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Social and Behavioral Sciences Commons™
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- Earth sciences (3)
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- Airbourne lidar (1)
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Articles 1 - 4 of 4
Full-Text Articles in Social and Behavioral Sciences
Towards Systematic Selection Of Terrain- And Ground Cover-Specific Lidar Filtering Parameters, Vance Green
Towards Systematic Selection Of Terrain- And Ground Cover-Specific Lidar Filtering Parameters, Vance Green
Graduate Theses and Dissertations
Accurate automated classification of LiDAR point clouds is a well-known problem and proper parameterization of the classification algorithm is essential to creating useful bare-earth terrain models. Parameterization is particularly important in areas characterized by extremely low relief, such as the Little Red River Irrigation Project Area in central Arkansas. In this kind of landscape, analyses such as hydrological flow models are sensitive to small changes in the topography, and therefore prone to errors in the classification of the LiDAR point cloud and the digital elevation models (DEMs) derived from it. Developing effective project-specific parameters requires a high degree of knowledge …
Thermodynamic Modeling Of Aqueous Geochemistry Of Chlorine Salts: Application To Stability And Habitability Of Liquid Brines On Mars, Amira Elsenousy
Thermodynamic Modeling Of Aqueous Geochemistry Of Chlorine Salts: Application To Stability And Habitability Of Liquid Brines On Mars, Amira Elsenousy
Graduate Theses and Dissertations
The WCL (Wet Chemistry Lab) instrument on board the Mars’s Phoenix Lander has identified the soluble ionic composition of the soil at the landing site. Two important ions were detected at the landing site; perchlorates (ClO4-) with a concentration of ~ 2.4 wt% and chlorides (Cl-) with a concentration of 0.54 wt%. Between chloride and perchlorate ions three other oxidized ions exist and called chlorine ions: hypochlorite ClO - (ox. state +1), chlorite ClO2- (ox. state +3) and chlorate ClO3- (ox. state +5). These oxidized ions might be existed as intermediate species on the surface of Mars but remained undetected. …
Comparative Geomatic Analysis Of Historic Development, Trends, And Functions Of Green Space In Kuwait City From 1982-2014, Yousif Abdullah
Comparative Geomatic Analysis Of Historic Development, Trends, And Functions Of Green Space In Kuwait City From 1982-2014, Yousif Abdullah
Graduate Theses and Dissertations
This research assessed green space morphology in Kuwait City, explaining its evolution from 1982 to 2014, through the use of geo-informatics, including remote sensing, geographic information systems (GIS), and cartography. This research examined archival and contemporary satellite images that show the distribution, size, amount, and type of green spaces in Kuwait City, within the framework of its surrounding urban, exurban, and suburban expansion, and landuse change. Through this integrated analysis, it was found that green space growth passed through three main stages: Early Stage, Growth Stage, and Stable Stage.
This study also examined the effective use of public parks and …
Mapping Ancient Baldcypress Forests For Conservation At Black River, North Carolina, Jordan Nichole Burns
Mapping Ancient Baldcypress Forests For Conservation At Black River, North Carolina, Jordan Nichole Burns
Graduate Theses and Dissertations
A few ancient baldcypress-bottomland hardwood forests survive across the southeastern United States in a mosaic of remnant old-growth stands left untouched by extensive logging during the early 20th century. Uncut stands in the Southeast that survived centuries of disturbance following European settlement tended to be too senescent and non-commercial to justify logging. Remnant ancient baldcypress forests at Black River, North Carolina, appear to contain the oldest living trees in eastern North America and The Nature Conservancy has protected several of these stands. However, the full extent of ancient bottomland forests along Black River is not known and many valuable tracts …