Proposal Letter - Eric C. Itsweire Program...

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Eric C. Itsweire Program Director-Physical Oceanography NSF Ocean Sciences 4201 Wilson Blvd. Arlington, VA 22230 Phone: (703) 292-7593 [email protected] Dear Mr. Itsweire, I am writing to request $1,900.00 to conduct a study on groundwater seepage and nutrient transport into the White Point Swash system in North Myrtle Beach, South Carolina. This swash system is almost entirely surrounded by new developments and may be experiencing negative effects as chemicals are washed into it. This study has been designed to determine the direction and magnitude of groundwater flow, nutrient inputs from this flow, the benthic-pellagic coupling of these nutrients, and the possible effects on the biota of the system. Problem Statement: Swash systems have been well established as high areas of productivity, can serve as nursery grounds for a wide variety of fish and invertebrates, and are important for nutrient cycling. Much is known about the effects of the nutrients nitrate and phosphate on phytoplankton and algal communities in the marine environment and we are only beginning to track the sources and points of input for these nutrients. While nitrate and phosphate act as nutrients for primary producers and can be a limiting factor when concentrations are low, they can also be viewed as pollutants when concentrations are high and promote an overproduction. This overproduction can eventually lead to a eutrophic state as the organisms die and bacteria decompose the tissues triggering a draw down in dissolved oxygen required by respiring organisms such as fish. Left unchecked, this process can result in a system dominated solely by plants, algae, phytoplankton, and decomposers (Yunev et al, 2007). Numerous studies have documented the increased inputs of both nitrate and phosphate from anthropogenic activities such as development, fertilization, dumping, dredging, etc. However,
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This note was uploaded on 04/13/2008 for the course MSCI 101 taught by Professor Wolfe during the Spring '08 term at Coastal Carolina University.

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Proposal Letter - Eric C. Itsweire Program...

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