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- Title
- Determining the extent of saltwater influence on groundwater in Dr. Von D. Mizell Eula Johnson State Park.
- Name/Creator
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Deitsch, Adam Michael
- Abstract/Description
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Dr. Von D. Mizell-Eula Johnson State Park is a barrier island off the coast of Dania Beach, Florida. Situated between the Atlantic Ocean and the Intracoastal Waterway, with the brackish Whiskey Creek transecting the park from north to south, the park is home to several coastal ecosystems and poses an unique opportunity to collect valuable data to assess the impact of sea-level rise on the distinct ecological communities within. The park is managed by the Florida Department of Environmental...
Show moreDr. Von D. Mizell-Eula Johnson State Park is a barrier island off the coast of Dania Beach, Florida. Situated between the Atlantic Ocean and the Intracoastal Waterway, with the brackish Whiskey Creek transecting the park from north to south, the park is home to several coastal ecosystems and poses an unique opportunity to collect valuable data to assess the impact of sea-level rise on the distinct ecological communities within. The park is managed by the Florida Department of Environmental Protection Division of Recreation and Parks. Goals for the park management and protection include protecting the water quality and quantity in the park (including restoring hydrology to a feasible level), as well as restoring and maintaining the natural communities within the park. As studies have shown, changes of the salinity in the groundwater and surrounding soils can affect the viability of coastal forest habitats and cause a shift in ecotones. To this date, there have been no detailed studies on the extent of the groundwater dynamics within the park. With three bodies of water with differing salinity surrounding the park, the geological design should create four independent zones of saline lensing around the freshwater lenses within the two segments of the island. Installation of piezometers in east-west transects at regular increments from the north to the south could allow for the mapping of the transition from saline to freshwater within the park. Subsequent sampling and testing of temperature, salinity, and water depth, as well as other ambient factors, over a complete lunar cycle, would provide critical data in determining the extent of the tides and sea-level rise on park’s freshwater-saltwater interface. Understanding this dynamic flux is vital in preservation and restoration management plans, especially involving protection and reestablishment of at-risk or endangered species. This research will provide insight into predictable changes in the park’s communities. This knowledge can be incorporated into established Florida Department of Environmental Protection management and monitoring plan. Establishing long-term groundwater monitoring protocols can influence future protection and restoration projects with ground truth data. If successful, this type of monitoring can be expanded to other state parks of similar coastal geomorphological features.
Show less - Date Issued
- 2020-06-15
- Identifier
- BC747
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/broward/fd/BC747
- Title
- Paxton series: the state soil of Massachusetts.
- Name/Creator
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Deitsch, Adam Michael
- Abstract/Description
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A United States Commonwealth located around 42.4°N and 71.4°W, Massachusetts is an area still rebounding from the last glacial retreat. Its official state soil is the Paxton series, which covers approximately 816,626 acres in the New England area, and accounts for approximately 7.5% of the land in the commonwealth. Paxton is formed around dense glacial till, comprised of eroded and compacted gneiss, granite, and schist. Typically found around convex slopes such as drumlins and ground moraines...
Show moreA United States Commonwealth located around 42.4°N and 71.4°W, Massachusetts is an area still rebounding from the last glacial retreat. Its official state soil is the Paxton series, which covers approximately 816,626 acres in the New England area, and accounts for approximately 7.5% of the land in the commonwealth. Paxton is formed around dense glacial till, comprised of eroded and compacted gneiss, granite, and schist. Typically found around convex slopes such as drumlins and ground moraines, it is notably absent in the Cape Cod, Martha’s Vineyard, and Nantucket areas. Classified as coarse-loamy, mixed, active, mesic Oxyaquic Dystrudepts, the series is of relatively young development and falls under the order of Inceptisols. Texture of Paxton soils range from fine, sandy loam to coarser loam as they approach the lowest horizon. The soil is mostly sand with a small portion of silt and clay. A pedon will usually have 4 horizons (Ap, Bw1, Bw2, Cd), though some have more. All horizons are acidic and increase in gravel content with depth. The soil’s characteristics make it viable for uses including cultivation, light construction, and pastureland. Limitations can be correlated to some of the qualities that make them suitable for prime farmland. High holding capacity can generate seasonal perched water tables, and while this can be beneficial for agricultural purposes, it can also increase erosion and lead to anaerobic conditions. Frost expansion from harsh winters can also cause structural damage to housing projects, roadways, and septic systems. Conservation and management issues are related to loss of farmland and forested land. Thousands of acres have been lost to development of solar farms, and future solar needs could destroy significantly more land. While some areas implement dual uses—farming beneath solar panels—there is uncertainty about long-term effects on soil health and arability.
Show less - Date Issued
- 2021-04-21
- Identifier
- BC3351
- Format
- Document (PDF)
- PURL
- http://purl.flvc.org/broward/fd/BC3351
