Ocean Health Assessment

Biogeochemical Monitoring

Biogeochemical monitoring studies the coupling of physics, chemistry, and biology that governs ecosystem productivity and resilience. It measures nutrients, dissolved oxygen, pH, and optical indicators such as chlorophyll fluorescence, turbidity, and backscattering to diagnose primary production, respiration, and community shifts. With event-scale sensitivity and multi-parameter context, these observations reveal bloom dynamics, hypoxia formation, and carbon cycling, and provide ground truth for predictive models.
Oceanographer deploying CTD for biogeochemical monitoring

Biogeochemical monitoring tracks the chemical and biological processes shaping ocean and freshwater systems.

Biogeochemical monitoring is essential for understanding how aquatic environments respond to natural and human-driven changes. It involves measuring key indicators such as pH, dissolved oxygen, nitrate, phosphate, chlorophyll, and irradiance to assess ocean acidification, deoxygenation, and nutrient dynamics. These data inform climate models, guide fisheries management, and support global sustainability efforts. Accurate monitoring empowers science to protect ecosystems and ensure resilient food systems.

Monitoring challenges

Tracking Interactions Across Physics, Chemistry, and Biology

Biogeochemical cycles involve complex interactions among nutrients, gases, and biological processes. Measuring nitrate, oxygen, pH, and chlorophyll accurately is critical for understanding ecosystem health and climate feedbacks. Sea-Bird Scientific’s advanced sensors deliver comprehensive, high-resolution data, enabling researchers to track changes and predict environmental responses with confidence.
Looking at the ocean with biogeochemical monitoring

Our most trusted Biogeochemical Monitoring solutions

SUNA V2
The SUNA V2 is the ultimate solution for real-time nutrient monitoring. This sensor measures...
ECO V2 Optical Sensor
Dive into the next generation of optical monitoring with Sea-Bird Scientific’s cutting-edge ECO V2...
SBE 16plus V2 SeaCAT CTD
The SBE 16plus V2 SeaCAT is a high-accuracy conductivity and temperature (pressure optional)...
Making an impact

How our solutions are shaping biogeochemical monitoring

Discover how government, academic, and industry leaders use Sea-Bird Scientific instruments to advance research, monitor ecosystems, and shape global water policy.
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