Remote electro-optical sensor system for water quality monitoring
US5905570A · kind A · utility
21Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 1997 |
| Grant date | May 18, 1999 |
| Priority date | — |
| Expiry date | Sep 18, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/635
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An improved water quality monitoring system and method. The system utilizes reflectance radiometers to provide multiple wavelength measurement of downwelling irradiance and/or upwelling radiance. The method calculates attenuation coefficients from the downwelling irradiance or upwelling radiance to derive chlorophyll concentration in the water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.