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Articles 1 - 5 of 5
Full-Text Articles in Physical Sciences and Mathematics
Measurements And Synthetic Imaging Of Water Surface Gravity Waves Using Optical Techniques, Jennifer Closson
Measurements And Synthetic Imaging Of Water Surface Gravity Waves Using Optical Techniques, Jennifer Closson
Theses and Dissertations
Remote sensing technologies are useful tools when gathering spatial and temporal information about dynamic coastal regions. A method is proposed using an in-situ space-time imaging technique for evaluating wave periods and wavelengths of surface water waves in shallow urban coastal water environments. Video imagery of shallow water waves was acquired using high definition video cameras. Video imagery records of surface water waves using staff gauges and simultaneously deployed targets were used to determine wave periods, wavelengths and wave amplitudes. Time series analyses is applied to the video derived time series. Wave energy spectrums are extracted and used to simulated synthetic …
Gut Content Analysis Of Benthic Foraging Fish Compared To Invertebrate Infauna Distributions In Dredged Vs. Undredged Habitats, Danielle Louise Juzwick
Gut Content Analysis Of Benthic Foraging Fish Compared To Invertebrate Infauna Distributions In Dredged Vs. Undredged Habitats, Danielle Louise Juzwick
Theses and Dissertations
The Indian River Lagoon (IRL) has experienced a loss in seagrasses due to organic sediment accumulation and harmful algal blooms. Seagrasses are an essential nursery habitat for many fishes and benthic invertebrates. IRL fish known to utilize benthic habitat and feed on invertebrates include Atlantic croaker (Micropogonias undulates), juvenile Red Drum (Sciaenops ocellatus), and Mojarra (Eucinostomus spp.). The most abundant major infaunal taxa of the IRL are crustaceans, polychaetes, and mollusks. Environmental dredging in the IRL’s Turkey Creek is intended to improve water quality, remove harmful sediments and restore benthic habitat. Such dredging may impact benthic invertebrate populations and, indirectly, …
The Effect Of Environmental Muck Dredging On Abundance And Community Richness Of Benthic Amphipods In The Indian River Lagoon, Nayan Mallick
The Effect Of Environmental Muck Dredging On Abundance And Community Richness Of Benthic Amphipods In The Indian River Lagoon, Nayan Mallick
Theses and Dissertations
Anthropogenic eutrophication has polluted and degraded estuarine ecosystems throughout the world. The Indian River Lagoon (IRL), a diverse North American estuary, has accumulated an abundance of Fine-Grained Organic-Rich Sediments (FGORS or “muck”) due to eutrophication. Muck creates stressful, sometimes uninhabitable conditions for benthic flora and fauna, with far-reaching ancillary ecosystem impacts. In an attempt to ameliorate negative ecosystem impacts, muck deposits in Turkey Creek were dredged by Brevard County Natural Resources (Florida). One month after the dredging, mean abundance of amphipods rose to 110±90 individuals m-2 from 0±0 individuals m-2 in the dredged muck sites. Four amphipod species colonized muck …
Ecological Responses To Eutrophication And Restoration In A Shallow Subtropical Estuary, Xiao Ma
Ecological Responses To Eutrophication And Restoration In A Shallow Subtropical Estuary, Xiao Ma
Theses and Dissertations
Like many other estuaries in the world, the Indian River Lagoon (IRL) is experiencing serious environmental health challenges in recent years. Ecosystem challenges include the connected phenomena of Harmful Algal Blooms (HABs) due to eutrophication and accumulation of fine-grained organic-rich sediments on the benthos. Fine-grained organic-rich sediments, referred to as “muck”, is a source of nutrients and fuels algal blooms in the water column, and excess particles associated with algal blooms sink to bottom and contribute to muck. This dissertation aims to better understand these problems by addressing two main objectives: first, to determine whether key herbivorous mesozooplankton have the …
A Probabilistic Approach To Generating Representative Wind Forcing And Wave Heights Within An Estuarine Environment, Vanessa Maria Haley
A Probabilistic Approach To Generating Representative Wind Forcing And Wave Heights Within An Estuarine Environment, Vanessa Maria Haley
Theses and Dissertations
While wind driven waves affect erosion, sediment resuspension, and flow in shallow estuaries like the Indian River Lagoon (IRL), neither winds nor waves are well observed in this environment. In order to calculate accurate significant wave heights, the winds used for the calculation must be consistent with the observed winds over the lagoon. Given the complex land/water geometry and subsequent limited fetch, a probabilistic approach is used to produce a representative wind field over the IRL. Observed winds, near the IRL, are used to sample wind distributions obtained from 180 high resolution atmospheric model simulations in order to generate a …