A preliminary study of environmental monitoring using embedded sensors in the soil

Kazuhiro Mukai, Yunshun Zhong, P. Hubbard, K. Soga
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引用次数: 1

Abstract

Green infrastructure is a stormwater management technique that can be used to mitigate urban floods and heat islands. However, proactive monitoring and control is required to ensure its smooth operation. In particular, determining evapotranspiration, an essential process in biosphere–atmosphere interactions in cities that maintain cultivated and irrigated landscapes, is challenging. Understanding activities that govern evapotranspiration in a wide range of shallow soils is useful for planning and operation of green spaces. Recently, distributed fiber-optic sensors for monitoring civil structures and infrastructure have opened up new possibilities compared with conventional sensor systems. They operate based on the principle that strain variation in the soil is linked to environmental factors such as temperature and soil moisture changes. In this research, we examined the relationship between strain and temperature/soil moisture changes. By embedding fiber-optic strain sensors and other sensors in the soil tank, we investigated the feasibility of the sensors in a simulated soil environment.
土壤中嵌入传感器环境监测的初步研究
绿色基础设施是一种雨水管理技术,可用于缓解城市洪水和热岛。但是,需要主动监测和控制,以确保其顺利运行。特别是,确定蒸散是一项具有挑战性的工作,蒸散是维持城市生态-大气相互作用的一个重要过程。了解在大范围浅层土壤中控制蒸散发的活动对绿地的规划和操作是有用的。最近,与传统传感器系统相比,用于监测土木结构和基础设施的分布式光纤传感器开辟了新的可能性。它们的工作原理是,土壤中的应变变化与温度和土壤湿度变化等环境因素有关。在本研究中,我们考察了应变与温度/土壤湿度变化的关系。通过在土壤槽中嵌入光纤应变传感器和其他传感器,研究了传感器在模拟土壤环境中的可行性。
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