来自哥伦比亚安第斯山脉地面光谱放射测量的总柱臭氧
Lina Puerta1, Miguel-Ángel Garrido-Tamayo2, Daniel Nisperuza3
1CBATA Research Group, Tecnológico de Antioquia - Institución Universitaria, Calle 78B # 72A - 220, 050034, Medellín, Colombia.
Environmental monitoring and assessment
|March 11, 2026
概括
由于污染,哥伦比亚总臭氧的地面遥感具有挑战性. 当地空气质量显著影响臭氧测量,在阴云或污染条件下与卫星数据的相关性有限.
科学领域:
- 大气科学 大气科学
- 环境监测 环境监测
- 遥感 遥感 遥感 遥感
背景情况:
- 在哥伦比亚,用于总臭氧 (O3) 量化的遥感尚未得到充分探索.
- 现场测量和卫星观测是主要使用的方法.
- 具有复杂地形的城市地区对基于地面的遥感构成了挑战.
研究的目的:
- 在哥伦比亚安第斯山脉污染的城市山谷中使用多布森方法估计总柱O3.
- 评估当地的大气污染和气候变异对臭氧估计的影响.
- 将地面测量与来自NASA的OMI卫星数据进行比较.
主要方法:
- 利用多布森方法论进行地面紫外线太阳光谱放射测量.
- 在2020年和2022年进行了两次测量活动.
- 将地面的O3数据与NASA的Aura卫星上的臭氧监测仪器 (OMI) 的O3数据进行了比较.
主要成果:
- 发现当地的大气污染和气候变化直接影响了总臭氧估计.
- 在部分晴朗天气条件下,在地面和OMI O3值之间观察到适度的线性关系 (r=0.55).
- 在部分阴天和严重污染条件下,在地面和OMI O3值之间没有发现显著的相关性.
结论:
- 基于地面的多布森测量提供了对总臭氧的洞察力,但对当地的大气条件敏感.
- 在受污染的城市山谷中,地面臭氧遥感的准确性受到空气质量和天气的限制.
- 需要进一步的研究来完善在具有挑战性的环境中遥感技术.
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