在俄乌战争的三年后,对空气污染表面到柱状变化的全面分析
Mykhailo Savenets1, Liudmyla Nadtochii2, Liudmyla Malytska3,4
1Department of Atmosphere Monitoring, Ukrainian Hydrometeorological Institute of the State Emergency Service of Ukraine and the National Academy of Sciences of Ukraine, Kyiv, Ukraine. savenets@uhmi.org.ua.
Environmental science and pollution research international
|February 18, 2026
概括
俄罗斯 - 乌克兰战争造成了显著的空气质量转变,局部污染因袭击而升,地区污染物如二氧化 (NO2) 减少. 总体而言,排放量发生了变化,在不同地区对空气质量产生了不同的影响.
科学领域:
- 环境科学 环境科学
- 大气化学 大气化学
- 遥感 遥感 遥感 遥感
背景情况:
- 持续的俄罗斯-乌克兰战争对该地区的环境产生了深远的影响.
- 空气质量监测对于了解战争的生态后果至关重要.
研究的目的:
- 在俄罗斯-乌克兰战争期间进行空气污染物变化 (2019-2024) 的首次多时间评估.
- 分析短期污染事件和长期变化.
- 区分城市地区,前线附近和区域的影响.
主要方法:
- 利用遥感数据和近地观测.
- 分析的污染物度包括总悬浮颗粒 (TSP),二氧化硫 (SO2),二氧化 (NO2),一氧化碳 (CO) 和甲 (CH2O).
- 将2019-2024年的数据进行比较,以评估对战争背景的变化.
主要成果:
- 短期攻击导致近地污染物急剧增加 (100-400%,极端>1000%).
- 平均三年变化显示,TSP在城市下降,但在前线附近增加 (+14%).
- 区域NO2一般下降 (10-30%),CO大多下降,SO2在某些地区上升,而CH2O在乌克兰北部下降 (-12%).
- 卫星数据证实了特定地点的区域NO2降低 (高达30%) 和CO降低 (10%).
结论:
- 战争具有双重效应:抑制常规排放,同时创造局部污染热点.
- 观察到的空气质量变化是复杂的,涉及排放源的重新分配和不同污染物和地区的不同影响.
- 调查结果强调了在冲突期间和冲突后持续环境监测的必要性.
相关概念视频
01:19Factors Affecting Pulmonary Ventilation
Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
01:20Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
01:24Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...