China XCO2 seamless daily data set

Published: 26 February 2025| Version 1 | DOI: 10.17632/xpmtw4xrw9.1
Contributors:
Zhaoliang Zeng, Yaqiang Wang, Ke Gui, Peng Xie, Zhaohua Liu

Description

Based on the observed values of OCO-2 XCO2 concentration, meteorological, vegetation, terrain and other variables, the 0.05° high-precision seamless daily XCO2 dataset in China from January 1, 2015 to March 31, 2024 was constructed by using the XGBoost model through multi-source data fusion.The results of model cross-validation (R²= 0.984, RMSE=0.894ppm) and ground station auxiliary validation (R²=0.912, RMSE= 1.720ppm) indicate that the data set constructed in this study has better accuracy and is an effective supplement to the existing observational data sets of XCO2 concentration.

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Remote Sensing, Atmospheric Gas

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