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New developments in sensor technology for water quality surveillance and early warning
1Cranfield Biotechnology Centre, Cranfield University, Silsoe, Bedfordshire, MK45 4DT, UK. s.alcock@cranfield.ac.uk
Summary
New sensor technologies enable rapid field assessment of water pollution, aiding early warning and process control. These portable instruments improve environmental monitoring for better water quality management.
Area of Science:
- Environmental Science
- Analytical Chemistry
- Sensor Technology
Background:
- Sensor technologies offer significant advantages for environmental surveillance, early warning systems, and process control.
- Effective management of water pollution requires practical tools for rapid field assessment.
Purpose of the Study:
- To compile information on new sensing devices for on-site water pollution assessment.
- To evaluate the practical application of sensor technologies in real-world scenarios.
Main Methods:
- A 2002 questionnaire gathered data for a sensor catalogue applicable to various water bodies and soils.
- Field demonstrations of sensing technologies were conducted at a former metal mining site (2002) and for diffuse pollution (2003).
Main Results:
- Sensor applications confirmed the on-site determination of various analytes in water.
- Innovations include enhanced sensitivity, biomarker relevance, reduced environmental impact, and detection of new contaminants.
- Portability facilitates on-site and in-situ analyses, providing actionable data for pollution management.
Conclusions:
- Sensor technologies are effective for rapid field assessment and management of water pollution.
- These instruments support industry and regulators in achieving good water quality.
- Advancements in sensor technology enhance the ability to detect and manage complex pollution issues.
