相关实验视频
Updated: Jun 16, 2025

08:20
A Method for Quantifying Foliage-Dwelling Arthropods
Published on: October 20, 2019
5.8K
森林火灾风险评估的综合分类:弥合方法差距并提出未来方向
Zühal Özcan1, İnci Caglayan2, Özgür Kabak1
1Faculty of Management, Istanbul Technical University, Istanbul, Türkiye.
Environmental monitoring and assessment
|August 20, 2024
概括
这项研究创建了一个分类系统来对森林火灾风险评估研究进行分类,揭示了先进的机器学习和优化建模中的差距. 未来的工作应该整合这些方法,以更好地预测和管理火灾.
科学领域:
- 环境科学 环境科学
- 林业林业 林业 林业 林业
- 自然危险管理自然危险管理
背景情况:
- 森林火灾风险评估对于环境管理和物种保护至关重要.
- 不断变化的环境变化需要对森林火灾风险评估进行最新的研究.
- 现有的文献缺乏对方法和研究趋势的结构化概述.
研究的目的:
- 开发一个全面的分类学框架来对森林火灾风险评估文献进行分类.
- 为了确定当前的趋势,研究差距,以及在该领域代表性不足的方法.
- 为改善森林火灾风险评估指导未来的研究方向.
主要方法:
- 一份关于森林火灾风险评估的170篇文章的系统审查和分类.
- 制定一个分类法,包括8个主要类别和23个子类别.
- 对分类文献进行分析,以确定趋势和差距.
主要成果:
- 开发的分类学提供了对现有研究的结构化概述.
- 确定的代表性不足的方法包括优化建模和先进的机器学习.
- 在量身定制的区域模型中存在研究差距,具有全球适应性.
结论:
- 新型建模技术有很大的潜力,特别是整合机器学习和多标准决策分析.
- 未来的研究应该专注于开发适应性模型,平衡区域特异性和全球适用性.
- 需要加强合作,以提高森林火灾风险评估的有效性.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
41
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...
41
Survival Tree
73
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
Building a Survival Tree
Constructing a...
Building a Survival Tree
Constructing a...
73
Hazard Rate
95
The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
95
Relative Risk
129
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
129
Assessment of Respiration
1.1K
The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like...
1.1K
Hazard Ratio
103
The hazard ratio (HR) is a widely used measure in clinical trials to compare the risk of events, such as death or disease recurrence, between two groups over time. It reflects the ratio of hazard rates—the instantaneous risk of the event occurring—between a treatment group and a control group. This measure provides valuable insights into the relative effectiveness of a treatment by assessing how the risk of an event differs between the two groups.
For example, in a clinical trial...
For example, in a clinical trial...
103

