森林疗法基础中的生物原挥发性有机化合物:空气污染物的来源还是医疗保健功能?
Ju Wu1, Qiang Wang2, Chengyang Xu3
1College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China; Key Laboratory for Forest Silviculture and Conservation of Ministry of Education, Key Laboratory for Silviculture and Forest Ecosystem Research in Arid- and Semi-arid Region of State Forestry Administration, Research Center for Urban Forestry, Beijing Forestry University, Beijing 100083, China.
The Science of the total environment
|May 3, 2024
概括
森林中的生物性挥发性有机化合物 (BVOC) 可以减轻臭氧和PM2.5等空气污染物,为健康带来好处. 在低污染地区建立森林治疗基地有助于福祉和可持续发展.
科学领域:
- 环境科学 环境科学
- 大气化学 大气化学
- 公共卫生 公共卫生
背景情况:
- 空气污染是一个主要的公共卫生问题.
- 生物原有挥发性有机化合物 (BVOCs) 影响空气质量和森林健康.
- 森林中BVOCs和空气污染物之间的关系尚未完全理解,这影响了污染控制和森林医疗保健应用.
研究的目的:
- 研究森林治疗环境中BVOC的季节性变化.
- 为了确定总挥发性有机化合物 (TVOC) 对臭氧 (O3) 和细颗粒物 (PM2.5) 度在鼻子高度的影响.
- 评估针叶树林作为医疗保健资源的潜力.
主要方法:
- 在阳光明的日子里收集了森林空气样本来检测TVOC.
- 同时监测空气污染物 (O3,PM2.5) 和气象因素.
- 分析了TVOC,BVOC排放量和空气污染物度之间的季节性相关性.
主要成果:
- 来自Pinus tabuliformis的排放主要由单类物质占据主导地位,其中α-pinene是重要的组成部分.
- 在天花板下的TVOC和BVOC排放率之间的相关性在不同季节是微弱的.
- TVOCs与O3和PM2.5的季节性负相关性显著,特别是在夏季和秋季.
- 氧化VOC在秋季与O3表现出强烈的负线性关系 (R2 = 0.40).
- 森林内外空气污染物度的差异因季节而异.
结论:
- 针叶树林中的BVOC通过减轻空气污染物,有助于医疗保健功能.
- 农村低NOx地区的森林治疗基地可以促进健康,福祉和可持续发展.
- 了解BVOC与空气污染物的相互作用是优化森林医疗保健效益的关键.
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