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Articles 1 - 20 of 20
Full-Text Articles in Engineering
An Assessment Of The Effects Of Desertification In Yobe State, Nigeria, Jibril Musa Phd
An Assessment Of The Effects Of Desertification In Yobe State, Nigeria, Jibril Musa Phd
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
Desertification is one of the most serious environmental and socio-economic problems of our time. Desertification describes circumstances of land degradation in arid, semi-arid and dry sub-humid regions resulting from the climatic variation and human activities. The fundamental goal of this thesis was to assess the effects of desertification in Yobe State, Nigeria. The present threat of desertification in the sahel has reached an alarming stage where crops cultivation and animal rearing/grazing are no more productive, soil has lost its nutrient/fertility, various infrastructure had given way because of windstorm from the neighbouring Niger Republic and sand dunes had taken over. The …
Using Remote Sensing Data To Improve Rice Production In Kutigi, Niger State, Nigeria, Jibril Musa Phd, M B. Yunusa
Using Remote Sensing Data To Improve Rice Production In Kutigi, Niger State, Nigeria, Jibril Musa Phd, M B. Yunusa
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
This research work looked in the used of Remote Sensing to improve Agricultural production in Kutigi, Niger State. The aim of the study is to use remote sensing to improve rice farming activities in Kutigi, Niger State. It is very important to identify such methods to improve Agricultural production because experts are always interested in new researches and findings to better the standard of living in any environment. In view of this, Remotely-sensed data could be used or employed to elevate most of these agricultural problems in Kutigi through the following objectives: Using Landsat imagery to assess the present landuse …
Diseñando Colisiones De Satélites En La Guerra Cibernética Encubierta, Jan Kallberg
Diseñando Colisiones De Satélites En La Guerra Cibernética Encubierta, Jan Kallberg
Jan Kallberg
La guerra concentrada en la red depende de la red de información global para capacidades de combate conjuntas.3 La capa fundamental crea la capacidad de combate global como la columna vertebral espacial de la red de información donde los haberes espaciales son el elemento decisivo. EE.UU. depende de las capacidades espaciales para su éxito y la seguridad nacional de EE.UU. se basa hoy en día en un número limitado de satélites muy utilizados. Estos satélites son cruciales para la disuasión estratégica, la vigilancia, la recopilación de inteligencia y las comunicaciones militares. Si la disuasión estratégica falla, los satélites forman parte …
The Return Of Dr. Strangelove: How Austerity Makes Us Stop Worrying And Love The Bomb…And Cyber War, Jan Kallberg, Adam Lowther
The Return Of Dr. Strangelove: How Austerity Makes Us Stop Worrying And Love The Bomb…And Cyber War, Jan Kallberg, Adam Lowther
Jan Kallberg
With sequestration looming—generating significant cuts to defense spending—the United States may find itself increasingly relying on nuclear and cyber deterrence as an affordable way to guarantee national sovereignty and prevent major conflict. While earlier defense planning and acquisitions were based on economic conditions that no longer exist, Congress’ options to balance the budget by cutting defense spending are politically palatable because far fewer American are “defense voters” than “social welfare voters,” according to a number of recent public opinion surveys.
Review Of The Challenger Launch Decision: Risky Technology, Culture And Deviance At Nasa, Peter F. Meiksins
Review Of The Challenger Launch Decision: Risky Technology, Culture And Deviance At Nasa, Peter F. Meiksins
Peter Meiksins
Reviews the book "The Challenger Launch Decision: Risky Technology, Culture and Deviance at NASA," by Diane Vaughan.
