Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 17, issue 9
Articles | Volume 17, issue 9
https://doi.org/10.5194/essd-17-4985-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-17-4985-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 9
Data description article
 | 
29 Sep 2025
Data description article |  | 29 Sep 2025

Updates to C-LSAT 2.1 and the development of high-resolution land surface air temperature and diurnal temperature range datasets

Sihao Wei, Qingxiang Li, Qiya Xu, Zichen Li, Hanyu Zhang, and Jiaxue Lin

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Short summary
This study introduces the update to the C-LSAT 2.1 station data and its gridded dataset (5° × 5°) for 1850–2024, into which nearly 3000 additional stations were merged. Building on this, high‑resolution (0.5° × 0.5°) land surface air temperature (C‑LSAT HRv1) and diurnal temperature range (C‑LDTR HRv1) datasets for 1901–2023 were produced via thin-plate spline interpolation of the climatology fields and adjusted inverse distance weighted interpolation of the anomaly fields.
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