Significant Wave Height Estimation Incorporating Second-Order Scattering
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arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866911524691378176 |
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| author | Chandrasekara, Senal Shahidi, Reza |
| author_facet | Chandrasekara, Senal Shahidi, Reza |
| contents | Traditional significant wave height (SWH) estima- tion from HF radar typically relies on spectral analysis of the received radar signals. This process was previously simplified by establishing a linear relationship between SWH and the standard deviation of received HF radar voltages under first- order scattering. Building on this approach, this paper presents a physics-informed regression model that incorporates second- order scattering effects through a quadratic formulation derived from a Neumann expansion. The proposed method is evaluated using HF radar data collected in July 2018 at Argentia, New- foundland, with collocated buoy measurements as ground truth. The model achieves a minimum root-mean-square error (RMSE) of approximately 19 cm. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_17116 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Significant Wave Height Estimation Incorporating Second-Order Scattering Chandrasekara, Senal Shahidi, Reza Atmospheric and Oceanic Physics Traditional significant wave height (SWH) estima- tion from HF radar typically relies on spectral analysis of the received radar signals. This process was previously simplified by establishing a linear relationship between SWH and the standard deviation of received HF radar voltages under first- order scattering. Building on this approach, this paper presents a physics-informed regression model that incorporates second- order scattering effects through a quadratic formulation derived from a Neumann expansion. The proposed method is evaluated using HF radar data collected in July 2018 at Argentia, New- foundland, with collocated buoy measurements as ground truth. The model achieves a minimum root-mean-square error (RMSE) of approximately 19 cm. |
| title | Significant Wave Height Estimation Incorporating Second-Order Scattering |
| topic | Atmospheric and Oceanic Physics |
| url | https://arxiv.org/abs/2603.17116 |