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Articles 1 - 16 of 16
Full-Text Articles in Physical Sciences and Mathematics
Balancing Renewable Energy And River Resources By Moving From Individual Assessments Of Hydropower Projects To Energy System Planning, Jeffrey J. Opperman, Juan Pablo Carvallo, Rafael Kelman, Rafael J. P. Schmitt, Rafael M. Almeida, Emily Chapin, Alexander Flecker, Marc Goichot, Guenther Guenther Grill, Julien J. Harou
Balancing Renewable Energy And River Resources By Moving From Individual Assessments Of Hydropower Projects To Energy System Planning, Jeffrey J. Opperman, Juan Pablo Carvallo, Rafael Kelman, Rafael J. P. Schmitt, Rafael M. Almeida, Emily Chapin, Alexander Flecker, Marc Goichot, Guenther Guenther Grill, Julien J. Harou
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
As governments and non-state actors strive to minimize global warming, a primary strategy is the decarbonization of power systems which will require a massive increase in renewable electricity generation. Leading energy agencies forecast a doubling of global hydropower capacity as part of that necessary expansion of renewables. While hydropower provides generally low-carbon generation and can integrate variable renewables, such as wind and solar, into electrical grids, hydropower dams are one of the primary reasons that only one-third of the world’s major rivers remain free-flowing. This loss of free-flowing rivers has contributed to dramatic declines of migratory fish and sediment delivery …
Assessing Compressed Air Energy Storage (Caes) Potential In Kentucky To Augment Energy Production From Renewable Resources, J Richard Bowersox, John B. Hickman
Assessing Compressed Air Energy Storage (Caes) Potential In Kentucky To Augment Energy Production From Renewable Resources, J Richard Bowersox, John B. Hickman
Report of Investigations--KGS
Fossil fuel power plants in Kentucky have some of the highest emissions of greenhouse gasses in the United States. One potential strategy for mitigating greenhouse gasses from electric power generation is the co-installation of Compressed Air Energy Storage (CAES) and a renewable source such as photovoltaic solar electricity generation (PV solar generation). CAES with complementary co-installed PV solar generation enhances stand-alone PV solar generation because CAES power is available at night.
CAES, however, requires both a site where large volumes of compressed air can be stored in the subsurface, and a heat source to prepare the stored air prior to …
Limited Rigor In Studies Of Raptor Mortality And Mitigation At Wind Power Facilities, Tara J. Conkling, Christopher J.W. Mcclure, Sandra Cuadros, Scott R. Loss, Todd E. Katzner
Limited Rigor In Studies Of Raptor Mortality And Mitigation At Wind Power Facilities, Tara J. Conkling, Christopher J.W. Mcclure, Sandra Cuadros, Scott R. Loss, Todd E. Katzner
United States Geological Survey: Staff Publications
Wind power is an expanding source of renewable energy. However, there are ecological challenges related to wind energy generation, including collisions of wildlife with turbines. Lack of rigor, and variation in study design, together limit efforts to understand the broad-scale effects of wind power infrastructure on wildlife populations. It is not clear, however, whether these types of limitations apply to groups of birds such as raptors that are particularly vulnerable to negative effects of wind energy. We reviewed 672 peer-reviewed publications, unpublished reports, and citations from 321 wind facilities in 12 countries to evaluate methods used to monitor and mitigate …
The Effect Of Urban Heat Island On Groundwater Located In Shallow Aquifers Of Kütahya City Center And Shallow Geothermal Energy Potential Of The Region, Turkey, Ali Samet Öngen, Zeynel Abidin Ergüler
The Effect Of Urban Heat Island On Groundwater Located In Shallow Aquifers Of Kütahya City Center And Shallow Geothermal Energy Potential Of The Region, Turkey, Ali Samet Öngen, Zeynel Abidin Ergüler
Bulletin of the Mineral Research and Exploration
As a result of urbanization, natural surfaces are replaced by artificial surfaces that trap heat such as buildings, pavements and asphalt, so residential areas have higher temperature values than rural areas. This effect, defined as the urban heat island, causes an increase not only in air temperature but also in the subsurface and groundwater. Groundwater temperature values were measured during one year in an area approximately 53 km2 consisting of different types of settlement areas to determine the urban heat island effect on the subsurface of Kütahya. As a result of the measurements, urban heat island maps were prepared. It …
Biomass Production On Farms In The Eastern United States, Thomas C. Keene, S. Ray Smith, Michael D. Montross
Biomass Production On Farms In The Eastern United States, Thomas C. Keene, S. Ray Smith, Michael D. Montross
IGC Proceedings (1997-2023)
No abstract provided.
