Improving the accuracy of precipitation estimates in a typical inland arid region of China using a dynamic Bayesian model averaging approach

Xu, Wenjie; Ding, Jianli; Bao, Qingling; Wang, Jinjie; Xu, Kun

doi:10.1007/s40333-024-0054-7

J. Arid Land

2024

DOI: 10.1007/s40333-024-0054-7

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Improving the accuracy of precipitation estimates in a typical inland arid region of China using a dynamic Bayesian model averaging approach

Wenjie Xu,

Jianli Ding,

Qingling Bao

et al.

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Cited by 2 publications

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Blending gauge, multi-satellite and atmospheric reanalysis precipitation products to facilitate drought monitoring

Cheng,

Wang,

Chen

2025

Journal of Hydrology

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Blending gauge, multi-satellite and atmospheric reanalysis precipitation products to facilitate drought monitoring

Cheng,

Wang,

Chen

2025

Journal of Hydrology

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Evaluation and Comparison of Five Long-Term Precipitation Datasets in the Hang-Jia-Hu Plain of Eastern China

Wang,

Qiang,

Nie

et al. 2024

Water

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This study analyzed the applicability of five long-term precipitation datasets in the Hang-Jia-Hu Plain of eastern China based on meteorological observation data. The accuracy of each dataset at different time scales (yearly, monthly) was analyzed. Besides, their spatiotemporal distributions and differences in precipitation event frequency were also compared. The results indicate that the high-resolution (1 day, 1 km) and long-term (1961–2019) gridded dataset for temperature and precipitation across China (HRLT) exhibited the best overall performance at the annual scale, while the long-term, gauge-based gridded precipitation dataset for the Chinese mainland (CHM_PRE) performed the best at the monthly scale. The dataset of monthly precipitation with a resolution of 1 km in China from 1960 to 2020 (HHU) and the China Meteorological Forcing Dataset (CMFD) tend to overestimate the local precipitation amounts, while the other three products are characterized by an underestimation. The mean result of the five datasets indicates a slight, statistically insignificant rise in precipitation, by 4.19 mm annually, with an overall multi-year average of 1303.28 mm. The analysis of the five datasets successfully captures the spatial precipitation patterns across the Hang-Jia-Hu Plain, characterized by higher precipitation levels in the southwest and lower in the northeast. Although the interannual variability displays general consistency, there are significant discrepancies in the interannual growth rates and the spatial distribution of significance across different regions. This study can provide a reference for the accuracy of precipitation data in the fields of hydrology, meteorology, agriculture, and ecology, facilitating the analysis of uncertainties in related research.

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Improving the accuracy of precipitation estimates in a typical inland arid region of China using a dynamic Bayesian model averaging approach

Cited by 2 publications

References 58 publications

Blending gauge, multi-satellite and atmospheric reanalysis precipitation products to facilitate drought monitoring

Blending gauge, multi-satellite and atmospheric reanalysis precipitation products to facilitate drought monitoring

Evaluation and Comparison of Five Long-Term Precipitation Datasets in the Hang-Jia-Hu Plain of Eastern China

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