Time-Series Prediction of Intense Wind Shear Using Machine Learning Algorithms: A Case Study of Hong Kong International Airport

被引:8
|
作者
Khattak, Afaq [1 ]
Chan, Pak-Wai [2 ]
Chen, Feng [1 ]
Peng, Haorong [3 ]
机构
[1] Tongji Univ, Key Lab Infrastructure Durabil & Operat Safety Air, 4800 Caoan Rd, Shanghai 201804, Peoples R China
[2] Hong Kong Observ, 134A Nathan Rd, Hong Kong, Peoples R China
[3] Shanghai Res Ctr Smart Mobil & Rd Safety, Shanghai 200092, Peoples R China
基金
中国国家自然科学基金;
关键词
wind shear; time-series modeling; machine learning; Bayesian optimization; LIDAR;
D O I
10.3390/atmos14020268
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Machine learning algorithms are applied to predict intense wind shear from the Doppler LiDAR data located at the Hong Kong International Airport. Forecasting intense wind shear in the vicinity of airport runways is vital in order to make intelligent management and timely flight operation decisions. To predict the time series of intense wind shear, Bayesian optimized machine learning models such as adaptive boosting, light gradient boosting machine, categorical boosting, extreme gradient boosting, random forest, and natural gradient boosting are developed in this study. The time-series prediction describes a model that predicts future values based on past values. Based on the testing set, the Bayesian optimized-Extreme Gradient Boosting (XGBoost) model outperformed the other models in terms of mean absolute error (1.764), mean squared error (5.611), root mean squared error (2.368), and R-Square (0.859). Afterwards, the XGBoost model is interpreted using the SHapley Additive exPlanations (SHAP) method. The XGBoost-based importance and SHAP method reveal that the month of the year and the encounter location of the most intense wind shear were the most influential features. August is more likely to have a high number of intense wind-shear events. The majority of the intense wind-shear events occurred on the runway and within one nautical mile of the departure end of the runway.
引用
收藏
页数:14
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