Abstract
With the development of urbanization, the environment is the key to the safety of residents’ life and health and the United Nations’ Sustainable Development Goals (SDGs). Urban environmental changes and microclimate problems have attracted widespread attention. For the SDGs, monitoring the urban microclimate more accurately and effectively and ensuring residents’ environmental health and safety is particularly important when designing applications that can replace the traditional fixed-point urban environment or pollution monitoring. Based on the BeiDou Navigation Satellite System platform, this paper proposes a fine-granularity urban microclimate monitoring method using wearable multi-source (PM2.5, PM10, and other air pollutants) sensors innovatively, which includes the satellite position function by adopting the satellite pseudo-range differential positioning technology, environmental data perception through the embedded system and wireless transmission, as well as the GIS data processing and analysis system. The wearable sensor acquires position and service information data through the satellite positioning system and acquires environmental parameters through integrated mobile multi-source sensors. The data are cached and wirelessly transmitted to the cloud server for digital processing. The urban microclimate is evaluated and visualized through algorithm and map API. Mobile monitoring can be flexibly applied to complex and diverse urban spaces, effectively realizing all-weather, all-directional, and accurate microclimate monitoring of urban environmental quality.
Highlights
This paper studies location-based mobile sensing of urban microclimate and proposes that it can realize non-fixed-point air environmental quality monitoring
Compared with fixed-point environmental quality monitoring, mobile monitoring greatly expands the number of environmental quality monitoring stations and reduces the cost incurred by environmental quality monitoring
The mobile mobile monitoring system includes meteorological andmonitoring environmental quality monitoring stations in the wide area of blocks in cities. Those monitoring stations can communicate with the cloud server, data by the official monitoring sta‐
Summary
With cities being home to the majority of the global population, their importance for global development is undisputed. A city needs to design equipment and systems that can replace the equipment and systems for fixed-point environmental quality monitoring and mobile monitoring of pollutant concentration and position. Designing a device and relevant system that can replace the fixed-point monitoring station and accurately locate and monitor the environmental quality in motion is the key to solve the problem of the resolution and real-time performance of urban environmental quality monitoring [9]. In this context, mobile monitoring is flexible and intelligent, which can help overcome the above shortcomings.
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