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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 36 for “"Las Vegas Valley"”.
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Economic feasibility analysis of photovoltaic installations in the Las Vegas Valley
… before PV installation becomes feasible in the Las Vegas Valley. However, remote locations are feasible options if the line extension costs are high. The expressions developed are valuable when estimating future parameter values that result in an economic PV installation, and when making …
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A system model for source water assessment in the Las Vegas Valley
… of a Source Water Assessment Plan for Las Vegas Valley surface water runoff into Lake Mead is important since it will guide future work on source water protection of the main source of water; Once the vulnerability of the intake was determined, a tool was developed to help with source …
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Predictive modeling of soluble sulfate ion concentration in the Las Vegas Valley
… soluble sulfate ion concentrations in the Las Vegas Valley. Data utilized in this study were obtained from Clark County Department of Development Services records. Once collected, the data were reviewed and analyzed with traditional non-spatial statistics and spatial-based geostatistical …
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Estimation of Pm-10 from vacant lands in the Las Vegas valley
… States Environmental Protection Agency, the Las Vegas Valley is a serious nonattainment area for suspended particulate matter less than 10 microns in aerodynamic diameter (PM-10). The question is whether the amount of fine particulates less than 10 {dollar}\mu{dollar}m in the soil can be used …
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Evidence for Virgin Anasazi presence in the Las Vegas Valley and adjacent areas
… Anasazi culture. The ceramics are found in the Las Vegas area, more than 70 km west of permanent Anasazi settlements in the Moapa Valley. Little is known regarding Anasazi utilization of this area, since most investigators have focused on the permanent settlements. I examined 25 ceramic …
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Modelling land subsidence due to groundwater pumping/recharging in the Las Vegas valley
… for ground settlement and swelling occurring in Las Vegas Spring Preserve due to groundwater level changes has been developed. A FORTRAN code that uses the finite element method has been prepared. The computer code calculates the hydraulic head in the aquifer resulting from pumping and recharging …
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GIS for source water assessment and nonpoint source modeling in the Las Vegas Valley
… and protection of drinking water sources in the Las Vegas Valley. A Geographic Information System (GIS) was used to identify source water protection zones and to estimate nonpoint source loads for the entire watershed; The extent of the source water protection zones is represented by the valley's …
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The recent growth of the Las Vegas Valley and its effect on the criminal justice system
… to fully understand the recent growth of the Las Vegas Valley. The causes of this growth will then be analyzed as well as its effects on the criminal justice system of Southern Nevada. Finally, current theories regarding growth management will be discussed and applied to Southern Nevada.
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Spatial Distribution of Convective Activity in the Las Vegas Valley and its Relation to the Urban Growth Boundary
… transformation of the natural landscape in the Las Vegas Valley (LVV) has had any effect upon the climatology of the region. This research created a convective climatology and then analyzed the spatial distributions of the convective patterns occurring in the LVV to determine if there have been …
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Quantifying high-resolution hydrologic parameters at the basin scale using InSAR and inverse modeling, Las Vegas Valley, NV
… for inversely calibrating transmissivities (T), elastic and inelastic skeletal storage coefficients (Ske and Skv) of the developed-zone aquifer and conductance (CR) of the basin-fill faults for the entire Las Vegas basin, and to investigate future trends of land subsidence in Las Vegas Valley. …
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Sensitivity tests between Vs30 and detailed shear wave profiles using 1D and 3D site response analysis, Las Vegas Valley
… velocity to 30 m depth "Vs30" for site-class has become a critical parameter in site-specific and probabilistic hazard analysis. Yet, the general applicability of Vs30 can be ambiguous and much debate and research surround its application. In 2007, in part to mitigate the uncertainty …
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Groundwater contamination by selenium, nitrate, coliform bacteria, and volatile organic compounds in the Las Vegas Valley, Nevada, shallow aquifer zone
… 27 shallow groundwater monitoring wells in the Las Vegas Valley, Nevada, was sampled for selenium, nitrate, coliform bacteria and 37 volatile organic compounds. A distinct pattern of elevated levels of selenium, nitrates, and chloroform was observed in the developed portions of the valley. …
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Demographics and ecology of an isolated population of the desert pocket mouse, Chaetodipus penicillatus sobrinus, in the Las Vegas Valley, Nevada
… on a relic population within the city of Las Vegas, NV. Demographic information and movement patterns were documented and microhabitat selection analyzed. Chaetodipus. p. sobrinus activity correlated with ambient temperatures, during colder months (Ta = 15°C) C. p. sobrinus became …
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Estimation of leakage between the shallow and principal aquifers in the Las Vegas Valley Water District's main well field, Las Vegas, Nevada
Under natural conditions in Las Vegas Valley the shallow aquifer was recharged by upward leakage of ground water from the principal aquifer. Presently recharge to the shallow aquifer is infiltration from over-irrigation which poses a potential threat to the quality of the principal aquifer. To …
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A method for determining elements for elemental signature analysis of groundwater and treated Lake Mead water
… fingerprints of water using inductively coupled plasma mass spectrometry (ICP-MS); Lake Mead is the primary water supply for the Las Vegas Valley. During the summer months, several large underground aquifers are used to supplement the Lake Mead water supply. Treated Lake Mead water is recharged …
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Standard penetration test correlations for Las Vegas soils
… of cemented sands, gravel and clay in the Las Vegas Valley, the generally accepted SPT correlations vary from actual local conditions. The following discussion will present SPT correlations, based on field test data, for consistency, cohesion and the internal angle of friction, specifically …
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Sedimentological constraints on Middle Miocene extensional tectonism of the southern Las Vegas Range, southern Nevada
… of a Miocene lacustrine basin in the southern Las Vegas Range, Nevada, that was fragmented during a period of extensional tectonism. The model suggests that the sediments were deposited in an isolated basin during initiation of normal faulting in the Sheep Range extensional allochthon 12 to 16 …
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Effects of delayed drainage on subsidence modeling and parameter estimation
… affecting the subsidence processes occurring in Las Vegas Valley. Chapter 1 describes an investigation on the value of subsidence data for groundwater model calibration considering delayed drainage. The calibration results of 13 hydraulic parameters of a synthetic conceptual model evaluated for …
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Structural geology of the Gass Peak area Las Vegas Range, Nevada
… study of the area around Gass Peak, Las Vegas Range, Clark County, Nevada, has demonstrated the presence of a thick sequence of Paleozoic and Precambrian rocks overthrust on younger, Upper Paleozoic beds along the Gass Peak Thrust. Formations recognized in the upper plate of the …
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Probing corruption: Elite perceptions of sting operations
… that the nature of public corruption in the Las Vegas Valley justifies the use of federal law enforcement undercover operations. Using the elite interviewing method, the writer obtained the perceptions of twenty-four sworn public officials from the cities of Henderson, Las Vegas and North Las …
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