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Articles 1 - 15 of 15
Full-Text Articles in Entire DC Network
Mountain Development In Nepal: Settlements, Infrastructure, And Economic Transformation, Keshav Bhattarai, Ambika P. Adhikari
Mountain Development In Nepal: Settlements, Infrastructure, And Economic Transformation, Keshav Bhattarai, Ambika P. Adhikari
Himalayan Research Papers Archive
As Nepal urbanizes, expands infrastructure, strengthens local governments, and explores deeper connectivity with India and China, climate change is increasing floods, landslides, heat, and water insecurity. Rapid internal migration, rising disaster risks, youth outmigration, and dependence on remittances are also revealing the limits of conventional urban development, especially in the mountainous region. The central challenge for Nepal is no longer just to accommodate growing towns and cities, but to build settlements that are safe, productive, environmentally resilient, and capable of sustaining long-term prosperity.
This paper argues that Nepal's urban future must be guided by a new development paradigm centered on …
Hvsr-Based Resonance Analysis And Fault Zone Characterization In The El Paso Region, Alexandro Dominguez
Hvsr-Based Resonance Analysis And Fault Zone Characterization In The El Paso Region, Alexandro Dominguez
Open Access Theses & Dissertations
Horizontal to Vertical Spectral Ratio (HVSR) analysis offers an efficient method for characterizing near-surface structure, resolving sediment thickness, and identifying fault-controlled basin geometry in regions with strong impedance contrasts. This study applies HVSR techniques to continuous ambient-noise recordings collected across the El Paso region, a tectonically active segment of the southern Rio Grande Rift where accurate subsurface mapping is essential for seismic hazard assessment. Ambient-noise windows were processed, spectrally smoothed, and stacked to obtain stable HVSR curves, from which fundamental resonance frequencies and corresponding sediment-thickness estimates were derived. Spatial patterns in these resonance frequencies reveal pronounced basin asymmetry, abrupt lateral …
Geothermal Play Fairway Analysis, Part 2: Gis Methodology, Jacob Deangelo, John W. Shervais, Jonathan M. Glen, Dennis Nielson, Sabodh Garg, Patrick F. Dobson, Erika Gasperikova, Eric Sonnenthal, Lee M. Liberty, Drew L. Siler, James P. Evans
Geothermal Play Fairway Analysis, Part 2: Gis Methodology, Jacob Deangelo, John W. Shervais, Jonathan M. Glen, Dennis Nielson, Sabodh Garg, Patrick F. Dobson, Erika Gasperikova, Eric Sonnenthal, Lee M. Liberty, Drew L. Siler, James P. Evans
Geosciences Faculty Publications and Presentations
Play Fairway Analysis (PFA) in geothermal exploration originates from a systematic methodology developed within the petroleum industry and is based on a geologic, geophysical, and hydrologic framework of identified geothermal systems. We tailored this methodology to study the geothermal resource potential of the Snake River Plain and surrounding region, but it can be adapted to other geothermal resource settings. We adapted the PFA approach to geothermal resource exploration by cataloging the critical elements controlling exploitable hydrothermal systems, establishing risk matrices that evaluate these elements in terms of both probability of success and level of knowledge, and building a code-based ‘processing …
Delineating A Stream Network At Gale Crater, Mars, On Arcgis Pro: A Geographic Information Systems Approach, Elpidio Guzman De La Cruz
Delineating A Stream Network At Gale Crater, Mars, On Arcgis Pro: A Geographic Information Systems Approach, Elpidio Guzman De La Cruz
West Chester University Master’s Theses
The northwestern region of the Gale crater experienced flooding in the past. Delineation of stream networks for the northwestern region of Gale Crater, Mars employing geographic information systems (GIS) techniques is applied. The stream network produced by the algorithm in the study traverses the clay unit in Gediz Vallis, and visual HiRISE imagery analysis correlates with a topologic cross section of an inverted river channel of 750 meters wide and 90 meters deep. HiRISE imagery analysis further confirms a sulfate and clay stratigraphic unit in a stream 125 meters wide and 25 meters deep. Lastly, data smoothing procedures in the …
Exploring Questions Of Tectonic Geomorphology In The Bear River Range, Utah Using Terrain Analysis And Reconstruction, Edward M. Grasinger
Exploring Questions Of Tectonic Geomorphology In The Bear River Range, Utah Using Terrain Analysis And Reconstruction, Edward M. Grasinger
