Assessment of Sea-Surface Wind Retrieval from C-Band Miniaturized SAR Imagery
<p>Coverage area of SAR images and locations of buoys. The red box outlines the coverage area of each SAR image, while blue stars and triangles represent the locations of the buoys recording winds at 10 m and 3 m height, respectively.</p> "> Figure 2
<p>Buoy wind speeds versus (<b>a</b>) CCMP wind speeds, (<b>b</b>) ERA5 wind speeds, and (<b>c</b>) ASCAT wind speeds. The bisector is depicted by the black solid line.</p> "> Figure 2 Cont.
<p>Buoy wind speeds versus (<b>a</b>) CCMP wind speeds, (<b>b</b>) ERA5 wind speeds, and (<b>c</b>) ASCAT wind speeds. The bisector is depicted by the black solid line.</p> "> Figure 3
<p>SSWFs retrieved from SAR images acquired by (<b>a</b>) HiSea-1 at 15:56 UTC on 8 June 2022, (<b>b</b>) HiSea-1 at 04:05 UTC on 7 April 2022, (<b>c</b>) Chaohu-1 at 02:55 UTC on 8 December 2022, (<b>d</b>) Chaohu-1 at 14:34 UTC on 22 December 2022, and (<b>e</b>) HiSea-1 at 15:26 UTC on 15 July 2022.</p> "> Figure 4
<p>Variance versus average retrieved wind speed for each Sentinel-1 sub-SAR image with coverage of 25 km × 25 km. The red elliptic curve represents the quality-controlled region and is expressed by Equation (5).</p> "> Figure 5
<p>SAR-derived winds versus (<b>a</b>,<b>b</b>) ERA5 winds, (<b>c</b>,<b>d</b>) buoy winds, and (<b>e</b>,<b>f</b>) ASCAT winds.</p> "> Figure 5 Cont.
<p>SAR-derived winds versus (<b>a</b>,<b>b</b>) ERA5 winds, (<b>c</b>,<b>d</b>) buoy winds, and (<b>e</b>,<b>f</b>) ASCAT winds.</p> ">
Abstract
:1. Introduction
2. Data
2.1. HiSea-1 and Chaohu-1 SAR Images
2.2. Buoy Winds
2.3. CCMP Winds, ERA5 Winds, and ASCAT Winds
2.4. Data for Quality Control
3. Method and Results
4. Quality Control Procedure
5. Discussion
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Wang, Y.; Li, Y.; Xie, Y.; Wei, G.; He, Z.; Geng, X.; Shang, S. Assessment of Sea-Surface Wind Retrieval from C-Band Miniaturized SAR Imagery. Sensors 2023, 23, 6313. https://doi.org/10.3390/s23146313
Wang Y, Li Y, Xie Y, Wei G, He Z, Geng X, Shang S. Assessment of Sea-Surface Wind Retrieval from C-Band Miniaturized SAR Imagery. Sensors. 2023; 23(14):6313. https://doi.org/10.3390/s23146313
Chicago/Turabian StyleWang, Yan, Yan Li, Yanshuang Xie, Guomei Wei, Zhigang He, Xupu Geng, and Shaoping Shang. 2023. "Assessment of Sea-Surface Wind Retrieval from C-Band Miniaturized SAR Imagery" Sensors 23, no. 14: 6313. https://doi.org/10.3390/s23146313