使用集群智能和梯度增强算法的协同方法绘制易受洪水影响的区域地图
Seyed Vahid Razavi-Termeh1, Abolghasem Sadeghi-Niaraki2, Sani I Abba3
1Department of Computer Science and Engineering and Convergence Engineering for Intelligent Drone, XR Research Center, Sejong University, Seoul, Republic of Korea.
Scientific reports
|July 31, 2025
概括
通过集群智能优化机器学习模型,可显著提高洪水易感度绘图的准确性. 这种新的方法通过提供更可靠的预测来增强洪水管理策略.
科学领域:
- 环境科学 环境科学
- 地理信息科学 地理信息科学
- 人工智能的人工智能
背景情况:
- 准确的洪水易感性映射 (FSM) 对于有效的洪水风险管理至关重要.
- 现有的FSM方法往往缺乏机器学习模型的最佳超参数调整,导致精度降低.
- 需要先进的技术来提高FSM的精度,以便更好地做出决定.
研究的目的:
- 引入和评估一种新的方法来提高FSM的准确性.
- 优化CatBoost机器学习算法使用基于群体的元启发算法 (斑马优化算法 - ZOA,鱼优化算法 - WOA).
- 通过应用优化的CatBoost模型,增强伊朗Shushtar县的FSM.
主要方法:
- 使用了13个影响洪水的参数和洪水发生点作为FSM的输入数据.
- 应用了CatBoost算法和使用ZOA (CatBoost-ZOA) 和WOA (CatBoost-WOA) 的优化版本.
- 基于洪水易感性地图的准确度指标评估模型性能.
主要成果:
- 标准的CatBoost模型实现了84.2%的精度.
- CatBoost-WOA模型的准确率达到了85%.
- CatBoost-ZOA模型以87.2%的精度显示出最高的精度,比非优化的CatBoost模型绝对改善3.0%.
结论:
- 将基于群体的优化算法与机器学习相结合,可以显著提高FSM的准确性.
- 优化的CatBoost模型 (CatBoost-ZOA和CatBoost-WOA) 为FSM提供了更准确和可靠的方法.
- 这种非结构性方法为洪水管理和决策提供了宝贵的见解.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
102
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
102
Applications of GIS: Disaster Management and Emergency Response
155
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
155
Design Example: Maintaining Level of an Embankment
124
Constructing a roadway embankment over uneven terrain requires precise leveling to ensure stability and proper drainage. Surveyors use a leveling instrument and staff to calculate ground elevations and determine the required fill material at each point along the embankment alignment.The process begins by positioning a leveling instrument near a benchmark with a known elevation. A backsight reading establishes the instrument height, which serves as a reference for subsequent measurements. A...
124
Responses to Drought and Flooding
11.0K
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.
11.0K
Methods of Obtaining Topography
119
Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
119
Levels of Use of a GIS
103
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...
103


