级联相关神经网络 (CCNN) 和前神经网络 (FFNN) 之间的比较调查,用于预测悬浮沉积物度的机器学习模型
Bhupendra Joshi1, Vijay Kumar Singh2, Dinesh Kumar Vishwakarma3
1Department of Agricultural Engineering, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, 221005, India.
Scientific reports
|May 9, 2024
概括
级联相关神经网络 (CCNN) 模型在预测每日悬浮沉积物度 (SSC) 方面表现优于前神经网络 (FFNN). CCNN展示了在印度Sheonath盆地SSC的优越水文预测潜力.
科学领域:
- 环境科学 环境科学
- 水文学的水文学
- 机器学习 机器学习
背景情况:
- 准确的悬浮沉积物度 (SSC) 预测对于水资源管理,基础设施设计和生态健康至关重要.
- 印度的Sheonath盆地由于沉积物运输动态而面临水资源管理方面的挑战.
研究的目的:
- 为了比较级联相关神经网络 (CCNN) 和Feedforward神经网络 (FFNN) 的有效性,用于预测每天的SSC.
- 为了确定SSC预测模型的最佳输入变量组合.
主要方法:
- 利用Simga和Jondhara站的每日SSC和2010-2015年的排放数据.
- 使用统计指数 (NES,RMSE,WI,LM) 和图形方法开发和评估了CCNN和FFNN模型.
- 测试了9种输入组合,具有不同的放电延迟时间 (Qt-n) 和SSC (St-n).
主要成果:
- 使用四个滞后SSC输入的CCNN4模型在两个站点实现了最佳性能.
- 对于Jondhara站,CCNN4的产量是RMSE=95.02 mg/l,NES=0.662,WI=0.890和LM=0.668.8的结果.
- 对于辛加站,CCNN4实现了RMSE=53.71 mg/l,NES=0.785,WI=0.936和LM=0.788.4 的结果.
结论:
- CCNN模型在Sheonath盆地每日SSC预测方面表现优于FFNN.
- CCNN对水文预测具有重大潜力,特别是在复杂的沉积物运输关系的场景中.
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