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Biogeochemical Monitoring

A ship on the ocean using a biogeochemical monitoring tool
Photo by Christoph Gerigk © Sea-Bird Scientific

Monitoring of the ocean response to climatic and anthropogenic forcing is critical to understanding the impacts on the global carbon cycle and its ecosystems’ responses. Fundamental changes in the oceans’ biogeochemical cycles, driven largely in response to increased atmospheric CO2 concentrations, are already underway. Increasing evidence of large-scale ocean acidification and resultant deoxygenation has emphasized the need to understand the impacts on biogeochemistry and ecosystem dynamics.

A large number of Sea-Bird Scientific sensors are used in biogeochemical monitoring due to their ability to get inter-comparable data:

Biogeochemical Sensors
Parameter Moored Shipboard Deployments Profiling Floats AUV/ROV

CTD

37/16plusV2/16plus-IM V2

9plus

41/61

49/GPCTD

Dissolved Oxygen

SBE 63

SBE 43

SBE 63

SBE 43F (GPCTD)

pH

SeaFET V2/SeapHOx V2/
Deep SeapHOx V2

SBE 18/SBE 27

Float pH

 

Nitrate

37/16plusV2/16plus-IM V2

9plus

41/61

49/GPCTD

Chlorophyll a
Backscatter
FDOM

37/16plusV2/16plus-IM V2

9plus

41/61

49/GPCTD