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Despite a long tradition of geologic studies in the region surrounding Utah State University, there remain unexplored questions and unutilized approaches for understanding the landscape evolution of the Bear River Range. A large-scale reconstruction of the East Cache fault system can be useful in estimating the total displacement of the fault, its geologic longevity, and total energy involved. Likewise, an analysis of reach-scale features of the Logan River can explore how tectonics and bedrock type affect the patterns and history of the river. Geographic Information Systems (GIS) software is useful in reconstructing, visualizing, and measuring such geomorphological features and changes …
Geologic Study Of The Palisades Park, Spokane, Washington, Ethan Jeffrey Ducken, Alex Michael Navarra
Geologic Study Of The Palisades Park, Spokane, Washington, Ethan Jeffrey Ducken, Alex Michael Navarra
Geosciences Student Work
The Palisades Park is a large City owned tract of land located on the western bluffs above Spokane. The purpose of this project was to create a geologic map and assess the features within the park for the benefit of a public conservation group, Friends of the Palisades. There are 3 main units identified by previous research in the vicinity. Volcanic rock units are part of the Columbia River Basalt Group (CRBG), which erupted primarily between 16.5 to 15.6 MA (Hammond 2013). Large sedimentary interbeds identified as Latah formation present between CRB flows (Swanson et al 1979a, 1979b). Latah formation …
Guidance Index For Shallow Landslide Hazard Analysis, Cheila Cullen
Guidance Index For Shallow Landslide Hazard Analysis, Cheila Cullen
Dissertations, Theses, and Capstone Projects
Rainfall-induced landslides are one of the most frequent hazards on slanted terrains. They lead to considerable economic losses and fatalities worldwide. Intense storms with high-intensity and long-duration rainfall have high potential to trigger rapidly moving soil masses due to changes in pore water pressure and seepage forces. Nevertheless, regardless of the intensity-duration of the rainfall, shallow landslides are influenced by antecedent soil moisture conditions. To the present day, no system exists that dynamically interrelates these two factors.
This work establishes a relationship between antecedent soil moisture and rainfall expressed in the form of a Shallow Landslide Index (SLI) at 1km …
Nutrient Contribution Of The Shallow Unconfined Aquifer To Pineview Reservoir, Thomas Nyanda Reuben
Nutrient Contribution Of The Shallow Unconfined Aquifer To Pineview Reservoir, Thomas Nyanda Reuben
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Pineview Reservoir, near Utah’s populous Wasatch Front, could play an important role in modulating water supply as water demands and water uses change in response to increasing population densities. The reservoir’s water quality may decline if nitrogen and phosphorus additions to the reservoir are not controlled. Most of the water flowing into the reservoir in summer and fall is contributed by the shallow ground water. The quantity and quality of the shallow ground water to Pineview Reservoir were studied from February 2010 through November 2011. The objectives were to: 1) increase understanding of nitrogen and phosphorus transport from ground water …
Spatial Patterns Of Herbaceous And Woody Recruitment In A Recently Restored Mixed Tidal Regime Freshwater Wetland, James B. Deemy
Spatial Patterns Of Herbaceous And Woody Recruitment In A Recently Restored Mixed Tidal Regime Freshwater Wetland, James B. Deemy
Theses and Dissertations
Ecological restoration of a converted wetland was characterized within a recently drained impoundment along the James River in Charles City County, Virginia. Colonizing vegetation was assessed over three growing seasons in both tidal and non-tidal environments. Study objectives were to (1) examine geospatial relations of recruitment patterns among colonizing species over three growing seasons, (2) quantify species composition and potential differences between extant species cover and soil seed banks across restored and natural wetland habitats and (3) assess geospatial patterns to develop a GIS model of bald cypress (Taxodium distichum L.) recruitment. The two most common native colonizing species during …
Streamflow Prediction Using Gis For The Kentucky River Basin, Bakkiyalakshmi Palanisamy
Streamflow Prediction Using Gis For The Kentucky River Basin, Bakkiyalakshmi Palanisamy
University of Kentucky Doctoral Dissertations
The study was aimed at developing a simple methodology for flow prediction in ungauged basins using existing data resources. For this purpose, the streamflow measurements across the Kentucky River Basin located in Kentucky, USA were obtained from United States Geological Survey (USGS) archive. The flow transferring characteristics of the subbasins of the Kentucky River Basin were obtained by combining downstream and upstream stream gauges. The flow transferring function thus derived were related to watershed, channel and flow characteristics of the subbasins by multiple regression analysis. The gauge pairs were divided into two classes of subbasins representing Upper and Lower Kentucky, …
