Blog
- Using Groundwater Profiles to Locate Productive FracturesFractured-rock aquifers can transmit large quantities of groundwater through a small number of discrete pathways. These pathways may be invisible in core,…
- Suspended-Solids Sensor Placement in Stirred TanksReliable suspended-solids measurement begins with where the sensor is installed. In a stirred tank, particles are continuously lifted, circulated, broken…
- Calibrating Optical Sensors for Low-Concentration GroundwaterGroundwater often appears visually clear while still containing enough suspended material to influence an optical measurement. At low turbidity levels, the…
- Data Transmission Options for Real-Time Turbidity Monitoring in Remote AreasReliable turbidity data is valuable only when it reaches the people or systems that need it. At a remote dredging site, river station, reservoir, coastal…
- Comparing Single-Beam and Multi-Angle Optical Sensors for Suspended SolidsSuspended solids monitoring is central to dredging management, erosion studies, stormwater assessment, aquaculture, hydrology, and environmental compliance.…
- Designing a Self-Cleaning Turbidity Monitoring Station for Remote SitesRemote turbidity stations must produce trustworthy measurements for weeks or months without regular access. That requirement changes the design process. A…
- The Role of Turbidity in Assessing Sediment Oxygen DemandSediment oxygen demand (SOD) describes the rate at which substances in or near the bed consume dissolved oxygen from overlying water. It is a key water-quality…
- Groundwater Profiling For In-Situ Remediation PerformanceIn-situ remediation is judged by what happens below the surface, yet conventional monitoring networks often provide only a few fixed-depth samples. Those…
- Using Suspended-Solids Sensors to Improve Water Treatment DosingChemical dosing is one of the largest controllable costs in many water and wastewater treatment plants. Operators must add enough coagulant, polymer, lime, or…
- Choosing Optical Sensor Housings For Corrosive Water EnvironmentsOptical instruments used in rivers, estuaries, harbors, treatment facilities, and offshore areas are exposed to far more than water. Dissolved salts, suspended…