CryoSat-2 Significant Wave Height in Polar Oceans Derived Using a Semi-Analytical Model of Synthetic Aperture Radar 2011–2019
Abstract
:1. Introduction
2. Data and Methods
2.1. CryoSat-2 Altimetry Data
2.2. Addtional Accompanying Data
2.3. Semi-Analytical Model
2.4. Operational Retrieval of Significant Wave Height
3. Results
3.1. Echo Fit Examples
3.2. North Atlantic 2014-03-01
3.3. Central Arctic 2014-09-12
3.4. Alternate CS2 SWH Data Comparison
3.5. Buoy SWH Observational Validation
3.6. Mode Bias Corrections
3.7. Full Arctic Data Set
3.8. Full Antarctic Data Set
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Buoy Name | Period | Location | Correlation |
---|---|---|---|
Swift array | 28 July 2014 to 28 September 2014 | −144.5E, 70.9N | 0.77 |
−159.9E, 74.6N | |||
Met Office K7 | 2014 | −4.5E, 60.7N | 0.89 |
2015 | 0.91 | ||
2016 | 0.97 | ||
2017 | 0.96 | ||
2018 | 0.96 | ||
2019 | 0.96 | ||
48,213 | 1 September 2012 to 7 October 2012 | 164.1E, 71.5N | −0.43 |
1 August 2013 to 31 October 2013 | 0.14 | ||
48,214 | 1 September 2014 to 11 October 2014 | 165.2E, 70.9N | −0.35 |
1 August 2014 to 8 October 2014 | 0.51 | ||
14 July 2015 to 12 October 2015 | 0.5 |
Description | Value | |
---|---|---|
Pulse duration | 3.52 ms | |
Antenna gain | 42 dB | |
SAR synthetic beam gain | 36.12 dB | |
beam look angles | 51 | |
c | Speed of light | |
Earth radius | m | |
Carrier wavelength | ||
Carrier wave number | ||
Antenna shape parameter | 0.0122 | |
Antenna shape parameter | 0.0382 |
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Heorton, H.; Tsamados, M.; Armitage, T.; Ridout, A.; Landy, J. CryoSat-2 Significant Wave Height in Polar Oceans Derived Using a Semi-Analytical Model of Synthetic Aperture Radar 2011–2019. Remote Sens. 2021, 13, 4166. https://doi.org/10.3390/rs13204166
Heorton H, Tsamados M, Armitage T, Ridout A, Landy J. CryoSat-2 Significant Wave Height in Polar Oceans Derived Using a Semi-Analytical Model of Synthetic Aperture Radar 2011–2019. Remote Sensing. 2021; 13(20):4166. https://doi.org/10.3390/rs13204166
Chicago/Turabian StyleHeorton, Harold, Michel Tsamados, Thomas Armitage, Andy Ridout, and Jack Landy. 2021. "CryoSat-2 Significant Wave Height in Polar Oceans Derived Using a Semi-Analytical Model of Synthetic Aperture Radar 2011–2019" Remote Sensing 13, no. 20: 4166. https://doi.org/10.3390/rs13204166