Robust Methodology for Extracting Elevation Control Points from ICESat-2 ATL08 Data Using Spatial Heterogeneity and Machine Learning Models

Data Availability Statement:The datasets and scripts supporting the findings of this study have been publicly archived on Zenodo. This includes: One test dataset used for model training and filtering iterations, One validation dataset used for accuracy assessment, and Three processing scripts written in Python, which were used for feature screening, iterative filtering, and residual analysis. All files are available at: [insert full Zenodo DOI or URL here]. These resources enable full reproducibility of the methods and results presented in this paper.