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探索机器学习算法,以准确预测马来西亚马达河的水位
Muhamad Nur Adli Zakaria1, Ali Najah Ahmed1,2, Marlinda Abdul Malek3
1Department of Civil Engineering, College of Engineering, Universiti Tenaga Nasional (UNITEN), 43000, Kajang, Selangor, Malaysia.
Heliyon
|July 17, 2023
概括
准确的水位预测对于洪水预警至关重要. 多层感知神经网络 (MLP-NN) 在预测河流水位方面表现最好,优于其他机器学习模型.
科学领域:
- 环境科学环境科学
- 水文学的水文学
- 数据科学是数据科学.
背景情况:
- 准确的水位预测对于有效的洪水预警系统和可持续的淡水资源管理至关重要.
- 预测河流和湖泊的水位需要强大的建模技术来处理复杂的水文动态.
研究的目的:
- 开发和比较三种机器学习算法的性能,用于马来西亚马达河的水位预测.
- 评估气象数据整合和不同时间范围对模型准确性的影响.
主要方法:
- 应用多层感知神经网络 (MLP-NN),长期短期记忆神经网络 (LSTM) 和极端梯度增强 (XGBoost) 模型.
- 利用2016年至2018年的每日水位和气象数据进行模型开发和测试.
- 通过使用准确度评分来评估模型性能,并在不同的时间范围内评估预测能力.
主要成果:
- MLP-NN模型实现了最高的整体精度 (0.871),超过了LSTM (0.865) 和XGBoost (0.831).
- 纳入气象数据并没有显著提高任何测试模型的预测准确性.
- LSTM模型在7天前的预测中表现出卓越的性能,突出了它在捕捉长期依赖方面的优势.
结论:
- 每个机器学习模型都有独特的优缺点,性能高度依赖于数据的数量和质量.
- 对于短期的水位预测,MLP-NN是有效的,而LSTM在长期预测方面表现出色.
- 对于水位预测的机器学习模型的选择应根据具体的项目要求和数据可用性进行量身定制.
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