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Radar Polarimetric Interferometry Theory for Retrieval of Sea Ice Elevation
- Citation Author(s):
- Submitted by:
- Son Van Nghiem
- Last updated:
- Thu, 04/28/2022 - 14:01
- DOI:
- 10.21227/s7df-tq97
- Data Format:
- License:
114 Views- Categories:
- Keywords:
Abstract
To measure sea ice elevation abover the local sea surface, a theory of polarimetric interferometry for both monostatic and bistatic radars is developed based on analytic solutions of Maxwell's equations, accounting for realistic and complicated properties of snow, sea ice, and seawater. This theory preserves phase information that is imperative for radar polarimetry and interferometry. The symmetry group theory is utilized to identify and select appropriate terms pertaining to the retrieval of sea ice elevation. Theoretical calculations compare well with field observations for rough and old sea ice encountered in the Operation-IceBridge and TanDEM-X Antarctic Science Campaign over the Western Weddell Sea. The results show that the magnitude of rho, which is defined as the coefficient of normalized correlation between co-polarized horizontal and co-polarized vertical radar returns, is inversely related to sea ice elevation while the associate phase term is nonlinear and noisy and should be excluded. Both theoretical results and experimental data are included in the IEEE Dataport.
ASCII data file "rhom_vs_elevation_experiment_regression.txt" is for magnitude of rho (column 1) vs sea ice elevation (column 2, in meter) from regression analysis of experimental data
ASCII data file "rhom_vs_elevation_experiment.txt" is for magnitude of rho (column 1) vs sea ice elevation (column 2, in meter) from experimental data
ASCII data file "rhom_vs_elevation_theroy_regression.txt" is for magnitude of rho (column 1) vs sea ice elevation (column 2, in meter) from regression analysis of theoretical calculation
ASCII data file "rhom_vs_elevation_theroy.txt" is for magnitude of rho (column 1) vs sea ice elevation (column 2, in meter) from theoretical calculation
ASCII data file "rhop_vs_elevation_experiment_regression.txt" is for phase of rho (column 1) vs sea ice elevation (column 2, in meter) from regression analysis of experimental data
ASCII data file "rhop_vs_elevation_experiment.txt" is for phase of rho (column 1) vs sea ice elevation (column 2, in meter) from experimental data
ASCII data file "rhop_vs_elevation_theory_regression.txt" is for phase of rho (column 1) vs sea ice elevation (column 2, in meter) from regression analysis of theoretical calculation
ASCII data file "rhop_vs_elevation_theory.txt" is for phase of rho (column 1) vs sea ice elevation (column 2, in meter) from theoretical calculation
Dataset Files
- See data description document rhom_vs_elevation_experiment_regression.txt (702 bytes)
- See data description document rhom_vs_elevation_experiment.txt (63.77 kB)
- See data description document rhom_vs_elevation_theory_regression.txt (3.39 kB)
- See data description document rhom_vs_elevation_theory.txt (3.41 kB)
- See data description document rhop_vs_elevation_experiment_regression.txt (368 bytes)
- See data description document rhop_vs_elevation_theory_regression.txt (3.20 kB)
- See data description document rhop_vs_elevation_theory.txt (3.16 kB)
- See data description document rhop_vs_elevation_experiment.txt (63.77 kB)
Documentation
| Attachment | Size |
|---|---|
 Data description | 13.54 KB |
Comments
Acknowledgment: The research carried out at the Jet Propulsion Laboratory (JPL), California Institute of Technology, was supported by the NASA Cryospheric Science Program.
Updated data for phase of rho.
Updated authors and funding agency.