liu

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引用次数: 0

Abstract

The Bølling-Allerød (B-A) interstadial (∼14.7–12.85 cal ka BP), the most important warming event of the last deglaciation in the northern hemisphere, is a key time window to study how precipitation changes under the background of rapid warming. However, the relationship between precipitation changes and rapid warming during the B-A interstadial in Northeast (NE) China has remained unclear. Here, we present a multiproxy record spanning the interval 20–10 cal ka BP from a small volcanic lake in NE China and compare it with other records from the same region to clarify the hydroclimatological history of the last deglaciation in NE China. The results suggest that precipitation lagged behind temperature increase during the B-A interstadial in NE China. We attribute this lag to the different forcings at play on the evolution of precipitation and temperature during the B-A, in which the temperature changes were forced by the recovery of the Atlantic Meridional Overturning Circulation and the triggered release of stored heat in the North Atlantic from the high latitudes while the precipitation changes were controlled by increasing sea surface temperatures in the low latitudes.

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东北地区b ølling- allerd间期降水滞后于气温上升

b ølling- allero ød （B-A）间期（~ 14.7 ~ 12.85 cal ka BP）是北半球末次消冰期最重要的变暖事件，是研究快速变暖背景下降水变化的关键时间窗。然而，中国东北B-A间期降水变化与快速增温之间的关系尚不清楚。本文利用中国东北地区一个小型火山湖的20-10 calka BP的多代用记录，并将其与同一地区的其他记录进行比较，以阐明中国东北地区末次冰消期的水文气候学历史。结果表明，中国东北地区B-A间期降水滞后于气温上升。我们认为，这种滞后是由于B-A期间降水和温度演变的不同强迫作用，其中温度变化是由大西洋经向翻转环流的恢复和高纬度地区触发的北大西洋储热释放所驱动的，而降水变化是由低纬度地区海面温度升高所控制的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Global and Planetary Change 地学天文-地球科学综合

CiteScore

7.40

自引率

10.30%

发文量

226

审稿时长

63 days

期刊介绍： The objective of the journal Global and Planetary Change is to provide a multi-disciplinary overview of the processes taking place in the Earth System and involved in planetary change over time. The journal focuses on records of the past and current state of the earth system, and future scenarios , and their link to global environmental change. Regional or process-oriented studies are welcome if they discuss global implications. Topics include, but are not limited to, changes in the dynamics and composition of the atmosphere, oceans and cryosphere, as well as climate change, sea level variation, observations/modelling of Earth processes from deep to (near-)surface and their coupling, global ecology, biogeography and the resilience/thresholds in ecosystems. Key criteria for the consideration of manuscripts are (a) the relevance for the global scientific community and/or (b) the wider implications for global scale problems, preferably combined with (c) having a significance beyond a single discipline. A clear focus on key processes associated with planetary scale change is strongly encouraged. Manuscripts can be submitted as either research contributions or as a review article. Every effort should be made towards the presentation of research outcomes in an understandable way for a broad readership.