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相关概念视频

Design Example: Analyzing Capacity Contours for Flood Risk Assessment01:17

Design Example: Analyzing Capacity Contours for Flood Risk Assessment

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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...
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An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
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Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...
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  1. 首页
  2. 研究领域
  3. 工程学
  4. 环境工程
  5. 健康和生态风险评估
  6. 整合eco-drr到滑坡易感性评估:生态环境因素的关键作用

整合Eco-DRR到滑坡易感性评估:生态环境因素的关键作用

Mélanie Broquet1, Pedro Cabral2, Felipe S Campos3

  • 1NOVA Information Management School (NOVA IMS), Universidade Nova de Lisboa, Campus de Campolide, 1070-312, Lisboa, Portugal.

Journal of environmental management
|August 21, 2025

相关实验视频

Watershed Planning within a Quantitative Scenario Analysis Framework
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Watershed Planning within a Quantitative Scenario Analysis Framework

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Laboratory and Field Protocol for Estimating Sheet Erosion Rates from Dendrogeomorphology
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Modifying the Bank Erosion Hazard Index BEHI Protocol for Rapid Assessment of Streambank Erosion in Northeastern Ohio
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在PubMed 上查看摘要

概括
此摘要是机器生成的。

整合生态环境因素显著提高了滑坡易感性预测的准确性. 这种方法通过突出关键的生态系统指标来改善灾害风险降低策略.

科学领域:

  • 地球和环境科学
  • 地质科学
  • 减少灾害风险

背景情况:

  • 土地滑坡易感性评估通常集中在地形和地质等结构因素上.
  • 生态环境变量经常被忽视,限制了传统风险评估的准确性.
  • 基于生态系统的灾害风险降低 (Eco-DRR) 提供了一个整合生态考虑的框架.

研究的目的:

  • 开发和评估使用基于生态系统的灾害风险降低 (Eco-DRR) 原则的多维滑坡易感性评估框架.
  • 将整合结构因素的模型与结合结构和生态环境因素的模型的预测性能进行比较.
  • 识别关键的生态环境指标,以提高对山体滑坡易感性的预测.

主要方法:

  • 在卢旺达西部使用随机森林模型的案例研究.
  • 整合了九个维度的60个变量:结构 (地形,地质,水文) 和生态环境 (土壤健康,植被,景观组成,时间动态).
  • 测试了六种模型配置,以评估不同变量集的贡献.

主要成果:

  • 与仅使用结构因素 (83%) 的模型相比,结合结构因素和生态环境因素的模型的准确性更高 (高达93%).
  • 重要预测因素包括坡度,土壤湿度和土地使用转变动态.
  • 生态环境变量明显提高了滑坡易感模型的预测准确度.
关键词:
条件因素生态DRR生态环境因素土地滑坡易感性的评估

相关实验视频

Watershed Planning within a Quantitative Scenario Analysis Framework
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Laboratory and Field Protocol for Estimating Sheet Erosion Rates from Dendrogeomorphology
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结论:

  • 在Eco-DRR框架内整合生态环境因素显著提高了对山体滑坡易感性评估的准确性.
  • 这项研究提供了关于生态环境变量在山体滑坡过程中的重要性的定量证据.
  • 这些发现为针对性生态系统干预和改善易发生山体滑坡的地区的防灾提供了可操作的见解.
随机森林