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R/CBT-12
Direct measurements and biogeochemical controls of sediment-water flux
Principal Investigator:
Jeffrey C. CornwellStart/End Year:
1991 - 1993Institution:
Chesapeake Biological Laboratory, University of Maryland Center for Environmental ScienceCo-Principal Investigator:
Walter R. Boynton, Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science; David J. Burdige, Old Dominion UniversityTopic(s):
Description:
The objectives of this research are to reliably measure the direct fluxes of trace elements across the sediment-water interface of field-collected cores, measure temporal and spatial variability of such fluxes and determine the importance of Mn, Fe and S redox cycling on trace element production and consumption. This project will determine whether the recycling of metals within surficial sediments has an important impact on water column metal concentrations.
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Featured Fellow
Leone Yisrael is a cephalopod-loving scuba diver, cook, and loves to try new activities. She conducts genetic analysis and fieldwork at the Smithsonian Environmental Research Center through the Coastal Disease Ecology Lab.
Featured Research Project
Developing a habitat model for mysids, an important link in Chesapeake Bay food webs
Mysids are important mesozooplankton prey for many species of fish in Chesapeake Bay and are an important link in transferring energy from lower to upper trophic levels. Mysids also serve as biological vectors for benthic-pelagic coupling due to their diel vertical migration and omnivorous prey-switching behavior, which makes mysids important regulators of food web architecture. Despite their central role in coastal food webs, surprisingly little is known about mysid ecology and dynamics in Chesapeake Bay.
