Hydrology

Phytoplankton measurement is key for understanding the health of an aquatic ecosystem in both freshwater and saltwater environments. Measuring phytoplankton can provide valuable insights regarding the biological status of any...

Identifying the best level logger for your groundwater monitoring application can be a complex task with many different technologies available that are best suited for a variety of different measurement goals. The...

We are very pleased to announce that Sutron Corporation will be joining OTT Hydromet and Hach Environmental in 2015! The addition of Sutron to the group is expected to provide...

ORP (Oxidation Reduction Potential) is a popular water quality parameter that is normally measured as the voltage between a platinum measuring electrode and a reference electrode. Though ORP is classically...

The OTT MF pro water velocity meter is a popular choice for water flow and discharge measurement in rivers, streams, and open channels. Today we'll take an in-depth look at...

The Center for Energy Water Sustainability (CEWS) at Colorado State University, in partnership with Noble Energy, has developed a real-time groundwater monitoring system in the Denver-Julesburg basin of Colorado called...

Calibrating a water quality sensor is a necessary step in creating measurement results that meet the highest standards of accuracy. Water quality instruments that allow user calibration are common. Because...

Background Copper is widely recognized as an effective inhibitor to biological growth and it has been used successfully in many applications where biological activity impedes the desired result. One example...

Setting up any new data logger and connecting it to a sensor can be a daunting task for even experienced water measurement professionals, so we've created the OTT netDL Data...

Electrical conductivity is one of the most common general water quality parameters in surface water and groundwater as it is a popular surrogate measurement for naturally-occurring and anthropogenic contamination of environmental...

In one of the more unique discharge applications around the world, the OTT MF pro flow meter is being used for discharge measurements in the Hessenhau Cave of southern Germany. The...