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R/P-30
Measurement of phytoplankton chlorophyll concentration & biomass
Principal Investigator:
Lawrence W. Harding, Jr.Start/End Year:
1991 - 1994Institution:
Horn Point Laboratory, University of Maryland Center for Environmental ScienceCo-Principal Investigator:
Eric C. Itsweire, Johns Hopkins UniversityTopic(s):
Description:
The objective of this study is to deploy NASA's Ocean Data Acquisition System (ODAS) in the Chesapeake Bay from winter-spring through summer in 1990 to produce fine-scale maps of phytoplankton biomass. We propose to track event-scale changes in phytoplankton distributions during the diatom blooms that develop annually in the mesohaline to polyhaline part of the Bay. Semi-weekly to weekly flights will be made and the chlorophyll distributions determined from aircraft radiance measurements with ODAS. The proposed research will address the linkage of phytoplankton biomass to nutrient loading and other streamflow-related properties using remote sensing methodology. This work will concentrate on the spring-fall (May-Sep'92) and will augment ongoing Sea Grant-funded research on the winter-spring phytoplankton bloom using remote sensing from aircraft.
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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.