Variations In Climatic Parameters And Food Crop Yields: Implications On Food Security In Benue State, Nigeria., Emmanuel Adamgbe, Fanan Ujoh
Variations In Climatic Parameters And Food Crop Yields: Implications On Food Security In Benue State, Nigeria., Emmanuel Adamgbe, Fanan Ujoh
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
Agricultural production in Nigeria like in other developing countries is highly vulnerable to variations in climatic parameters which may have inverse or direct effect on the performance of food crops. This paper examines the patterns and trends of the variations in the climatic parameters and the implications of such variations on efficient yield rates of some food crops in Benue State using data on climatic variables (rainfall, temperature, sunshine) and the yield of some crops per hectare for 25 years (1986-2010). Data on the climatic variables were collected from the Nigerian Meteorological Agency, AirForce Base, Makurdi while the data on …
Analysis - Toward A New American Military., Adam Lowther, Jan Kallberg
Analysis - Toward A New American Military., Adam Lowther, Jan Kallberg
Jan Kallberg
In releasing the United States Department of Defense’s (DoD) Sustaining U.S. Global Leadership: Priorities for 21st Century Defense and Defense Budget Priorities and Choices in January 2012, President Barack Obama and Secretary of Defense Leon Panetta offered a rationale for the administration’s reductions in defense spending. By stating that the shift in strategic direction is an effort to “put our fiscal house in order” and a response to the 2011 Budget Control Act, which requires DoD to reduce spending by $487 billion between fiscal years 2012 and 2021, the United States’ NATO partners in Europe were given considerable reason for …
An Exercise With The He’S Variation Iteration Method To A Fractional Bernoulli Equation Arising In A Transient Conduction With A Non-Linear Boundary Heat Flux, Jordan Hristov
Jordan Hristov
Surface temperature evolution of a body subjected to a nonlinear heat flux involving counteracting convection heating and radiation cooling has been solved by the variations iteration method (VIM) of He. The surface temperature equations comes as a combination of the time-fractional (half-time) subdiffusion model of the heat conduction and the boundary condition relating the temperature field gradient at the surface through the Riemann-Liouville fractional integral. The result of this equation is a Bernoulli-type ordinary fractional equation with a nonlinear term of 4th order. Two approaches in the identification of the general Lagrange multiplier and a consequent application of VIM have …
The Return Of Dr. Strangelove, Jan Kallberg, Adam Lowther
The Return Of Dr. Strangelove, Jan Kallberg, Adam Lowther
Jan Kallberg
With the prospect of sequestration looming, the United States may find itself increasingly rely ing on nuclear and cy ber deterrence as an affordable means of guaranteeing national sovereignty and preventing major conflict between the U.S. and potential adversaries in the Asia-Pacific. While earlier defense planning and acquisition were based on economic conditions that no longer ex ist, Congress’s options to balance the budget by cutting defense spending are politically palatable because far fewer American are “defense v oters” relative to “social welfare voters,” according to a number of recent public opinion surveys. The simple fact is China’s rise has …
Common Criteria Meets Realpolitik Trust, Alliances, And Potential Betrayal, Jan Kallberg
Common Criteria Meets Realpolitik Trust, Alliances, And Potential Betrayal, Jan Kallberg
Jan Kallberg
Common Criteria for Information Technology Security Evaluation has the ambition to be a global standard for IT-security certification. The issued certifications are mutually recognized between the signatories of the Common Criteria Recognition Arrangement. The key element in any form of mutual relationships is trust. A question raised in this paper is how far trust can be maintained in Common Criteria when additional signatories enter with conflicting geopolitical interests to earlier signatories. Other issues raised are control over production, the lack of permanent organization in the Common Criteria, which leads to concerns of being able to oversee the actual compliance. As …
Integral-Balance Solution To The Stokes’ First Problem Of A Viscoelastic Generalized Second Grade Fluid, Jordan Hristov
Integral-Balance Solution To The Stokes’ First Problem Of A Viscoelastic Generalized Second Grade Fluid, Jordan Hristov
Jordan Hristov
Integral balance solution employing entire domain approximation and the penetration dept concept to the Stokes’ first problem of a viscoelastic generalized second grade fluid has been developed. The solution has been performed by a parabolic profile with an unspecified exponent allowing optimization through minimization of the norm over the domain of the penetration depth. The closed form solution explicitly defines two dimensionless similarity variables and , responsible for the viscous and the elastic responses of the fluid to the step jump at the boundary. The solution was developed with three forms of the governing equation through its two dimensional forms …
