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亚热带森林中的时间动态和负气离子与环境因素之间的关系,中国

Changshun Li^1,2, Chen Zong², Bo Chen³

¹College of Forestry, Fujian Agriculture and Forestry University, Fuzhou, 350002, Fujian, China.

Scientific reports

|April 10, 2025

概括

森林中的负气离子 (NAI) 对健康有益,但环境因素会影响它们的含量. 这项研究揭示了云中山的NAI季节性和日常模式,确定了主要的气象和空气质量驱动因素. 最佳的NAI暴露发生在夏天的早晨.

科学领域:

环境科学环境科学
大气化学大气化学
生态生态学生态生态学

背景情况:

森林环境中的负气离子 (NAI) 与许多健康益处有关,包括改善呼吸功能和减少压力.
气象,空气质量和辐射因素影响NAI度的确切机制仍然不完全理解.
了解这些动态对于优化森林浴体验和空气质量管理至关重要.

研究的目的:

为了调查云中山森林内NAI的动态变化.
识别和量化气象,空气质量和辐射因素对NAI度的影响.
为了确定在这个南亚亚亚热带森林中经历NAI峰值水平的最佳条件.

主要方法:

在云中山森林中长期监测NAI.
线性混合模型,结构方程模型和生态利基模型的应用.
相关性和通用线性混合分析,以评估因素影响.

主要成果:

纳伊度表现出夏季 > 秋季 > 冬季 > 春季的季节性模式,在8月达到顶峰. 每日峰值发生在上午8点左右.
美国国家排放指数与NO2,空气温度,PM1,PM2.5,PM10负相关,与空气湿度正相关.
空气质量因素 (PM2.5,O3,NO2) 和气象因素 (湿度,温度) 显著影响了NAI水平,空气质量主导季节性/月度动态,气象影响日常变化.

结论:

云中山森林的NAI度显示出明显的季节性和日常变化,受到环境因素的影响.
空气质量和气象条件在调节NAI水平方面直接和间接发挥着重要作用.
峰值NAI度,非常适合户外活动,在夏天的早晨 (七月至八月,早上7-8).

关键词:

驱动因素驱动因素森林的森林森林的森林.负气离子是空气中的负离子.结构方程模型的结构方程模型.

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