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The study presents the development of a regional Zenith Wet Delay (ZWD) model for Iran, referred to as the IR-ZWD model, utilizing five years of high-resolution ERA5 data. The model employs B-spline base functions to effectively capture local spatial variations and demonstrates a mean Root Mean Squared Error (RMSE) of approximately 0.035 m, outperforming existing global models by about 12.5%. The IR-ZWD model is validated against radiosonde data and Jason-3 satellite observations, showing significant improv
- Author
- sumit.ias27
- Language
- EN