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Showing 1 to 20 of 44 for “"north central Texas"”.
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Spatial Analysis of Teen Births in North Central Texas
… variations exist between and within regions. Texas is one of the 5 leading states with the highest teen birth rates to mothers less than 18 years of age. This research provides a detailed analysis of births to mothers aged between 10 and 19 years in North Central Texas counties. Due to the …
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Studies of the Strawn-Canyon Boundary, Pennsylvanian, in North-Central Texas
Made available in DSpace on 2014-12-04T19:13:21Z (GMT). No. of bitstreams: 1 0006011.pdf: 7410640 bytes, checksum: 6eb4999f4d0ea200d795ff72bc2a3cc3 (MD5) Previous issue date: 1953
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Petrology of Upper Paleozoic Clays and Shales of North Central Texas
Made available in DSpace on 2014-12-04T19:14:09Z (GMT). No. of bitstreams: 1 6104375.pdf: 7047789 bytes, checksum: c9b949f03d80ddd24a59528db749e139 (MD5) Previous issue date: 1961
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Detailed paleoclimatic records from late Pennsylvanian polygenetic paleosols : north-central Texas, USA.
… multistory, polygenetic paleosol intervals in north-central Texas, USA record complex paleoclimatic and paleohydrologic histories. Both paleosol intervals show evidence for initial development under well-drained conditions (illuviated clay, pedogenic calcite nodules, high-chroma matrix colors) …
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Selection and Use of Aquatic Vegetation by Migratory Waterfowl in North Central Texas
… of 1997-2000 on 49 0.2-0.79 ha research ponds in north central Texas. Ponds were categorized by dominant plant species into eight habitat types. Census with waterfowl species identification were performed to investigate impacts of aquatic vegetation and water depth on waterfowl. Eighteen waterfowl …
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Windows to literature: The computer as context in north central Texas community colleges
… computer-aided literature classes in the North Central Texas community colleges and an analysis of the survey results. Concerns and advantages of studying literature with computer technology are also addressed. Although the study of literature is a complex undertaking, computer technology …
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Distribution and Probable Sources of Nitrate in the Seymour Aquifer, North Central Texas, USA
… in the Seymour Aquifer region, especially in the central agricultural belt. Data indicated that this is an ongoing problem in the Seymour Aquifer and that agricultural activity and rural septic systems are the likely sources of the nitrate. Inconclusive results emphasized the need for a more …
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Interpreting Prehistoric Patterns: Site Catchment Analysis in the Upper Trinity River Basin of North Central Texas
… in a model of prehistoric settlement patterns in North Central Texas.
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Alternative groundwater resources in North-central Texas for the development of the Barnett Shale gas play
Texas water resources are under pressure due to population growth expected in the coming decades, increasing industrial demands, and frequent periods of drought. With this increasing demand for limited water resources it is important to explore alternative water sources within the State. One of …
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Macroinvertebrate Community Structure as an Indicator of Watershed Health in the Upper Trinity River Basin, North Central Texas
This study describes macroinvertebrate community structure and assesses its potential in detecting point and non-point sources of disturbance associated with rural and urban areas in the Upper Trinity River Basin. Geospatial techniques were used to quantify landuse within the watershed in a GIS. At …
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An examination of the riparian bottomland forest in north central Texas through ecology, history, field study, and computer simulation
… of a riparian bottomland forest in north central Texas in two ways: field study, and computer simulation with the model ZELIG. First, context is provided in Chapter One with a brief description of a southern bottomland forest, the ecological services it provides, and a history of …
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Green Improvements: A Consumer's Guide to Environmentally and Economically Responsible Home Repairs and Improvements for the North Central Texas Region
The Consumer's Guide is designed to help consumers by providing guidelines for the purchase of specific energy-efficient household appliances- water heaters, air conditioning and heating systems, windows, dishwashers, refrigerators, clothes washers, and dryers. This serves two major purposes: to …
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A Study of Block Scheduling and Instructional Strategies and their Influence on Algebra Achievement in Classrooms Throughout North Central Texas
… the influence identified through scores on the Texas End-of-Course exam for Algebra I. The sample for this study consisted of 59 school districts from five counties in the north Texas area. The qualitative portion of this study focused on 10 classrooms, 5 block and 5 traditional, taken from the …
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RESOLUTION OF SUB-SEISMIC RESERVOIRS BY THE APPLICATION OF SPECTRAL DECOMPOSITION AND SPECTRAL INVERSION METHODS IN BOONSVILLE FIELD, NORTH CENTRAL TEXAS.
Constrained least squares-spectral analysis (CLSSA) and high resolution spectral inversion are applied to 3D seismic dataset from Boonsville field to overcome the wavelet interference arising from complex reflection patterns created by thin layering within Atoka conglomerate that forms the …
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The Representation of Hispanic Females in Gifted and Talented and Advanced Placement Programs in a Selected North-Central Texas Public High School
Analysis of a particular north-central Texas public high school revealed a strong representation of Hispanic females in advanced academic programs, i.e., AP and GT in proportion to their representation in the overall student population. Research seems to indicate that a progressive approach to …
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Assessing the Potential Effects of Climate Variability on Reservoir Water Volume in North-Central Texas Using GIS and Models: A Case Study of Ray Roberts Lake.
… difficult tasks in planning the future growth of North-Central Texas. This study defined twelve extreme climate scenarios. Data from each scenario was input to a hydrological model (HEC-HMS) to calculate watershed runoff to Lake Ray Roberts. Model parameters are determined using Geographic …
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Use of GIS to Identify and Delineate Areas of Fluoride, Sulfate, Chloride, and Nitrate Levels in the Woodbine Aquifer, North Central Texas, in the 1950s, 1960s, 1970s, 1980s, and 1990s
ArcView and ArcInfo were used to identify and delineate areas contaminated by fluoride, sulfate, chloride, and nitrate in the Woodbine Aquifer. Water analysis data were obtained from the TWDB from the 1950s to 1990s covering 9 counties. 1990s land use data were obtained to determine the …
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Geology as a Georegional Influence on Quercus Fagaceae Distribution in Denton and Coke Counties of Central and North Central Texas and Choctaw County of Southeastern Oklahoma, Using GIS as an Analytical Tool.
… on bedrock and soil orders in two counties in Texas and one in Oklahoma. ESRI's ArcGis and ArcMap was used to create surface maps for Denton and Coke Counties, Texas and Choctaw County, Oklahoma. Attribute tables generated in GIS were exported into a spreadsheet software program and frequency …
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Rainfall-runoff changes due to urbanization: a comparison of different spatial resolutions for lumped surface water hydrology models using HEC-HMS.
… on the flow regime of a watershed located in North-Central Texas. Additionally, the effect of spatial resolution was examined by conducting the simulations using sub-watersheds of different sizes to account for the watershed. Using the Army Corps of Engineers, Hydrologic Engineering Center …
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Utilization of Corridor Habitat by White-tailed Deer (Odocoileus virginianus) in Denton County, Texas
… Lake Ray Roberts Greenbelt Corridor (RRGC) in north central Texas. Home ranges were calculated using three estimation types. Male white-tailed deer tend to have home ranges twice that of female home ranges. Seasonal home ranges were largest during spring (Feb. - April) and fall (Aug. - Oct.) …
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