Centennial Homogenized Monthly/Yearly Mean Temperature Dataset at Jiujiang Meteorological Station, Jiangxi Province of China (1924-2023)
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DOI:10.3974/geodb.2024.12.03.V1
Published:Dec. 2024
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Key Words：
Jiujiang,temperature,centennial series,interpolation,homogenization
Abstract：
Long-term homogenized observation series are essential for the accurate assessment and attribution of climate change. However, most of the meteorological stations have been affected by unnatural factors such as station relocation, instrument change, and environmental changes, resulting in non-homogenization in the observation series. Based on the monthly mean temperature data from multiple sources, combined with data integration and quality control, we used the standardized series method to interpolate the month-to-month mean temperature data from Jiangxi Jiujiang Meteorological Station for the period of 1924-2023. The homogeneity of the interpolated data was examined by using the penalized maximum F-test (PMF) method, and at the same time, it was revised by using the quartile matching (QM) method, and the centennial mean temperature data from Jiangxi Jiujiang Station was constructed by using the standardized series method. The centennial homogenized monthly/yearly mean temperature dataset at Jiujiang station was obtained. The comparison analysis with the homogenized 100-year mean air temperature data of the neighboring meteorological stations shows that the correlation between the 100-year monthly/yearly mean air temperature dataset of Jiujiang Meteorological Station constructed in this paper and the neighboring stations reaches more than 0.9, which verifies the scientific validity of the construction method and the reliability of this dataset. This dataset is the monthly/yearly mean air temperature (unit ℃) of Jiujiang meteorological station from 1924 to 2023. The dataset is archived in .txt data format, and consists of two data files with data size of 16.5 KB.
Foundation Item：
China Meteorological Administration (CMA2024QN15); Science and Technology Department of Jiangxi Province (20223BBG71019, 2023KYG01001); Shanghai Meteorological Service (QYHZ202106); Guangdong Meteorological Service (ZJLY202312); Nanchang National Climatic Observatory (JX2023Z09); Jiangxi Meteorological Service (JX2022ZHHFXPC06)；
Data Citation：
1. Centennial Homogenized Monthly/Yearly Mean Temperature Dataset at Jiujiang Meteorological Station, Jiangxi Province of China (1924-2023)[J/DB/OL]. Digital Journal of Global Change Data Repository, 2024. https://doi.org/10.3974/geodb.2024.12.03.V1.
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