Remineralisation, optics & marine particle size
Description
Studying marine particles and interactions with light to understand key biogeochemical processes in the ocean such as particle remineralisation Thanks to REOPTIMIZE, at the Plymouth Marine Laboratory (PML), we will study the relationships between the size of marine particles and how they interact with light, using various methodological approaches: from oceanographic cruises to autonomous profiling platforms such as the Bio-Argo floats.
Monitoring the modifications in size of living and non-living particles over the time and the space will help us to constrain better a key process of marine ecosystems called “particle remineralisation”.
The remineralisation is the conversion back to CO2 of the sinking particles such as the phytoplankton. Knowing the depth at which the remineralisation occurs is critical to predict how fast the remineralised CO2 will be re-exchanged with the atmosphere. This is essential to understand better the Earth’s climate change.
PML is an independent, impartial provider of scientific research, contract services and advice on the marine environment
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The Secchi disk is used to measure the transparency of water. The depth at which the white disk disappears is related to water turbidity. It has been created in 1800s and it is still used in oceanography!
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A carousel equipped with Niskin bottles is used for sampling water at specific depths from the ocean surface to the bottom
Bringing Biogeochemistry into the Argo Age - Eos
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Let's go to Immingham!
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Getting prepared for the AMT26 cruise
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The Atlantic Meridional Transect cruise (http://www.amt-uk.org/) is approaching! In about 10 days we will leave UK for the Falkland Islands. Travelling for 7 weeks, we will collect data of particle size and concentration from the ocean surface to 500 m of depth.
Remineralisation, optics & marine particle size's cover photo
Remineralisation, optics & marine particle size
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