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Physical Sciences and Mathematics Commons™
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Articles 1 - 11 of 11
Full-Text Articles in Physical Sciences and Mathematics
Grain Size Analysis Of Massie’S Creek Near Flax Pond And Community Park, Andrew R. Rivera
Grain Size Analysis Of Massie’S Creek Near Flax Pond And Community Park, Andrew R. Rivera
The Research and Scholarship Symposium (2013-2019)
The goal of this research is to better understand the stream bed conditions at the confluence of North Fork and South Fork Massie’s Creek next to Community Park in downtown Cedarville, OH. Stream depth as well as sediment type where determined as a result of field work done for this project. The depth data was then used to create a contour map of the pool behind the low-head dam that defines the lower boundary of the confluence area. Sediment distribution is represented on this map based on laboratory particle size analysis and gross piratical size analysis done in the field. …
A Hydrologic And Hydraulic Analysis Of Massie’S Creek Gorge, Greene County, Oh, Using Hec-Ras, Joshua W. Perez
A Hydrologic And Hydraulic Analysis Of Massie’S Creek Gorge, Greene County, Oh, Using Hec-Ras, Joshua W. Perez
The Research and Scholarship Symposium (2013-2019)
Massie’s Creek is a small tributary of the Little Miami River, located in southwest Ohio near the village of Cedarville. For approximately 1.5 miles (2.4 km) it flows westward through the Indian Mound Reserve Park, an area which occasionally undergoes flooding. In the first ½ mile (0.8 km) of the park, the stream is confined by a deep gorge, 40 feet (12 m) or more tall, and quickly flattens to a meandering stream through the rest of the park. The present study describes the application of HEC-RAS with the integration of ArcGIS for steady flow analyses and flood inundation mapping, …
Using Uavs To Establish A Visual Baseline Of Stream Flow Conditions At Usgs Stream Gauge Sites, Brett M. Kendra
Using Uavs To Establish A Visual Baseline Of Stream Flow Conditions At Usgs Stream Gauge Sites, Brett M. Kendra
The Research and Scholarship Symposium (2013-2019)
USGS stream gauge stations associated with the National Water Information System (NWIS) accurately measure various streamflow parameters, including stage height and discharge. However, photographic documentation of streamflow conditions is severely lacking for most gauge stations. This project aimed to fill this void in documentation by capturing aerial photographs of streamflow conditions using low altitude UAV photography. The photographs were taken at two stream gauge stations within the Little Miami River watershed located in southwestern Ohio over a seven month period. This time span encompassed three seasons, beginning mid fall 2015, and ending early spring 2016. The timestamp associated with each …
Laboratory Determination Of Porosity For A Vugular Carbonate Core Section By Water Immersion Method - Is It Effective Porosity?, Nolan Shula
The Research and Scholarship Symposium (2013-2019)
Porosity is one of the most vital characteristics in hydrocarbon reservoir evaluations, affecting the methods implemented in the completion process and the efficiency of the production process. Several methods are used for porosity calculations, but due to both lithologic and downhole drilling factors, these values can range more than ± 5%. Also, most limestone reservoirs contain multiple-porosity systems, which lead to effective porosity concerns, especially when secondary porosity is a significant factor. Therefore, through both geophysical wireline log analysis and basic laboratory analyses, this project compared total and effective porosity values of a vugular Onondaga Limestone pinnacle reef core section …
Relations Between Stream Chemistry, Fish Diversity, And Land Use In The Upper Little Miami Watershed, Connor J. Gilmour, Randy Howell, David Paulding, Charles W. Reynolds, Mark A. Gathany
Relations Between Stream Chemistry, Fish Diversity, And Land Use In The Upper Little Miami Watershed, Connor J. Gilmour, Randy Howell, David Paulding, Charles W. Reynolds, Mark A. Gathany
The Research and Scholarship Symposium (2013-2019)
Streams are susceptible to numerous threats to their water quality and biodiversity. In southwest Ohio a major driver of these impacts is associated with current agricultural practices and associated legacy effects. These structural and chemical impacts are known to affect biodiversity in these streams. The objective of this study was to document and examine relationships among land-use/land cover, stream chemistry, and fish diversity in the headwaters streams of the Little Miami Watershed. Three streams (Little Miami River, Massies Creek - North Fork, and Massies Creek - South Fork) were sampled in the upper headwaters as well as downstream. Air and …
Does Recreational Diving Alter Hawksbill Sea Turtle Foraging Behavior? Results From A Marine Protected Area, Honduras, Christian Hayes
Does Recreational Diving Alter Hawksbill Sea Turtle Foraging Behavior? Results From A Marine Protected Area, Honduras, Christian Hayes
