Infrared and Laser Engineering, Volume. 54, Issue 1, 20240388(2025)
Analysis of typical process of urban wind field with coherent wind measurement lidar
Figures & Tables(30)
Fig. 3. Anqing National Basic Meteorological Station comparison site map
Fig. 4. (a) Box plot of wind speed errors at different heights; (b) Correlation curve of wind speed at different heights
Fig. 5. (a) Box plot of wind direction errors at different heights; (b) Correlation curve of wind direction at different heights
Fig. 6. (a) Wind speed profile comparison chart; (b) Wind direction profile comparison chart; (c) Wind speed error chart; (d) Wind direction error curve chart
Fig. 7. Statistical chart of continuous observation data and meteorological data of coherent wind lidar
Fig. 8. (a)-(d) Represent the wind direction and wind speed rose diagrams at 200 m height for January, February, March, and April 2024, respectively
Fig. 9. (a)-(d) Represent the wind direction and wind speed rose diagrams at 500 m height for January, February, March, and April 2024, respectively
Fig. 10. (a)-(d) Represent the wind direction and wind speed rose diagrams at 800 m height for January, February, March, and April 2024, respectively
Fig. 11. (a)-(d) Represent the wind direction and wind speed rose diagrams at
Fig. 12. (a)-(d) Represent the wind direction and wind speed rose diagrams at
Fig. 13. Location map of topography and coherent wind laser mine in Pingyin County
Fig. 14. Cloud cover, temperature, humidity and pressure statistics for 14 February 2024
Fig. 15. Wind farm data as of February 14, 2024. (a) Horizontal wind speed; (b) Horizontal wind direction; (c) Vertical wind speed
Fig. 17. Wind speed profiles at different heights. (a) 50 m; (b) 500 m; (c)
Fig. 18. Wind profiles at different heights. (a) 50 m; (b) 500 m; (c)
Fig. 19. Wind velocity profiles of vertical airflow at different heights. (a) 50 m; (b) 500 m; (c)
Fig. 20. Five sets of temperature variations at different hours on sunny days
Fig. 21. Scatter plot of horizontal wind speed at different heights on sunny days. (a) 200 m; (b) 500 m; (c)
Fig. 22. Scatter plot of wind direction at different altitudes on a sunny day. (a) 200 m; (b) 500 m; (c)
Fig. 23. Scatter plot of vertical airflow at different heights on a sunny day. (a) 200 m; (b) 500 m; (c)
Fig. 25. Wind radar map of Beijing from June 21 to 23. (a) Horizontal wind speed; (b) Horizontal wind direction; (c) Vertical wind speed
Fig. 26. Wind direction profile at 9 a.m. and 9 p.m. on 21-23 June 2024
Table 1. Design parameter table for coherent wind radar
View tableView in ArticleTable 1. Design parameter table for coherent wind radar
Technical parameters Value Wavelength/nm 1550 Detection distance/m 50- 4000 Spatial resolution/m 30,45,60,90 Temporal resolution/s 10 Wind speed measurement range/m·s−1 0-60 Wind direction measurement range/(°) 0-360 Wind direction error/(°) ≤8 Horizontal wind speed error/m·s−1 ≤0.8 Vertical airflow error/m·s−1 ≤0.3 Blind spot/m ≤50 Operating temperature/℃ −40-50 Weight/kg ≤45
Table 2. Comparison table of wind speed error and correlation at different heights
View tableView in ArticleTable 2. Comparison table of wind speed error and correlation at different heights
Height/m Number of samples Correlation Mean error Median error 25th percentile error 75th percentile error 注：*表示在0.05水平上显著相关 320 72 0.966* 0.601 −0.113 −0.516 0.333 500 72 0.975* 0.598 0.080 −0.626 0.497 680 72 0.980* 0.528 −0.156 −0.623 0.261 860 72 0.975* 0.584 −0.044 −0.591 0.441 1040 72 0.965* 0.657 −0.141 −0.759 0.498 1220 72 0.974* 0.572 −0.173 −0.548 0.246 1400 68 0.974* 0.663 0.145 −0.600 0.679 1580 68 0.987* 0.501 0.271 −0.034 0.576 1760 68 0.982* 0.551 0.124 −0.257 0.508 1940 64 0.981* 0.500 0.030 −0.358 0.418 2120 59 0.967* 0.597 −0.318 −0.516 0.541 2300 52 0.958* 0.659 −0.325 −0.759 0.432 2480 54 0.971* 0.494 −0.112 −0.481 0.324 2660 36 0.937* 0.625 0.075 −0.483 0.737 2840 33 0.871* 0.774 −0.263 −0.606 0.560
Table 3. Comparison table of wind direction error and correlation at different altitudes
View tableView in ArticleTable 3. Comparison table of wind direction error and correlation at different altitudes
Height/m Number of samples Correlation Mean error Median error 25th percentile error 75th percentile error 注：*表示在0.05水平上显著相关 320 72 0.972* 7.405 −2.24 −6.396 0.125 500 72 0.982* 6.432 −2.67 −8.158 1.086 680 72 0.986* 5.062 −1.13 −5.631 1.938 860 72 0.977* 5.757 0.912 −4.114 4.482 1040 72 0.982* 6.260 1.415 −3.413 4.724 1220 72 0.974* 7.880 −2.57 −6.987 3.457 1400 68 0.985* 8.088 −1.15 −6.484 6.791 1580 68 0.995* 5.886 −0.82 −5.450 2.634 1760 68 0.975* 6.616 −2.57 −7.834 2.756 1940 64 0.994* 5.987 0.280 −4.431 4.711 2120 59 0.961* 7.785 0.695 −5.402 5.670 2300 52 0.958* 8.183 0.941 −2.845 6.397 2480 54 0.929* 7.930 0.713 −3.056 7.649 2660 36 0.929* 9.841 −0.58 −6.459 7.489 2840 33 0.945* 7.606 0.267 −6.865 5.906
Table 4. Coherent wind radar and radiosonde data profile error table
View tableView in ArticleTable 4. Coherent wind radar and radiosonde data profile error table
Group Type Height/m Correlation Mean absolute error Standard deviation 1 Wind speed 50- 2500 0.960 0.41 m/s 0.54 m/s Wind direction 0.966 7.08° 7.45° 2 Wind speed 50- 2300 0.924 0.27 m/s 0.39 m/s Wind direction 0.981 3.54° 4.13° 3 Wind speed 50- 2600 0.942 0.333 m/s 0.47 m/s Wind direction 0.965 5.36° 4.52° 4 Wind speed 50- 2500 0.986 0.92 m/s 2.65 m/s Wind direction 0.927 5.36° 6.07° 5 Wind speed 50- 2400 0.974 0.91 m/s 1.06 m/s Wind direction 0.930 6.49° 8.87° 6 Wind speed 50- 3000 0.988 0.37 m/s 0.49 m/s Wind direction 0.996 7.04° 8.05° Mean Wind speed - 0.962 0.535 0.93 m/s Wind direction 0.960 5.81° 6.52°
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Baohua DONG, Xiaowei XIA, Peng ZHUANG, Chenbo XIE, Yueling ZHOU, Xiantao KONG, Hongyan LUO. Analysis of typical process of urban wind field with coherent wind measurement lidar[J]. Infrared and Laser Engineering, 2025, 54(1): 20240388
Paper Information
Category: 激光器与激光光学
Received: Sep. 10, 2024
Accepted: --
Published Online: Feb. 12, 2025
The Author Email: Hongyan LUO (lhycc008@163.com)
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