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Articles 1 - 4 of 4
Full-Text Articles in Physics
Propagation Of Lightning Through Thick Thunderclouds, Isaiah Henry, Dieudonné D. Phanord
Propagation Of Lightning Through Thick Thunderclouds, Isaiah Henry, Dieudonné D. Phanord
McNair Poster Presentations
The phenomenon that is lightning, have sparked the interest of physicists and scientists for centuries. The journey to understanding this phenomenon of high-current electric discharge, can unlock the secret to other lightning related phenomenons. Lightning is a major source of interference in many types of radio communications. The effects of lightning on space crafts, nuclear power plants, and sophisticated military equipment, are problems of increasing concern. The purpose of this research is to study the propagation of lightning through optically thick thunderclouds by applying knowledge of cloud micro-physics, the physics of lightning, diffusion approximations, and an understanding of the scattering …
Epa's Proposed Greenhouse Gas Regulation For Power Plants: How Does It Work And What Will It Mean For Nevada?, Adele C. Morris
Epa's Proposed Greenhouse Gas Regulation For Power Plants: How Does It Work And What Will It Mean For Nevada?, Adele C. Morris
Brookings Scholar Lecture Series
In June, the Environmental Protection Agency proposed important new limits on carbon dioxide emissions from existing U.S. power plants. The new regulation is the centerpiece of the Obama Administration’s climate policy. If the controversial rule is finalized as planned next year, it will cover about a third of U.S. greenhouse gas emissions. This lecture will explain the legal, environmental, and economic issues posed by the rule and highlight the important role for states in implementing it. The lecture will also review the implications and options for achieving the emissions target the EPA set for Nevada.
Humidity And Temperature Boundaries For Biofilm Formation In Yucca Mountain, Terry Ann Else, Penny S. Amy, James Jay, Amy J. Smiecinski
Humidity And Temperature Boundaries For Biofilm Formation In Yucca Mountain, Terry Ann Else, Penny S. Amy, James Jay, Amy J. Smiecinski
Publications (YM)
To determine the long-term success of the recommended Yucca Mountain high-level nuclear waste repository, studies of bacterial colonization and biofilm development are needed. Bacteria involved in microbially-influenced corrosion and degradation are known to form biofilms with the potential to impact the integrity of repository packaging and structural materials. Temperature and humidity are environmental factors that can greatly affect biofilm formation. Therefore, it is necessary to determine the temperature and humidity conditions that affect biofilm formation. Microcosms, which simulated the repository environment of Yucca Mountain, were placed at temperatures ranging from 30° C to 70° C and in relative humidities ranging …
Influence Of Las Vegas Wash Density Current On Nutrient Availability And Phytoplankton Growth In Lake Mead, John R. Baker, Larry J. Paulson
Influence Of Las Vegas Wash Density Current On Nutrient Availability And Phytoplankton Growth In Lake Mead, John R. Baker, Larry J. Paulson
Publications (WR)
Density currents are commonly formed in reservoirs because of temperature or salinity induced density differences between inflowing and receiving waters. Anderson and Pritchard (1951) were among the first to demonstrate this in their investigations of density currents in Lake Mead. They found that the Colorado River formed an underflow in Lake Mead during the winter, an overflow in the spring and an interflow in the summer and fall. Wunderlich and Elder (1973) have since described the hydromechanics of these types of flow patterns, and density currents have been reported for several other large reservoirs (Carmack et al. 1979, Johnson and …