[使用综合深度学习模型考虑特征气象因素对PM10集中在干散货港口的预测]
Jin-Xing Shen1, Qin-Xin Liu1, Xue-Jun Feng2
1College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China.
Huan jing ke xue= Huanjing kexue
|September 26, 2024
概括
在干散货港口准确预测颗粒物 (PM10) 度至关重要. 结合CNN,LSTM和注意力机制的新型深度学习模型通过考虑气象因素改善了PM10预测.
科学领域:
- 环境科学 环境科学
- 数据科学数据科学数据科学
- 工程 工程师 工程师 工程师
背景情况:
- 准确预测PM10度对于管理干散货港口的健康和经济风险至关重要.
- 由于港口活动和气象影响,PM10的非线性时间序列变化很难被捕获.
研究的目的:
- 开发和评估一种新的综合深度学习模型 (CLAF),用于预测干散货港口每小时的PM10度.
- 评估气象因素对PM10预测准确性的影响.
主要方法:
- 提出了一个级联深度学习模型 (CLAF),结合了卷积神经网络 (CNN),长期短期记忆 (LSTM) 和注意力机制 (AM).
- 随机森林被用来识别显著的气象因素,然后与PM10数据集成.
- CNN提取了高维特征,LSTM捕获了顺序依赖关系,AM提炼了重要的信息.
主要成果:
- 与基本和常用的预测模型相比,CLAF模型显示出更高的性能.
- 纳入气象因素显著提高了PM10预测准确性和装配性能.
- 通过CLAF模型,实现了平均绝对误差 (13.92%-56.9%) 和平均平方误差 (45.99%-81.02%) 的降低,并改善了适合性 (3.2%-15.5%).
结论:
- 通过整合气象数据,CLAF模型有效地预测干散货港口的PM10度.
- 该研究强调了考虑气象因素对于工业环境中准确的PM10预测的重要性.
- 拟议的CLAF模型为港口的实时环境监测和风险管理提供了可靠的解决方案.
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