Speaker: Dr. Anders Tengberg, Aanderaa/ XYLEM (Product Manager and Scientific Advisor) and University of Gothenburg (Associate Researcher)
Summary: Biological, chemical and physical processes at the seafloor plays an essential role for aquatic environments. In-situ incubations of sediment with overlying water, a method pioneered at Scripps by Dr. Ken Smith, provide valuable and consistent information on sediment-water solute exchanges. This presentation will describe experiences learned from use of Gothenburg University benthic chamber landers during more than 300 deployments/1000 incubations in water depths from 5 to 5600 m. Measurements of different solutes/contaminants will be presented as well as manipulative injection experiments to study the N-cycle, phosphate retention and the effects of sediment re-suspension. Methods to increase the data quality will also be discussed.