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Xiaojun Li

Southwest Jiaotong University

No. 111, Sec. North 1, Er-Huan Rd.

Chengdu

Chengdu, 610031

China

  • Southwest Jiaotong University

SCHOLARLY PAPERS

4

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44

TOTAL CITATIONS

0

Scholarly Papers (4)

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1.

Toward High-Accuracy Soil Moisture Product Validation: A Representativeness-Aware Upscaling Method for Sparse Observations

Number of pages: 20 Posted: 11 Feb 2026
Qicheng Zeng, Xiaodan Wu, Jianguang Wen, Xingwen Lin, Gaofei Yin, Xiaojun Li and Qing Xiao
Lanzhou University, Southwest Jiaotong University, Chinese Academy of Sciences (CAS), Zhejiang Normal University, Southwest Jiaotong University, Southwest Jiaotong University and Chinese Academy of Sciences (CAS)
Downloads 16 (1,518,554)

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soil moisture, upscaling, representativeness error, sparse observation network, automated machine learning (AutoML), adaptive regression

2.

The Conditional Nature of Error Estimates in Multi-Source Satellite SIF Cross-Evaluation: How Product Combinations, Statistical Models, Spatial Scales, and Temporal Treatments Shape the Conclusions

Number of pages: 27 Posted: 20 May 2026
Xiaodan Wu, Qicheng Zeng, Yuxin Wang, Rongqi Tang, Jing Pei, Gaofei Yin, Xiaojun Li, Jianguang Wen and Qing Xiao
Southwest Jiaotong University, Lanzhou University, Nanjing University, Beijing Normal University, Lanzhou University, Southwest Jiaotong University, Southwest Jiaotong University, Chinese Academy of Sciences (CAS) and Chinese Academy of Sciences (CAS)
Downloads 14 (1,541,665)

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Satellite SIF products, cross-evaluation, conditional error estimates, Quadruple Collocation Analysis, Three-Cornered Hat, error independence assumption

3.

Mitigating Representativeness Errors in Sparse Soil Moisture Observations Through Upscaling Constrained by Intra-Pixel Spatial Variability

Number of pages: 25 Posted: 07 Jul 2026
Qicheng Zeng, Xiaodan Wu, Jianguang Wen, Xingwen Lin, Gaofei Yin, Xiaojun Li, Yukun Li and Qing Xiao
Southwest Jiaotong University, Southwest Jiaotong University, Chinese Academy of Sciences (CAS), Zhejiang Normal University, Southwest Jiaotong University, Southwest Jiaotong University, Southwest Jiaotong University and Chinese Academy of Sciences (CAS)
Downloads 7

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soil moisture, Sparse in situ observations, Representativeness error, Single-site upscaling, Intra-pixel spatial variability, Validation reference construction

4.

Representativeness-Guided Point-to-Pixel Upscaling of Sparse In Situ Soil Moisture Observations

Number of pages: 20 Posted: 10 Apr 2026
Qicheng Zeng, Xiaodan Wu, Jianguang Wen, Xingwen Lin, Gaofei Yin, Xiaojun Li and Qing Xiao
Lanzhou University, Southwest Jiaotong University, Chinese Academy of Sciences (CAS), Zhejiang Normal University, Southwest Jiaotong University, Southwest Jiaotong University and Chinese Academy of Sciences (CAS)
Downloads 7 (1,575,921)

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Soil moisture, representativeness error, point-to-pixel upscaling, sparse in situ observations, pixel-scale reference estimation, spatial heterogeneity