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PRESENTATIONS
The Advancement of Technology in Oceanography
In the modern world, technology has been increasing at exponential rates. In accordance to Moore's Law, technology has been impacting many aspect of the field of Oceanography, including data collection in the field to running tests and analysis in research facilities. This paper focuses on the evolvement of SONAR technology and the impact these advancements have had on the field.
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Derivation of an Optimally Designed Depth Sampler to Effectively Measure Dissolved Oxygen
Abstract:
Water quality parameters provide valuable insight into the conditions of marine ecosystems. The measurements of specified parameters are determined through the acquisition of water samples which are representative of a given waterbody. Dissolved oxygen is an essential measurement that portrays the amount of dissolved gaseous oxygen present in an aqueous water sample; therefore, it is a crucial asset in determining the overall health of an aquatic system. The amount of oxygen that dissolves in a waterbody fluctuates in daily and seasonal patterns, due to the measurement being dependent upon temperature, salinity, and elevation. This value increases with the aeration of atmospheric oxygen along with the accumulation of oxygen released from aquatic plants, whilst decreasing with biological reactions such as aerobic respiration. The dissolved oxygen measurements of the epilimnion, or the top region of a waterbody, will differ from the hypolimnion, the bottom region, considering the dependent factors of the parameter. Furthermore, devices such as the depth water sampler are utilized to gather water samples from the hypolimnion of a waterbody. Environmentalists that implement this method to gather water samples often encounter inconveniences regarding the efficiency of the product: time, practicality, and durability. The purpose of this study is to design an ideal depth sampler formulated from derived mathematical models to foster the efficiency of the product and accurately measure the dissolved oxygen of a given waterbody.
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Determination of the Ideal Location and Leaf Type to Aquire Macroinvertebrates
Abstract:
Macroinvertebrates are a crucial aspect to monitor when determining the health of a water body. Macroinvertebrates are biological indicators that are used to ascertain the water quality, diversity, and abundance of a body of water. Leaf packs are commonly utilized to collect the macroinvertebrate species of an environment. In this study, eight leaf packs were made on May 19, 2017. Two leaf packs containing red maple leaves (Acer rubrum) and two leaf packs containing oak leaves (Quercus) were placed in Stafford Forge bog. This methodology was replicated at the outflow at Stafford Forge as well. The leaf packs were retrieved and brought to the Marine Academy of Technology and Environmental Science for analysis on June 6, 2017. Data regarding diversity and abundance of the macroinvertebrate species collected from the leaf packs were recorded. The leaf packs were analyzed using Simpson’s Diversity Index to determine the habitat and leaf type that would produce the highest diversity. The red maple leaf pack in the outflow had the highest diversity and oak leaf pack in the outflow was the lowest; however, a t-test comparing the red maple and oak leaf packs was ran and in return resulted in a t-value of 0.4451, indicating that the results were not significant. Therefore, the variables of leaf type and location cannot be statistically attributed to macroinvertebrate diversity.
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