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地中海海洋沉积物岩芯数据库：揭示过去两万年的古气候信号

Mediterranean marine sediment cores database: unlocking paleoclimatic signals for the last 20,000 years.

作者信息

Viganò Allyson, Agnini Claudia

机构信息

Dipartimento di Ingegneria Civile, Edile e Ambientale - ICEA, Università di Padova, 35131, Padova, Italy.

Dipartimento di Geoscienze, Università di Padova, 35131, Padova, Italy.

出版信息

Sci Data. 2025 Jul 1;12(1):1124. doi: 10.1038/s41597-025-05451-5.

DOI:10.1038/s41597-025-05451-5
PMID:40593887
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12214641/
Abstract

The Mediterranean Sea is a crucial area for studying past climate dynamics due to its unique geography and hydrology. We present PaleoMED20, a paleoclimatic database that spans nearly six decades of research in the Mediterranean, covering the last 20,000 years. With over 1,500 marine sediment cores, it includes oceanographic cruise data and descriptions of the related cores recovered. For each core, we gathered all available information on past environmental variables and their associated climatic indicators (proxies). Metadata were collected from over 400 scientific articles, and a sub-set of 36 well-studied and/or most relevant cores was selected from the total of 1,524 to explore the quality and utility of the database for further studies. Here we present how PaleoMED20 can be used to identify the available key environmental variables and proxies over the last 20,000 years, while also highlighting existing knowledge gaps. This database has the potential to inform future oceanographic expeditions in the Mediterranean and contribute to the development of strategies and policies for climate change mitigation and adaptation.

摘要

由于其独特的地理和水文条件，地中海是研究过去气候动态的关键区域。我们展示了PaleoMED20，这是一个古气候数据库，涵盖了近六十年在地中海地区的研究，覆盖了过去20000年。该数据库包含1500多个海洋沉积物岩芯，包括海洋学巡航数据以及所采集相关岩芯的描述。对于每个岩芯，我们收集了过去环境变量及其相关气候指标（代用指标）的所有可用信息。元数据来自400多篇科学文章，并且从总共1524个岩芯中选出了36个经过充分研究和/或最相关的岩芯子集，以探究该数据库在进一步研究中的质量和效用。在此，我们展示了PaleoMED20如何用于识别过去20000年中可用的关键环境变量和代用指标，同时也突出了现有的知识空白。该数据库有潜力为未来地中海的海洋学考察提供信息，并有助于制定缓解和适应气候变化的战略及政策。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/1b80786d7882/41597_2025_5451_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/cc9ccb9a0b7a/41597_2025_5451_Fig1_HTML.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/32be1be946c7/41597_2025_5451_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/c9b87cc1c21b/41597_2025_5451_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/2a7b299c6c6f/41597_2025_5451_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/4a7fb660a8d8/41597_2025_5451_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/1b80786d7882/41597_2025_5451_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/cc9ccb9a0b7a/41597_2025_5451_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/00f69c21f425/41597_2025_5451_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/d7c78694a4d7/41597_2025_5451_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/32be1be946c7/41597_2025_5451_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/c9b87cc1c21b/41597_2025_5451_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/2a7b299c6c6f/41597_2025_5451_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/4a7fb660a8d8/41597_2025_5451_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/de2d/12214641/1b80786d7882/41597_2025_5451_Fig8_HTML.jpg

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