A Comparison between Drifter and X-Band Wave Radar for Sea Surface Current Estimation
Abstract
:1. Introduction
2. Test Site, Instrumentation and Methodologies
2.1. Drifters
2.2. Wave Radar System
3. Results
4. Discussion
5. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Radar Parameters | Value |
---|---|
Antenna rotation period (Δt) | 2.39 s |
Spatial image spacing (Δx and Δy) | 4.5 m |
Minimum range | 200 m |
Maximum range | 2296 m |
Image number for sequence (Ns) | 32 |
Antenna height above sea level | ~15 m |
View angular sector | ~135° |
Day | Time Survey | Wind Speed (m/s) | Wind Direction (deg) |
---|---|---|---|
15 May 2015 | 12:00 | 4.2 | 176 |
15 May 2015 | 13:00 | 7.1 | 155 |
15 May 2015 | 14:00 | 5.9 | 177 |
R1 | |||
---|---|---|---|
MeanValues | Std. | Mean Error | |
UD [cm/s] | 75 | 12 | 30% |
UR [cm/s] | 57 | 3 | |
θD [deg] | 311 | 3 | 5% |
θR [deg] | 305 | 3 | |
R2 | |||
MeanValues | Std. | Mean Error | |
UD [cm/s] | 56 | 6 | 4% |
UR [cm/s] | 54 | 4 | |
θD [deg] | 320 | 3 | 6% |
θR [deg] | 312 | 3 | |
R3 | |||
MeanValues | Std. | Mean Error | |
UD [cm/s] | 59 | 2 | 9% |
UR [cm/s] | 54 | 4 | |
θD [deg] | 322 | 1 | 8% |
θR [deg] | 312 | 3 |
Time UTC | |||||
---|---|---|---|---|---|
12:40 | 12:50 | 12:55 | 13:45 | 14:05 | |
Hs [m] | 0.6 | 0.6 | 0.7 | 0.6 | 0.6 |
Tp [s] | 6.2 | 6.1 | 6.1 | 6.1 | 6.2 |
λp [m] | 60 | 59 | 59 | 58 | 60 |
θp [deg] | 215 | 214 | 214 | 215 | 210 |
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Ludeno, G.; Nasello, C.; Raffa, F.; Ciraolo, G.; Soldovieri, F.; Serafino, F. A Comparison between Drifter and X-Band Wave Radar for Sea Surface Current Estimation. Remote Sens. 2016, 8, 695. https://doi.org/10.3390/rs8090695
Ludeno G, Nasello C, Raffa F, Ciraolo G, Soldovieri F, Serafino F. A Comparison between Drifter and X-Band Wave Radar for Sea Surface Current Estimation. Remote Sensing. 2016; 8(9):695. https://doi.org/10.3390/rs8090695
Chicago/Turabian StyleLudeno, Giovanni, Carmelo Nasello, Francesco Raffa, Giuseppe Ciraolo, Francesco Soldovieri, and Francesco Serafino. 2016. "A Comparison between Drifter and X-Band Wave Radar for Sea Surface Current Estimation" Remote Sensing 8, no. 9: 695. https://doi.org/10.3390/rs8090695