Answers In The East: An Examination Of China's Renewable Energy And Its Application To Central Appalachia, Lillian Hamm
Answers In The East: An Examination Of China's Renewable Energy And Its Application To Central Appalachia, Lillian Hamm
Mahurin Honors College Capstone Experience/Thesis Projects
While much of China’s electrification has depended on coal, recent decades illustrate the country is heavily investing in and implementing renewable energy as a power source. Even China’s coal-rich provinces, like the northeastern province of Shanxi, have been making the transition to renewable energy. The central Appalachian states comprised of eastern Kentucky, West Virginia, western Virginia, and northeastern Tennessee share many characteristics with China’s Shanxi province including economic resources, climate, and geography. Yet, central Appalachia has not been able to easily transition to renewable energy. However, there are various cultural, political, and technological differences between the two regions to explain …
Future Availability Of Non-Renewable Metal Resources And The Influence Of Environmental, Social, And Governance Conflicts On Metal Production, Simon Jowitt, Gavin M. Mudd, John F.H. Thompson
Future Availability Of Non-Renewable Metal Resources And The Influence Of Environmental, Social, And Governance Conflicts On Metal Production, Simon Jowitt, Gavin M. Mudd, John F.H. Thompson
Geoscience Faculty Research
Metal mining provides the elements required for the provision of energy, communication, transport and more. The increasing uptake of green technology, such as electric vehicles and renewable energy, will also further increase metal demand. However, the production lifespan of an average mine is far shorter than the timescales of mineral deposit formation, suggesting that metal mining is unsustainable on human timescales. In addition, some research suggests that known primary metal supplies will be exhausted within about 50 years. Here we present an analysis of global metal reserves that suggests that primary metal supplies will not run out on this timescale. …
Socioeconomic Analyses Of Renewable Energy Options For Sub-Saharan Africa : A Regional And National Approach, Sydney Oluoch
Socioeconomic Analyses Of Renewable Energy Options For Sub-Saharan Africa : A Regional And National Approach, Sydney Oluoch
Theses, Dissertations and Culminating Projects
The energy demands of future Sub Saharan African (SSA) economies will be primarily driven by population and economic development. The expected primary challenge will be meeting the increased energy demands while mitigating greenhouse gas (GHG) emissions. This can be achieved by reducing dependence on fossil fuels and transitioning towards renewable sources of energy. This dissertation aims at assessing renewable energy options for SSA through three primary objectives. First, we provided insight into the scope, trends, and focus of renewable energy research in SSA by quantitatively reviewing scientific articles. The approach allowed us to determine the geographical scope, different types of …
Is Ghana Ready To Attain Sustainable Development Goal (Sdg) Number 7?—A Comprehensive Assessment Of Its Renewable Energy Potential And Pitfalls, Michael Acheampong, Qiuyan Yu, Funda C. Ertem, Lucy E.D. Enomah, Shakhawat H. Tanim, Michael Eduful, Mehrdad Vaziri, Erick Ananga
Is Ghana Ready To Attain Sustainable Development Goal (Sdg) Number 7?—A Comprehensive Assessment Of Its Renewable Energy Potential And Pitfalls, Michael Acheampong, Qiuyan Yu, Funda C. Ertem, Lucy E.D. Enomah, Shakhawat H. Tanim, Michael Eduful, Mehrdad Vaziri, Erick Ananga
School of Geosciences Student Publications
Ghana has declared support for the UN Sustainable Development Goal (SDG) number seven which most importantly target ensuring universal access to affordable, reliable and modern energy services. This target presents a formidable challenge to Ghana because the country still relies mainly on traditional biomass as its primary source of energy coupled with a chronically fragile hydropower sector. In this study, we assess Ghana’s potential in achieving sustainable goal number seven. Specifically, we comprehensively review the breakthroughs and impediments Ghana has experienced in its efforts towards improving its renewable energy potential. We note that while Ghana has made significant stride toward …
Lithium And The Foreseeable Future, Paolo Vargas
Lithium And The Foreseeable Future, Paolo Vargas
Mechanical Engineering Undergraduate Honors Theses
This paper aims to clarify the uncertainties regarding worldwide lithium resource availability in the years to come. Previous studies made on the subject are presented with some ambiguity and this work intends to fill the gaps. The information and data presented throughout this script with respect to global lithium resources and reserves are mostly based on data released by the United States Geological Survey (USGS). Lithium resource availability in the future is a point of paramount significance primarily for the automotive, portable electronics, and the power generation industry. Since, a change of supply would ultimately affect the price of lithium, …
