Preprints
https://doi.org/10.5194/essd-2024-171
https://doi.org/10.5194/essd-2024-171
12 Aug 2024
 | 12 Aug 2024
Status: this preprint has been withdrawn by the authors.

Integration of global precipitation stable isotope data

Longhu Chen, Qinqin Wang, Guofeng Zhu, Rui Li, Siyu Lu, Xinrui Lin, Dongdong Qiu, Gaojia Meng, Yinying Jiao, Yuhao Wang, Jing Liu, Yutong He, and Yanan Li

Abstract. Precipitation plays a crucial role in the hydrological cycle and is vital for water resources management, climate change research, and ecosystem conservation. Precipitation stable isotopes serve as the "fingerprints" of precipitation, which can clearly trace the formation, transport, and subsequent processes of precipitation. However, due to the scarcity of precipitation stable isotope data, we face challenges of temporal discontinuity and spatial heterogeneity when studying it at large to medium scales. Therefore, we compiled precipitation hydrogen and oxygen stable isotope data (δ18O and δ2H) from 2059 global sites spanning from 1961 to 2023, totaling 141,624 records. Our study indicates significant variations of global precipitation stable isotopes both spatially and temporally. Spatially, the isotopic composition of precipitation in different regions varies significantly due to factors such as geographical location, underlying surface conditions, and atmospheric circulation. Temporally, δ18O and δ2H show decreasing trends, while d-excess shows an increasing trend, with the impact of global temperature rise being very apparent. This precipitation stable isotope dataset provides robust support for our understanding of global precipitation changes and climate change. Through further investigation of precipitation stable isotope data, we hope to uncover more mechanisms and influencing factors of precipitation processes, providing a more accurate basis for the assessment and prediction of climate and water resource changes.

This preprint has been withdrawn.

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Longhu Chen, Qinqin Wang, Guofeng Zhu, Rui Li, Siyu Lu, Xinrui Lin, Dongdong Qiu, Gaojia Meng, Yinying Jiao, Yuhao Wang, Jing Liu, Yutong He, and Yanan Li

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on essd-2024-171', Gabriel Bowen, 29 Aug 2024
    • AC1: 'Reply on CC1', Guofeng Zhu, 15 Oct 2024
  • CC2: 'Comment on essd-2024-171', Jodie Miller, 10 Oct 2024
    • AC2: 'Reply on CC2', Guofeng Zhu, 15 Oct 2024
  • EC1: 'Comment on essd-2024-171', Yue Qin, 16 Oct 2024
    • AC3: 'Reply on EC1', Guofeng Zhu, 21 Oct 2024

Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • CC1: 'Comment on essd-2024-171', Gabriel Bowen, 29 Aug 2024
    • AC1: 'Reply on CC1', Guofeng Zhu, 15 Oct 2024
  • CC2: 'Comment on essd-2024-171', Jodie Miller, 10 Oct 2024
    • AC2: 'Reply on CC2', Guofeng Zhu, 15 Oct 2024
  • EC1: 'Comment on essd-2024-171', Yue Qin, 16 Oct 2024
    • AC3: 'Reply on EC1', Guofeng Zhu, 21 Oct 2024
Longhu Chen, Qinqin Wang, Guofeng Zhu, Rui Li, Siyu Lu, Xinrui Lin, Dongdong Qiu, Gaojia Meng, Yinying Jiao, Yuhao Wang, Jing Liu, Yutong He, and Yanan Li

Data sets

Integration of global precipitation stable isotope data Guofeng Zhu https://doi.org/10.17632/9gxtc4xzv9.1

Longhu Chen, Qinqin Wang, Guofeng Zhu, Rui Li, Siyu Lu, Xinrui Lin, Dongdong Qiu, Gaojia Meng, Yinying Jiao, Yuhao Wang, Jing Liu, Yutong He, and Yanan Li

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This preprint has been withdrawn.

Short summary
This study provides a dataset of hydrogen and oxygen stable isotopes from 2,059 sites worldwide, showing variations in global precipitation isotopes since 1961. The dataset offers insights into climate variability and water resource management.
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