粒子状物 (PM2.5) 的模式发现数据集 日本的污染趋势
Uday Kiran Rage1, Vanitha Kattumuri2, Arjun Chakravarthi Pogaku2
1The University of Aizu, Ikkimachi, Aizu-Wakamatsu, 965-8580, Fukushima, Japan. udayrage@u-aizu.ac.jp.
Scientific data
|June 16, 2025
概括
一个新的数据集揭示了日本地区的细颗粒物 (PM2.5) 持续高水平. 这种资源有助于空气质量研究和有针对性的缓解策略,以改善公共卫生.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 数据科学数据科学数据科学
背景情况:
- 空气污染,特别是细颗粒物 (PM2.5),是日本死亡的主要原因.
- 尽管空气质量有所改善,但高PM2.5暴露仍然是一个重大的健康问题.
- 现有的研究往往缺乏全面的数据来识别持久高PM2.5水平的地区.
研究的目的:
- 开发日本各地的PM2.5测量的大规模,高质量的数据集.
- 为了准确检查长期的PM2.5暴露模式.
- 支持识别具有持续高PM2.5度的地区.
主要方法:
- 从全国大约1900个传感器收集了5年的每小时PM2.5数据.
- 使用ER-Schema隔离PM2.5数据进行集中分析.
- 应用已建立的模式挖矿模型来验证数据集并确定高暴露区域.
主要成果:
- 开发了一个全面的数据集,涵盖了广泛的时间和空间尺度.
- 成功识别出具有持续高PM2.5水平的地区.
- 证明了数据集在确定污染热点方面的有效性.
结论:
- 新的PM2.5数据集是日本空气质量研究的宝贵资源.
- 促进针对高污染地区制定有针对性的减缓战略.
- 增强对污染动态及其对健康的影响的理解.
更多相关视频
07:32Detection of 3-Nitrotyrosine in Atmospheric Environments via a High-performance Liquid Chromatography-electrochemical Detector System
Published on: January 30, 2019
7.6K
09:33Visualizing Field Data Collection Procedures of Exposure and Biomarker Assessments for the Household Air Pollution Intervention Network Trial in India
Published on: December 23, 2022
2.4K
相关概念视频
Precipitate Formation and Particle Size Control
993
In precipitation gravimetry, the precipitating agent should react specifically or selectively with the analyte. While a specific reagent reacts with the analyte alone, a selective reagent can react with a limited number of chemical species.
The obtained precipitate should be either a pure substance of known composition or easily converted to one by a simple process, such as ignition or drying. In addition, the precipitate should be insoluble and easily filterable. In general, filterability...
The obtained precipitate should be either a pure substance of known composition or easily converted to one by a simple process, such as ignition or drying. In addition, the precipitate should be insoluble and easily filterable. In general, filterability...
993
Sampling Plans
293
Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
293
