Blog
- Optical sensor window fouling in algae-rich watersOptical instruments provide fast, continuous measurements of turbidity, suspended solids, and related water-quality conditions. Their value is especially clear…
- Using Groundwater Profilers to Assess Aquifer Storage and Recovery PerformanceAquifer storage and recovery (ASR) allows treated drinking water, reclaimed water, or seasonally available surface water to be injected into an aquifer and…
- Calibration Verification Procedures for Field-Deployed NephelometersField-deployed nephelometers provide a practical way to track turbidity, suspended sediment, and changing water quality outside the laboratory. Their optical…
- Designing Reliable Turbidity-Triggered Sampling SystemsWater-quality conditions can change within minutes when rainfall, dredging, tidal exchange, construction, or flood flows mobilize sediment. A routine grab…
- Laser Diffraction And Optical Backscatter In Sediment MonitoringParticle-size analysis and suspended-solids monitoring answer related but different questions. Laser diffraction describes how particle sizes are distributed…
- Groundwater Profiling In Unconsolidated SedimentsGroundwater conditions can change sharply over a short vertical distance. In sand, gravel, silt, and other unconsolidated deposits, permeable layers may sit…
- Practical Guidelines for Installing Submersible Sensors in Ice-Covered RiversWinter monitoring in rivers requires more than lowering a sensor below the water surface. Ice changes the flow profile, restricts access, increases mechanical…
- Selecting a Pumped Flow-Through System for Continuous Turbidity MeasurementContinuous turbidity monitoring is often treated as a sensor-selection exercise, but the hydraulic design around the sensor can determine whether the data are…
- How Particle Size Shapes Optical Backscatter MeasurementsOptical backscatter sensors estimate suspended material by sending light into the water and measuring the portion scattered back toward a detector. The…
- Tracking Sediment Plumes During Coastal Beach NourishmentBeach nourishment protects shorelines by placing engineered sand along an eroding beach. The work can restore recreational space, reduce wave energy, and…