Articles | Volume 17, issue 9
https://doi.org/10.5194/essd-17-4513-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-17-4513-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Data description paper
| 
11 Sep 2025
Data description paper |
| 11 Sep 2025
| 11 Sep 2025
Rescue, integration, and analytical application of historical data from eight pioneering geomagnetic observatories in China
Suqin Zhang
Institute of Geophysics, China Earthquake Administration, Beijing, 100081, China
Changhua Fu
CORRESPONDING AUTHOR
Institute of Geophysics, China Earthquake Administration, Beijing, 100081, China
Jianjun Wang
Earthquake Administration of Gansu Province, Lanzhou, 730000, China
Chuanhua Chen
Earthquake Administration of Shandong Province, Jinan, 250014, China
Guohao Zhu
Shanghai Earthquake Agency, Shanghai, 200062, China
Qian Zhao
Earthquake Administration of Liaoning Province, Shenyang, 110034, China
Jun Chen
Shanghai Earthquake Agency, Shanghai, 200062, China
Shaopeng He
Hebei Earthquake Agency, Hebei Province, Shijiazhuang, 050022, China
Bin Wang
Hebei Earthquake Agency, Hebei Province, Shijiazhuang, 050022, China
Pengkun Guo
Hebei Earthquake Agency, Hebei Province, Shijiazhuang, 050022, China
Na Deng
Earthquake Administration of Hubei Province, Wuhan, 430071, China
Jinghui Lu
Earthquake Administration of Guangdong Province, Guangzhou, 510070, China
Hongchi Yu
Earthquake Administration of Jilin Province, Guangzhou, 130117, China
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The Sheshan observatory has nearly 150 years of observation history, and its observation data have important scientific value. However, with time, these precious historical data face the risk of damage and loss. We have carried out a series of rescues on the historical data of the Sheshan observatory. New historical datasets were released, including the quality-controlled absolute hourly mean values of three components (D, H, and Z) from 1933 to 2019.
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Short summary
The objective of this study is to rescue and integrate historical data from eight pioneering geomagnetic observatories in China. Data quality is significantly improved through integration. The integrated dataset is now publicly available for easy access and use by the academic community and the public. These datasets are of great significance for optimizing historical geomagnetic field models and investigating changing magnetic fields, the main geomagnetic field.
The objective of this study is to rescue and integrate historical data from eight pioneering...
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