Katy O’Donnell monitors readings from water quality instrument

Katy O’Donnell monitors readings from different instruments of the flow-through system during a high-resolution water quality mapping survey onboard the RV Landsteiner along the Sacramento River in West Sacramento, CA. The flow-through system pumps water onto the boat while underway and directs sample water to a multiparameter water quality sonde, thermosalinograph, fluorometers, nitrate and ammonium analyzers.