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The Environmental and Economic Impacts of Moorage Marinas on the West Coast Website

Principal Investigator(s):
James E. Moore - University of Southern California
Jiyoung Park - University at Buffalo, The State University of New York
Christine Bae - University of Washington, Seattle
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Associate Investigator(s):
Nathaniel Trumbull - University of Connecticut, Avery Point
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Period: -

Objectives:
To determine positive economic benefits and to characterize the negative environmental externalities associated with moorage marinas
To calculate the net economic impacts of moorage marinas in Washington and Southern California
To analyze a time series of Mussel Watch data since 1986 in order to investigate the environmental impact of marinas in Washington and Southern California
To test with Geographic Information Systems analysis for positive correlation of marina location and environmental impact, particularly as concerns Polycyclic aromatic hydrocarbons, copper, and tributyltin compounds (common pollutants associated with marinas)
To implement an educational outreach series of events related to marina growth and its environmental impact
To publish the results of the project findings in the appropriate research and policy literature
To provide a subject of scientific investigation and policy relevance for graduate student training

Methodology:
First, for the positive economic impact analysis, we will construct multiregional input-out (MRIO) models by using IMPLAN data, and a geographically weighted matrix for SC and WA. Second, environmental data from NOAA’s Mussel Watch Survey data will be analyzed in terms of proximity to marinas and other geographic factors; Geographic Information Analysis will be applied to the marina sites and associated coastlines. Third, a quasi-experimental type of time-series model will be applied in order to quantify the environmental impacts. Based on the baseline and alternative scenarios, diverse net values will reflect the differences between economic gains and negative environmental externalities.

Rationale:
Recreational marina growth on the West Coast continues to grow rapidly but is not the clear domain of study of either urban planners, economists, or environmental scientists. An interdisciplinary approach is needed for the study of marina growth and its wide range of impacts. An understanding of the economic drivers and negative environmental externalities of marina growth is critical from a planning, regulatory, and development perspective. This project’s proposed solution is to provide policy makers and coastal communities with more reliable and environmentally friendly coastal development strategies for moorage development, renovation, and location.

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