相关实验视频
Updated: Jun 24, 2025

09:27
Wind Tunnel Experiments to Study Chaparral Crown Fires
Published on: November 14, 2017
9.7K
野火后的社区变化:来自2018年野火的证据
Kathryn McConnell1, Christian V Braneon2
1Population Studies and Training Center, Brown University.
概括
破坏性野火不成比例地影响价值较低的房屋,并增加了社会分层. 火灾后的重建有利于更高价值的,业主占用的住宅,可能导致成本负担 gentrification.
科学领域:
- 灾难科学 科学 灾难科学
- 城市规划 城市规划
- 社会科学 社会科学 社会科学
背景情况:
- 越来越破坏性的野火需要了解对受影响社区的长期影响.
- 美国2018年的野火为检查野火后社区变化提供了一个案例研究.
研究的目的:
- 记录大规模野火后社区的社会和生物物理变化.
- 为了识别住宅破坏和重建的模式.
- 探索建筑环境在灾害影响中的作用.
主要方法:
- 在Camp Fire燃烧足迹中分析了超过17,000个住宅结构.
- 地理空间机器学习以识别重建的建筑物.
- 统计建模用于评估结构损失和重建的预测因素.
主要成果:
- 移动汽车/摩托车,价值较低的住宅和缺席者拥有的住宅面临更高的破坏概率,这表明社会分层的损害.
- 重建的房屋更有可能是业主居住的,并且火灾前的房产价值更高.
- 建筑类型是结构损失的独立预测因素,并不能完全由环境因素解释.
结论:
- 建筑环境显著推动了社会不平等的灾害影响.
- 野火后的恢复可能会通过成本负担 gentrification 加剧现有的不平等.
- 有针对性的野火缓解策略对于弱势群体和住房类型至关重要.
相关概念视频
Ecological Disturbance
17.1K
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.
17.1K
Habitat Fragmentation
17.5K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
17.5K
Responses to Drought and Flooding
10.7K
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.
10.7K
Ecological Succession
17.2K
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...
17.2K
Community Based Intervention
38
Community-based interventions in mental health represent a paradigm shift from institution-centered care to treatments embedded within the fabric of local communities. By prioritizing inclusion and leveraging existing societal structures, this approach fosters a supportive environment conducive to addressing mental health challenges while promoting individual dignity and agency.
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
Foundations of Community Mental Health Programs
Central to the success of community-based interventions is the...
38
Burn Injuries
2.5K
Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
2.5K

