预测土壤盐度在乌普特鲁河口流域,印度,使用机器学习技术
Sireesha Mantena1, Vazeer Mahammood2, Kunjam Nageswara Rao3
1Department of Geo-Engineering, Andhra University, Visakhapatnam, 530003, India. sireeshamantena235@gmail.com.
Environmental monitoring and assessment
|July 27, 2023
概括
本研究引入了一种机器学习方法,使用遥感来监测水产养殖池中的土壤盐度. CatBoost回归模型表现出卓越的准确性,可以有效地预测土壤盐度.
科学领域:
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
- 机器学习 机器学习
背景情况:
- 土壤盐化会降低土地的质量,特别是在水的内陆水产养殖池周围.
- 由于空间和时间的变化,监测大面积是具有挑战性的.
研究的目的:
- 用遥感数据和机器学习来预测土壤盐度.
- 为了比较各种回归模型对土壤盐度估计的性能.
主要方法:
- 使用线性模型 (线性回归,LASSO,Ridge,弹性网) 和增强算法 (XGBoost,LightGBM,CatBoost).
- 使用70/30数据分割进行培训和测试,并进行交叉验证.
- 使用R2,RMSE,MSE和MAE指标评估模型性能.
主要成果:
- CatBoost回归器模型实现了最高的精度.
- 测试阶段的结果:MAE=0.42,MSE=0.28,RMSE=0.53,R2=0.92. 测试阶段的结果:MAE=0.42,MSE=0.28,RMSE=0.53,R2=0.92. 测试阶段的结果:MAE=0.42,MSE=0.28,RMSE=0.53,R2=0.92. 测试阶段的结果:MAE=0.42,MSE=0.28,RMSE=0.53,R2=0.92.
- 培训阶段的结果:MAE=0.49,MSE=0.36,RMSE=0.60,R2=0.90. 这样就没有什么问题了.
结论:
- 建议使用CatBoost回归器来监测印度水产养殖区的土壤盐度.
- 机器学习和遥感为大规模的土壤盐度评估提供了强大的解决方案.
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