Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 28 for “"Field Data Collection"”.
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Hydrologic and water quality modeling with HSPF : utilization of data from a novel field data collection system and historical archives
… Program - FORTRAN (HSPF) is applied using data from the Williams River basin, New South Wales, Australia. The Williams River is an agricultural catchment with interesting physical characteristics and various non-point source water quality issues that warrant a modeling investigation to …
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Geospatial Technology/Traditional Ecological Knowledge-Derived Information Tools for the Enhancement of Coastal Restoration Decision Support Processes
… community significance or concern. Scientific field data collection measured marsh vegetation health characteristics. These data were analyzed for correlation with satellite image data acquired concurrently with field data collection. Resulting regression equations were applied to the image …
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Design of a Construction Safety Training System using Contextual Design Methodology
… the Contextual Design methodology requires field data collection, requirements analysis, model building, visioning and story boarding, and prototyping. A sample of 12 participants consisting of 7 tradespersons, 3 forepersons, and 2 owners/ managers, was selected for data collection. The data …
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Tennessee Rockfall Management System
… system, web-based GIS application, and rockfall database to provide a robust single interface for interacting with rock slope information. The system should prove to be a valuable tool for the proactive management of rock slopes. The most important use of the system will be to identify and …
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Assessing the cumulative impact of disturbance on canopy structure and chemistry in Appalachian forests
… State Forest in western Maryland. Intensive field surveys collected during the summer of 2009 provided measurements of canopy N and estimates of canopy cover, understory cover, and leaf cover. I used AVIRIS imagery flown concurrently with field data collection to map canopy nitrogen across …
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Evaluation of Head Impact Exposure and Concussion Injury Mechanisms in Youth Football
… of a concussion. Head impact sensors used for on-field data collection have allowed researchers to better understand the biomechanics of concussive and subconcussive impacts. However, there is still a limited understanding of the factors that may increase head impact exposure (HIE) and concussion …
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Operational effects of weigh-in-motion systems in weight enforcement
… at each weigh station were determined through field data collection at weigh stations. The proportion of the vehicle population directed to the static scale by WIM screening was analyzed, based on WIM accuracy and truck weight distributions at or near each weigh facility. By considering delay, …
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The development of entire body risk asssessment (ENBORA) method for work related musculoskeletal disorders (WMSDs)
… because it is inexpensive and practical in field data collection. However, several observational methods that are currently available only focus on assessing physical risk factors especially in terms ofthe diversity of body postures which do not encompass other factors of WMSDs including …
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Mechanisms Causing Ferric Staining in the Secondary Water System of Brigham City, Utah
… using various measurements and models including field data collection, computer simulations, and bench-scale testing to validate the processes proposed.
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The global walkability index
… by consulting experts from a variety of related fields. After considering different methods for survey area selection, field data collection, and data aggregation, I created prototypes of the index and survey materials and organized field tests in cities throughout the world, including Beijing, …
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Landscape pattern and blister rust infection in whitebark pine (Pinus albicaulis) at alpine treeline, Northern Rocky Mountains, U.S.A.
… Mountains of Montana using landscape metrics and fieldwork; 2) to determine the frequency of blister rust infection of whitebark pine trees and determine if landscape pattern is correlated with higher infection rates; and 3) to characterize the climate at alpine treeline. I used both field surveys …
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Towards an understanding of the barriers which prevent the routine engagement with urban green space
… site assessments and the creation of a bespoke field data collection instrument; participant diary analysis; semi-structured interviews and focus group analysis. Shove et al’s. (2010) concept of social practice theory was used to interpret common associated practices, leading to a set of …
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Comparison of stopped delay between field measurements and HCM 2010 estimations at actuated signalized intersections
… for actuated signalized intersections using field data. The HCM stopped delay estimates were statistically compared with the field measurements for six signalized intersections along an actuated-coordinated corridor during four time periods of day, namely AM peak, off peak, noon peak, and PM …
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Investigation of the Relationships Between Geotechnical Sediment Properties and Sediment Dynamics Using Geotechnical and Geophysical Field Measurements
… the goal of this research is to advance field data collection methods and field data availability towards advancing the current understanding and prediction of nearshore sediment dynamics. Geotechnical and geophysical measurements were conducted at different sites: Delaware Bay, Delaware; …
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Auto-Calibration of WIM Using Traffic Stream Characteristics
… produced minimal MAPE at the study sites. WIM data from two sites (Lamar and Lonoke) and static scale data from one site (Alma) were collected along Eastbound I-40 in Arkansas during March 2018. The updated MNDOT auto-calibration algorithm reduced the MAPE by 2.5% compared to the baseline …
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Human Computer Interaction Design for Assisted Bridge Inspections via Augmented Reality
… System (WIRMS), the system supports various data entry methods and an adaptable automation workflow for defect measurements, showcasing AR's potential to improve bridge inspection efficiency and accuracy. Within this context, the work's main research goal is to understand the difference in …
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High-Throughput Phenotyping and Genomic Prediction in Multi-Environment Plant Breeding Field Trials
… the growing season in large, multilocation field trials. This large-scale phenotyping produces the data necessary to select lines with a desirable combination of traits. The use of unoccupied aerial vehicles (UAVs) equipped with sensors to assist breeding programs in field data collection …
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Satellite image classification and spatial analysis of agricultural areas for land cover mapping of grizzly bear habitat
… agricultural areas. Spectral and environmental data for five different land-cover types of interest were acquired in late July, 2007, from Landsat Thematic Mapper satellite imagery and field data collection in two study areas in Alberta. Three different classification methods were analyzed, the …
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Plant Successional Patterns at Sperry Glacier Foreland, Glacier National Park, MT, USA
… in Glacier National Park, Montana. Through field data collection, additional Geographic Information System (GIS) derived variables, and subsequent geostatistical analysis, I specifically assessed: (1.) vegetative trends (percent cover, species richness, Shannon's diversity, species evenness, …
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Development of a Microscopic Emission Modeling Framework for On-Road Vehicles
… cannot be calibrated using publicly available data and thus require expensive laboratory or field data collection. Consequently, this dissertation attempts to fill this gap in state-of-the-art emission modeling through a framework based on the Virginia Tech Comprehensive Power-Based Fuel …
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