Data set

You will need the "Spectrometer_V7-1" software o notepad to open this files.<br><br>The sampling was carried out in spring 2019 with an optical spectrometer, to measure the fractions of PM10, MP2.5, PM1 and the number and the surface of the particles.Sampling was performed by a GRIMM spectrometer, Mini-LAS 11-E model, located at 1.75 m above ground level according to the protocol for the exposure of the population to urban pollution. A time resolution of 1 minute was used, for two periods of 30 minutes to measure the fractions of PM10, PM2.5, and PM1 during one period, and the surface distribution and the number of particles during the other. The spectrometer has a laser diode with a wavelength in the visible range of 660nm. The intensity of the laser beam can be modulated, allowing it to detect particles between 0.25μm and 32μm and classify into 31 channels within the range.

需使用"Spectrometer_V7-1"软件或记事本打开本数据集文件。

本次采样于2019年春季开展，使用光学光谱仪测定PM10、PM2.5、PM1的质量占比，以及颗粒物的数量与表面积。采样采用GRIMM品牌的Mini-LAS 11-E型光谱仪完成，该仪器安装于距地面1.75米高度，遵循人群城市暴露污染监测的标准规程开展作业。本次采样采用1分钟的时间分辨率，分两个30分钟时段进行：其中一个时段测定PM10、PM2.5及PM1的质量占比，另一时段测定颗粒物的表面积分布与数量浓度。该光谱仪搭载波长为660nm的可见光波段激光二极管，激光光束强度可被调制，能够探测0.25μm至32μm范围内的颗粒物，并将其划分为31个检测通道。