Potential For Developing Run-Of-River Systems In Eastern Kentucky : A Gis Approach To Site Suitability., Thomas Jeffords
Potential For Developing Run-Of-River Systems In Eastern Kentucky : A Gis Approach To Site Suitability., Thomas Jeffords
Electronic Theses and Dissertations
Coal has a questionable future with the potential exhaustion of available coal. Alternate sources of energy production should be considered, such as hydropower dams, or the more environmentally friendly, Run of River (RoR) hydropower system. This study seeks to answer the question: What is the potential for RoR hydroelectric systems in Eastern Kentucky counties with significant decreases in coal production and employment? I hypothesize that GIS will identify suitable sites within Pike County for RoR systems. Site suitability for Eastern Kentucky was assessed and determined that Pike County did not have a suitable physical environment for RoR systems. The power …
High-Altitude Grassland Management And Improvement Of Pastoral Livelihoods In The Hindu Kush Himalayan Region, Eklabya Sharma
High-Altitude Grassland Management And Improvement Of Pastoral Livelihoods In The Hindu Kush Himalayan Region, Eklabya Sharma
IGC Proceedings (1997-2023)
The Hindu Kush Himalayan (HKH) region is the largest mountain systems in the world, spanning over 4.3 million km2 and covering 3500 km long fragile environment. Grasslands in the HKH region are the source of livelihoods for approximately 25 to 30 million pastoralists and agro-pastoralists. High altitude grasslands play a significant role in storage and regulation of water; storage of carbon in soil and peat lands; permafrost storage; and stabilization of climate, soil, and nutrients. They foster a rich biodiversity with endemic species of fauna and flora; provide clean air and open spaces for recreational purposes, and bolster a rich …
Design Of A High Temperature Subsurface Thermal Energy Storage System, Qi Zheng
Design Of A High Temperature Subsurface Thermal Energy Storage System, Qi Zheng
All Theses
Solar thermal energy is taking up increasing proportions of future power generation worldwide. Thermal energy storage technology is a key method for compensating for the inherent intermittency of solar resources and solving the time mismatch between solar energy supply and electricity demand. However, there is currently no cost-effective high-capacity compact storage technology available (Bakker et al., 2008). The goal of this work is to propose a high temperature subsurface thermal energy storage (HSTES) technology and demonstrate its potential energy storage capability by developing a solar-HSTES-electricity generation system. In this work, main elements of the proposed system and their related state-of-art …
Creating The Law Of Environmentally Sustainable Economic Development, John Dernbach
Creating The Law Of Environmentally Sustainable Economic Development, John Dernbach
John C. Dernbach
This article argues that a key to sustainability is redirecting the law of economic development. From a historical perspective, sustainable development is an effort to integrate environmental protection and restoration with development. As a result, it is not possible to fully understand sustainable development unless we understand what development means. While that term is reasonably well understood at the international level, our closest analogue in the United States is not development in general but rather economic development. A great many recently enacted laws that move the United States toward sustainability can be understood as economic development laws. By understanding these …
Slides: Integrated Policy, Planning, And Management Of Water Resources, Robert Wilkinson
Slides: Integrated Policy, Planning, And Management Of Water Resources, Robert Wilkinson
Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)
Presenter: Robert Wilkinson, Ph.D., Director of the Water Policy Program, Donald Bren School of Environmental Science and Management, University of California-- Santa Barbara
60 slides
Moving The Climate Change Debate From Models To Proposed Legislation: Lessons From State Experience, John C. Dernbach
Moving The Climate Change Debate From Models To Proposed Legislation: Lessons From State Experience, John C. Dernbach
John C. Dernbach
This Article assesses the relationship between state climate change mitigation measures and potential national climate change legislation. It describes and evaluates eleven different legal and policy tools being employed by states. These are: customer choice of electricity providers, environmental labeling requirements for electricity sources, building codes requiring energy efficiency, demand-side management, system benefit charges, cap-and-trade programs, tax credits, net metering, planning and siting preferences for renewable energy facilities, CO2 limits for new power plants, and renewable energy portfolio standards. Two broad conclusions emerge from this analysis. First, these tools have considerable potential to reduce greenhouse gas emissions. They achieve reductions …