Hongzheng Zhu
University of Birmingham
| Subject Areas: | Water quality, Catchment hydrobiogeochemistry |
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ABSTRACT:
In-situ high frequency monitoring of water quality variables was conducted from October 2021 to October 2022 in the Bourn Brook, Birmingham, UK. Humic-like fluorescence (HLF, excitation wavelength: 325 nm, emission wavelength: 470 nm) and Tryptophan-like fluorescence (TLF, excitation wavelength: 275 nm, emission wavelength: 350 nm) were monitored using a Manta 2 multiparameter sonde (Eureka, TX, USA), which was also equipped with sensors for ancillary measurements of electric conductvity, turbidity and water temperature. Additionally, a pressure transducer (CS420-L, Druck Inc., Billerica, Massachusetts) was installed in an adjacent stilling well for water level measurements. The Manta 2 was internally configured to log a measurement every 5 minutes, while the pressure transducer was controlled by a CR1000X datalogger (Campbell Scientific, Logan, USA) logging at 1 min intervals. Both these devices were powered by 12V batteries. In addition, meteorological variables (precipitation and air temperature) were also collected from a weather station operated by the University of Birmingham, located ~1 km from our water quality monitoring station.
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Created: Jan. 28, 2024, 1:40 p.m.
Authors: Hongzheng Zhu · Kieran Khamis · David. M. Hannah · Stefan Krause
ABSTRACT:
In-situ high frequency monitoring of water quality variables was conducted from October 2021 to October 2022 in the Bourn Brook, Birmingham, UK. Humic-like fluorescence (HLF, excitation wavelength: 325 nm, emission wavelength: 470 nm) and Tryptophan-like fluorescence (TLF, excitation wavelength: 275 nm, emission wavelength: 350 nm) were monitored using a Manta 2 multiparameter sonde (Eureka, TX, USA), which was also equipped with sensors for ancillary measurements of electric conductvity, turbidity and water temperature. Additionally, a pressure transducer (CS420-L, Druck Inc., Billerica, Massachusetts) was installed in an adjacent stilling well for water level measurements. The Manta 2 was internally configured to log a measurement every 5 minutes, while the pressure transducer was controlled by a CR1000X datalogger (Campbell Scientific, Logan, USA) logging at 1 min intervals. Both these devices were powered by 12V batteries. In addition, meteorological variables (precipitation and air temperature) were also collected from a weather station operated by the University of Birmingham, located ~1 km from our water quality monitoring station.