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相关概念视频

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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...
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Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
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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.
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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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相关实验视频

Updated: Jan 9, 2026

Simulating Impacts of Ice Storms on Forest Ecosystems
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全球冷浪灾害的全球视角

Mustafa Öcal1

  • 1Department of Emergency Medicine, Ufuk University Doctor Ridvan Ege Hospital, Ankara, Turkey. mustafaocal2244@gmail.com.

Scientific reports
|December 8, 2025
PubMed
概括
此摘要是机器生成的。

尽管气候变暖,全球范围内的寒波灾害正在增加. 这些事件造成了大量的死亡和经济损失,特别是在低收入和中等收入国家,突出了更好的防灾准备的必要性.

关键词:
气候变化 气候变化 气候变化寒波灾难的灾难是因为寒波.电磁数据 (EM-DAT) 是一种电子数据.极端天气事件是极端天气事件.脆弱性 易受伤害 脆弱性

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科学领域:

  • 气候科学 气候科学
  • 减少灾害风险 减少灾害风险
  • 全球环境变化 全球环境变化

背景情况:

  • 在全球范围内,冷波灾害对生命和财产构成重大威胁.
  • 了解寒冷极端的全球模式至关重要,尤其是在气候变暖的背景下.
  • 现有的研究尚未完全阐明全球冷波灾害的趋势和影响.

研究的目的:

  • 从1951年到2023年量化全球冷波灾害的频率,死亡率和经济损失.
  • 分析冷波灾害频率和死亡率的时间趋势.
  • 评估区域差异,并确定最容易受到冷波影响的地区.

主要方法:

  • 利用EM-DAT数据库识别和分析冷波灾害事件.
  • 应用线性回归模型来评估灾害频率和死亡率的年度和十年趋势.
  • 计算"每次灾难死亡人数"作为脆弱性的关键指标.

主要成果:

  • 在70个国家共记录了312次冷波灾难,造成17933人死亡,损失524.8亿美元.
  • 灾难频率显示,随着时间的推移,灾难频率呈现显著的上升趋势 (0.14事件/年).
  • 虽然每年死亡率趋势并不显著,但十年死亡率显著增加;亚洲占全球死亡人数的一半以上,印度遇到的事件和死亡人数最多.

结论:

  • 与全球变暖的预期相反,全球范围内的寒波灾害增加了.
  • 寒冷波造成的死亡率不成比例地影响到低收入和中等收入国家.
  • 加强预警系统,公平的适应战略和国际合作对于减轻越来越多的寒波灾害的影响至关重要.