Topographic Complexity And Benthic Community Variability Within A Kelp Forest In Monterey Bay, Ca : A Thesis ..., Eric J. Sandoval
Topographic Complexity And Benthic Community Variability Within A Kelp Forest In Monterey Bay, Ca : A Thesis ..., Eric J. Sandoval
Capstone Projects and Master's Theses
By understanding species and habitat associations, predictions of species composition can be made about a benthic community based on available habitat. In a kelp forest, topographic complexity can affect an organism, by modifying flow, altering food availability, altering light availability, and provide refuges and barriers that fragment the habitat. There are many qualitative ways to evaluate topographic complexity. Rugosity is a quantitative measure and is defined as the ratio of surface area to planar area. Using habitat maps developed in GIS from multibeam bathymetry data, regions of varying rugosity were mapped in southern Monterey Bay, CA. Associated benthic communities were …
Computer Modeling Of Geology In The Sparta And Montpelier Quadrangles Of Clay And Chickasaw Counties, Mississippi: A Tantalizing Near Miss, Jason Defibaugh Y Chávez
Computer Modeling Of Geology In The Sparta And Montpelier Quadrangles Of Clay And Chickasaw Counties, Mississippi: A Tantalizing Near Miss, Jason Defibaugh Y Chávez
Theses and Dissertations
This project attempted to combine digital data sets to define and map geologic features in the Sparta and Montpelier quadrangles of Chickasaw and Clay counties in northeastern Mississippi. LANDSAT TM, digital elevation, and soil permeability data was used in conjunction with reference data for the Sparta quadrangle to build a computer model. Variables used in the model were: geology, slope, soil permeability, vegetation indices, the first three bands of a tasseled cap transformation, and drainage frequency. The data used was LANDSAT TM 30 meter imagery, digital elevation models, also at 30 meter resolution, Penn State STASGO soils data, and the …
Gis Analysis Of The Pre And Post-Diversion Water Balances In Owens Valley, California, Anna Corinne Draa
Gis Analysis Of The Pre And Post-Diversion Water Balances In Owens Valley, California, Anna Corinne Draa
UNLV Retrospective Theses & Dissertations
Owens Valley, California is located at the western border of both the Basin and Range and Great Basin Provinces. The valley is hydrologically closed; the only outflow for ground and surface waters is evaporation to the atmosphere. Los Angeles Department of Water and Power (LADWP) began diverting water from Owens Valley in 1913 and has steadily increased the amount of water removed from the valley since then; LADWP has always assumed that the hydrologic system as it existed in 1913 was in equilibrium with modern climate. This study develops a geographical information systems (GIS) based model of Owens Valley to …
Gis Integration Of Remote Sensing And Electrical Sounding Data For Hydrogeological Exploration
Gis Integration Of Remote Sensing And Electrical Sounding Data For Hydrogeological Exploration
Journal of Spatial Hydrology
Interpretation of hydrogeological data frequently involves assimilating information from many sites each with a unique geographical location. Interpretation of these data requires that the spatial location be incorporated into the analysis. Geographic Information System (GIS) can be used efficiently for this purpose where hydrogeological data having different spatial identity can be analyzed objectively using different logical approaches. In the present paper GIS is used for the analysis of hydrogeological data acquired from remote sensing and surface geophysical techniques for the assessment of groundwater condition of a soft rock terrain in Midnapur District, West Bengal, India. Indian Remote Sensing (IRS-1B) LISS-II …
Legacy - December 1999, South Carolina Institute Of Archaeology And Anthropology--University Of South Carolina
Legacy - December 1999, South Carolina Institute Of Archaeology And Anthropology--University Of South Carolina
SCIAA Magazine - Legacy & PastWatch
Contents:
Stanley Austin South Awarded Order of the Palmetto.....p. 1
Director’s Notes.....p. 2
Santa Elena Update.....p. 3
Ceramic Workshop.....p. 6
International Rock Art Conference.....p. 7
Pumpkin Site Update.....p. 7
Petroglyph Survey Update.....p. 7
Allendale 1999 Field Season.....p. 8
ART Activities in 1999.....p. 14
SCIAA Researchers Funded.....p. 18
ART Donors.....p. 20
Housatonic Investigation.....p. 22
Prehistoric Dugout Canoe.....p. 26
Historic Ship Supply.....p. 26
State House Project.....p. 26
H.L. Hunley Update.....p. 27
Le Prince Update.....p. 27
Pimlico Shipwreck....p. 28
Student Intern.....p. 28
Confederate Burials Exhumed at The Citadel.....p. 29
SC National Guard Projects.....p. 30
American Battlefield Site Protection Grant.....p. 30
Research at Big …