Dr. Kyra St. Pierre and her colleagues at University of Alberta published a new paper in Nature Scientific Reports from the High Arctic Lake Hazen. The Unisense Field Microprofiling System and microsensors for O2, pH and Redox were used to quantify the effects of increased glacial runoff on sediment processes in a High Arctic lake.
“The FMM data really strengthened our argument that glacial inputs have a huge impact on the biogeochemistry of downstream lakes, altering not only just the chemistry of the lake, but also the ecology.” - Dr. Kyra St. Pierre.
The input of glacial meltwater to the world’s largest High Arctic lake has increased 10-fold since 2007 due to warming. Microprofiles of O2, pH and Redox clearly indicated that the input of organic matter to the sediment was related to the input of meltwater from the different glacial rivers discharging into the lake.
High performance oxygen microsensor
Miniaturized pH electrode
Measure redox potential in microenvironments
Reference electrode for pH or Redox microelectrodes
8-channel microsensor amplifier for in situ measurements
Freeware for sensor calibration and data logging. Choose Logger+ to add motor control.
Calibrate, control, program, analyze, and visualize your microsensor measurements
Measure and calculate respiration and metabolism rates
Determine photosynthesis rates with the light-dark switch technique
Waterproof motor system and sensor holder
IS19 - for in situ measurement