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Related Experiment Video

Updated: Jul 12, 2026

An Ultra-clean Multilayer Apparatus for Collecting Size Fractionated Marine Plankton and Suspended Particles

An Ultra-clean Multilayer Apparatus for Collecting Size Fractionated Marine Plankton and Suspended Particles

Published on: April 19, 2018

The oceanic microcosm of particles.

Science (New York, N.Y.)

|December 9, 1977

Summary

Ocean particles influence chemical processes by scavenging trace elements and releasing others like carbon and silicon. Understanding these particle dynamics is crucial for ocean chemistry research.

Area of Science:

Marine chemistry
Geochemistry
Oceanography

Background:

Suspended particulate matter plays a key role in ocean biogeochemical cycles.
Previous studies have highlighted the importance of particle-seawater interactions.

Purpose of the Study:

To investigate the chemical processes associated with suspended particulate matter in the Atlantic and Pacific oceans.
To understand the role of particles in controlling trace element concentrations and introducing other elements.

Main Methods:

Analysis of suspended particulate matter (>1 micrometer) collected during GEOSECS expeditions.
Filtration of large volumes of surface and deep ocean water.
Measurement of trace element and radionuclide concentrations on particulate matter.

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Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers

Published on: May 28, 2007

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Published on: December 16, 2016

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Last Updated: Jul 12, 2026

An Ultra-clean Multilayer Apparatus for Collecting Size Fractionated Marine Plankton and Suspended Particles

An Ultra-clean Multilayer Apparatus for Collecting Size Fractionated Marine Plankton and Suspended Particles

Published on: April 19, 2018

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers

Chemotactic Response of Marine Micro-Organisms to Micro-Scale Nutrient Layers

Published on: May 28, 2007

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Published on: December 16, 2016

Main Results:

Particles act as a scavenger, removing trace elements (Th, Pu, Fe, Pb, Cu) from the ocean column.
Particles serve as a source for elements like carbon and silicon, released upon dissolution at depth.
Particulate concentrations and fluxes are both critical for understanding ocean chemical processes.

Conclusions:

Particulate matter significantly influences ocean chemical composition and element cycling.
Both scavenging of elements by particles and release from dissolving particles are important processes.
Integrated studies of particulate concentration and flux are necessary for a comprehensive understanding of marine chemical processes.