fDOM

Xylem Analytics - fDOM monitoring

Chromophoric Dissolved Organic Matter or Colored Dissolved Organic Matter (CDOM): Both refer to organic matter in water that absorbs strongly in the ultraviolet (UV) spectrum. Fluorescent Dissolved Organic Matter (fDOM) refers to the fraction of CDOM that fluoresces. fDOM is a surrogate for CDOM, and a fast and easy means of tracking DOM in natural waters.

Measuring CDOM/fDOM is important because concentrations of CDOM affect submerged aquatic vegetation, coral reefs and other benthic communities.

Other fDOM applications include:

  • Continuous monitoring of wastewater discharge. fDOM fluorescence corresponds to total organic carbon (TOC), which is an indicator of discharge water quality.
  • fDOM concentration can indicate the dispersion, transport and mixing of a water mass.
  • Hydrology studies demonstrate connection between flow/discharge and fDOM concentrations in rivers and floodplains.

Resources

  • Handheld
  • Sonde
  • Sensor
  • Benchtop
  • System & Online

Please view our fDOM related products within the SONDE + SENSOR tabs

EXO fDOM Smart Sensor

YSI EXO fDOM Smart Sensor

The EXO fDOM (fluorescent dissolved organic matter) sensor is a digital smart sensor featuring welded titanium construction and wet-mateable connectors. Complete calibration in less than 15 minutes using EXO's suite of smart sensors and intuitive KOR interface software.