The Research and Scholarship Symposium (2013-2019)
Recent studies indicate that recreational diving may cause unintended behavioral changes in marine macrofauna. The hawksbill sea turtle (Eretmochelys imbricata) is a critically endangered species encountered by recreational divers in marine protected areas (MPAs) circumtropically. Few studies, however, have examined the impacts of recreational diving on sea turtle behavior. We conducted in-water observations of 61 juvenile hawksbill turtles from June 12 to September 2, 2014 in the Roatán Marine Park (RMP), Roatán, Honduras, to quantify the impacts of recreational diving on hawksbill behavior. We recorded turtle behaviors and the number of behavior bouts to test the effects of …
Derivation Of Correction Coefficients For Stream Velocities, Upper Little Miami River Basin, Oh, Matthew S. Cheney
Derivation Of Correction Coefficients For Stream Velocities, Upper Little Miami River Basin, Oh, Matthew S. Cheney
The Research and Scholarship Symposium (2013-2019)
The simplest method of determining stream velocity involves measuring how long it takes a floating object or material to move a certain distance downstream. This study tested a dog toy (mini tennis ball), a 2 inch diameter piece of pumice, a playing card, a full 16.9 oz. water bottle, and milk. The floats were released where the maximum velocity of the stream was found through the use of profiling with a simple flowmeter. The real-time data from a USGS-gaged stream only shows discharge and gage height (stage); it does not show velocity. However, the historic USGS-technician stream-flow-verification data for a …
Progressive Assessment Of Lake Depths In Cedar Lake, Samuel L. Rice
Progressive Assessment Of Lake Depths In Cedar Lake, Samuel L. Rice
The Research and Scholarship Symposium (2013-2019)
In the fall of 2012, the CU Environmental Geology class did an assignment which produced a bathymetry (bottom-contour) map of Cedar Lake. Although the depth measurements using stadia rods and the position measurements using handheld GPS units were somewhat crude, the end result was a map that seemed to be a very reasonable depiction on the lake bottom configuration. In the fall 2014, measurements were again made as a part of an ongoing assessment to determine if sediment infill was occurring in the lake. The data gathering techniques duplicated those used in 2012, including equipment used. The primary difference between …
An Energy Use And Emissions Inventory Of Cedarville University (2003-2013), Jack Lightbody, Grant Hooper, Heidi Johnson, Jared Klawer, Mark A. Gathany
An Energy Use And Emissions Inventory Of Cedarville University (2003-2013), Jack Lightbody, Grant Hooper, Heidi Johnson, Jared Klawer, Mark A. Gathany
The Research and Scholarship Symposium (2013-2019)
The rising cost of fossil fuels has been paralleled by an interest in maximizing efficiency and conservation at all levels (individual to corporate). Amidst this the burning of fossil fuels carries with it concerns regarding the contribution of the resulting emissions to climate change. This has generated interest in energy conservation and the use of renewable energy. In this time period Cedarville University has demonstrated a strong interest in managing its energy use (and associated greenhouse gas emissions) with emphasis on cost effectiveness. Thus, the objective of our study is to analyze Cedarville University’s energy use and carbon emissions from …
An Energy Use And Emissions Inventory, Mark A. Gathany, Robert Chasnov
An Energy Use And Emissions Inventory, Mark A. Gathany, Robert Chasnov
Science and Mathematics Faculty Presentations
Maintaining a 400-acre campus which supports the education of 3000 students requires energy. Data were gathered from across campus as part of a faculty research project and in conjunction with an undergraduate course. The project was initiated in order to develop an energy usage and emissions inventory for the University while at the same offering students exposure to the process. Inventory inputs included stationary consumption (burning of natural gas to supply heat), electricity purchased, campus vehicle usage (gasoline consumption), commuter vehicle usage (faculty and staff only), and transportation and distribution (T&D) expenses. Whereas the student population has increased by only …
Cutting Away From The Power Grid, Robert Chasnov, Mark A. Gathany
Cutting Away From The Power Grid, Robert Chasnov, Mark A. Gathany
Science and Mathematics Faculty Presentations
One of the course objectives for the junior-level Thermodynamics course being taught to our mechanical engineering (ME) majors is “students will analyze engineering systems to evaluate their thermodynamic designs”. The Rankine Cycle and its application to power plants were studied intensely. Students were provided with the results of the campus Energy Usage and Emissions Inventory. Some key data which they noted was (1) 74% of the campus energy usage was electricity purchased from the local distributor (2007), (2) roughly 90% of the campus energy usage over the past 10 years was attributed to either purchased electricity or purchased natural gas, …