相关实验视频
Updated: Jun 6, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.0K
通过基于改进的DRASTIC方法的机器学习模型提高地下水资源质量预测
Ali Bakhtiarizadeh1, Mohammad Najafzadeh2, Sedigheh Mohamadi3
1Department of Water Engineering, Faculty of Civil and Surveying Engineering, Graduate University of Advanced Technology, Kerman, 76315117, Iran.
Scientific reports
|December 2, 2024
概括
这项研究评估了Kerman-Baghin的地下水脆弱性,使用软计算方法预测酸盐脆弱性指数 (NVI). 进化多项式回归 (EPR) 显示出最佳表现,确定大多数地区的地下水脆弱性非常低至低.
科学领域:
- 水文地质学和环境科学
- 水资源管理 水资源管理
- 地球科学中的计算智能.
背景情况:
- 评估地下水的脆弱性对于有效地管理地下水资源至关重要.
- 可靠的地下水脆弱性地图指导了实际的保护和管理策略.
- 克尔曼-巴金平原水层的脆弱性需要进行详细的评估.
研究的目的:
- 评估克尔曼-巴金平原水层的地下水脆弱性.
- 使用软计算方法开发和比较酸盐脆弱性指数 (NVI) 的配方.
- 确定最有效的软计算模型来预测地下水的脆弱性.
主要方法:
- 采用软计算技术:基因表达编程 (GEP),进化多项式回归 (EPR),多变量自适应回归分线 (MARS) 和M5模型树 (MTM5).
- 利用了九个输入参数,包括水深,充电,含水层和土壤特性,地形,不和区效应,液压导电性和土地利用.
- 计算的复合DRASTIC指数 (CD) 和酸盐脆弱性指数 (NVI) 用于脆弱性映射.
主要成果:
- 进化多项式回归 (EPR) 在预测酸盐脆弱性指数方面表现出最高的准确性 (R=0.9999,RMSE=0.2105).
- 多变量自适应回归线 (MARS) 和M5模型树 (MTM5) 由于结构更简单,被确定为合适的替代方案.
- 根据MARS模型,该地区73.06%的脆弱性非常低,26.94%的脆弱性很低.
结论:
- 软计算技术为评估DRASTIC指数和地下水脆弱性提供了有效的配方.
- 在研究的水层中,EPR是NVI预测中最准确的模型.
- 克尔曼-巴金水层主要以非常低至低的地下水脆弱性为特征.
相关概念视频
Design Example: Creating a Hydraulic Model of a Dam Spillway
124
Scaled hydraulic models of dam spillways provide a practical way to replicate and study the intricate flow dynamics of these structures. Often built to a 1:15 ratio, these models allow for observing critical water behavior, such as velocity distribution, flow patterns, and energy dissipation.
124
Typical Model Studies
340
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.
340
Modeling and Similitude
245
Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
245
Levels of Use of a GIS
42
Geographic Information Systems (GIS) operate across three levels of application, each representing an increasing degree of complexity: data management, analysis, and prediction. These levels reflect the expanding functionality and versatility of GIS technology in handling spatial data for diverse purposes.Data ManagementAt its foundational level, GIS serves as a tool for data management, enabling the input, storage, retrieval, and organization of spatial data. This level is often employed in...
42
Responses to Drought and Flooding
10.6K
Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.
10.6K

