Continuous measures of hydrochemical parameters from the Wensum Demonstration Test Catchment, in Norfolk, recorded between 2010 and 2015. Monitoring equipment was installed at 7 sites (aka monitoring kiosk A, B, C, D, E, F, M) in this catchment to capture hydrochemical parameters at 30-minute resolution. YSI 6600 multi-parameter sonde measures temperature (degree Celsius), turbidity (nephelometric turbidity unit), electrical conductivity (microsiemens per centimetre), chlorophyll-a (micrograms per litre), pH and dissolved oxygen (percent and milligrams per litre) . Stage height (metres) is measured by a pressure transducer housed in a stilling well. Flow (cubic metres per second) is estimated by a Doppler flow meter, the Sontek Argonaut. Analogues (nutrients) are measured in 2 of the sites (monitoring kiosk E and F) which include total phosphorus (milligrams per litre) and total reactive phosphorus (milligrams per litre) are measured in 2 of the sites (monitoring kiosk E and F) using a Hach Lange Phosphax Sigma analyser, nitrate (milligrams per litre) is measured using a Nitratax SC optical probe.
Publication date: 2015-11-13