ISO 28902-1:2012
空气质量.环境气象学.第1部分:运用激光雷达进行可视范围的地基遥感

Air quality - Environmental meteorology - Part 1: Ground-based remote sensing of visual range by lidar

标准号

ISO 28902-1:2012

发布

2012年

发布单位

国际标准化组织

当前最新

ISO 28902-1:2012

 

 

引用标准

IEC 60825-1:2007

适用范围

This part of ISO 28902 mainly specifies the requirements in order to perform visual range lidar measurements for the determination of direction-dependent meteorological optical range (MOR). The term “visual-range lidar” is used in this part of ISO 28902 to apply to the lidar systems making visual-range measurements, commonly referred to as “visibility measurements”. Due to physical approximations, quantitative determination is limited to a meteorological optical range of between 30 m and 2000 m. For this range, this part of ISO 28902 specifies the performance of visual-range lidar systems utilizing the method of range-integrated visual-range measurements based on light extinction. The following parameters can be calculated based on the directiondependent meteorological optical range: a) horizontal visual range; b) vertical visual range; c) slant visual range. NOTE The measures for visibility are strongly related to the historical definitions of visibility, which are related to human observers. The lidar technique extends the definitions to various conditions, such as daylight and night-time conditions. In addition, this measurement principle enables the user to retrieve information on cloud base height, boundary layer depth, fog banks and aerosol profiles due to the signal attenuation by water vapour and/or aerosols. Examples of these applications are given in Annex C. This part of ISO 28902 can be applied in the following areas: — meteorological stations; — airports; — harbours; — waterways; — roads and motorways; — automotive; — oil platforms.

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