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Low-cost environmental sensor networks: recent advances and future directions

Mao, Feng, Khamis, Kieran, Krause, Stefan, Clark, Julian and Hannah, David M. 2019. Low-cost environmental sensor networks: recent advances and future directions. Frontiers in Earth Science 7 , 221. 10.3389/feart.2019.00221

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Abstract

The use of low-cost sensor networks (LCSNs) is becoming increasingly popular in the environmental sciences and the unprecedented monitoring data generated enable research across a wide spectrum of disciplines and applications. However, in particular, non-technical challenges still hinder the broader development and application of LCSNs. This paper reviews the development of LCSNs over the last 15 years, highlighting trends and future opportunities for a diverse range of environmental applications. We found air quality, meteorological and water-related networks were particularly well represented with few studies focusing on sensor networks for ecological systems. Furthermore, we identified bias toward studies that have direct links to human health, safety and livelihoods. These studies were more likely to involve downstream data analytics, visualizations, and multi-stakeholder participation through citizen science initiatives. However, there was a paucity of studies that considered sustainability factors for the development and implementation of LCSNs. Existing LCSNs are largely focused on detecting and mitigating events which have a direct impact on humans such as flooding, air pollution or geo-hazards, while these applications are important there is a need for future development of LCSNs for monitoring ecosystem structure and function. Our findings highlight three distinct opportunities for future research to unleash the full potential of LCSNs: (1) improvement of links between data collection and downstream activities; (2) the potential to broaden the scope of application systems and fields; and (3) to better integrate stakeholder engagement and sustainable operation to enable longer and greater societal impacts.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Earth and Ocean Sciences
Publisher: Frontiers Media
ISBN: 22966463
ISSN: 2296-6463
Date of First Compliant Deposit: 27 July 2020
Date of Acceptance: 13 August 2019
Last Modified: 27 Jul 2020 15:00
URI: http://orca.cardiff.ac.uk/id/eprint/133768

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