Thermal Impedance At The Interface Of Contacting Bodies: 1-D Example Solved By Semi-Derivatives, Jordan Hristov
Thermal Impedance At The Interface Of Contacting Bodies: 1-D Example Solved By Semi-Derivatives, Jordan Hristov
Jordan Hristov
Simple 1-D semi-infinite heat conduction problems enable to demonstrate the potential of the fractional calculus in determination of transient thermal impedances of two bodies with different initial temperatures contacting at the interface ( ) at . The approach is purely analytic and uses only semi-derivatives (half-time) and semi-integrals in the Riemann-Liouville sense. The example solved clearly reveals that the fractional calculus is more effective in calculation the thermal resistances than the entire domain solutions
Towards Cyber Operations The New Role Of Academic Cyber Security Research And Education, Jan Kallberg, Bhavani Thuraisingham
Towards Cyber Operations The New Role Of Academic Cyber Security Research And Education, Jan Kallberg, Bhavani Thuraisingham
Jan Kallberg
Abstract – The shift towards cyber operations represents a shift not only for the defense establishments worldwide but also cyber security research and education. Traditionally cyber security research and education has been founded on information assurance, expressed in underlying subfields such as forensics, network security, and penetration testing. Cyber security research and education is connected to the homeland security agencies and defense through funding, mutual interest in the outcome of the research, and the potential job market for graduates. The future of cyber security is both defensive information assurance measures and active defense driven information operations that jointly and coordinately …
Emp And Geomagnetic Storm Protection Of Critical Infrastructure, George H. Baker Iii
Emp And Geomagnetic Storm Protection Of Critical Infrastructure, George H. Baker Iii
George H Baker
EMP and solar storm wide geographic coverage and ubiquitous system effects beg the question of “Where to begin?” with protection efforts. Thus, in addressing these “wide area electromagnetic (EM) effects,” we must be clever in deciding where to invest limited resources. Based on simple risk analysis, the electric power and communication infrastructures emerge as the highest priority for EM protection. Programs focused on these highest risk infrastructures will go a long way in lessoning societal impact. Given the national scope of the effects, such programs must be coordinated at the national level but implemented at local level. Because wide-area EM …
Dynamics Of Land Use/Land Cover Changes And Its Implication On Food Security In Anyigba, North Central, Nigeria, Tokula E. Arome, Sunday P. Ejaro (Phd)
Dynamics Of Land Use/Land Cover Changes And Its Implication On Food Security In Anyigba, North Central, Nigeria, Tokula E. Arome, Sunday P. Ejaro (Phd)
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
This study assessed land use/land cover changes and its effect on Agricultural land in Anyigba. The objectives were to identify and delineate different land use / land cover categories, assess the rate of change that occurred and examine the impact of land use/land cover change on food security using satellite remote sensing data collected at three different years (1987 Land sat TM, 2001 Land Sat TM and 2011 Land Sat ETM). The study utilized GIS software such as Idrisi Andes academic and ArcGIS 9.3. The study area covers approximately 31.8km2, and four major land use/cover classes were utilized (built up, …
Designer Satellite Collisions From Covert Cyber War, Jan Kallberg
Designer Satellite Collisions From Covert Cyber War, Jan Kallberg
Jan Kallberg
Outer space has enjoyed two decades of fairly peaceful development since the Cold War, but once again it is becoming more competitive and contested, with increased militarization. Therefore, it is important the United States maintain its space superiority to ensure it has the capabilities required by modern warfare for successful operations. Today is different from earlier periods of space development,1 because there is not a blatantly overt arms race in space,2 but instead a covert challenge to US interests in maintaining superiority, resilience, and capability. A finite number of states consider themselves geopolitical actors; however, as long as the United …
Socio-Economic Effects Of Demolishing Squatter Settlements And Illegal Structures In Abuja Metropolis, Federal Capital Territory, Nigeria, Ishaku Iy Mallo Phd, Victor G. Obasanya
Socio-Economic Effects Of Demolishing Squatter Settlements And Illegal Structures In Abuja Metropolis, Federal Capital Territory, Nigeria, Ishaku Iy Mallo Phd, Victor G. Obasanya
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
Abuja the Federal Capital Territory and study area is located between latitudes 8o25’ and 9o25’ North of the Equator and longitudes 6o45’ and 7o45’ East of the Greenwich Meridian. The study was carried out in Abuja Phase 1, and it is aimed at highlighting various socioeconomic effects of demolition of illegal structures and informal or squatter settlements on the people within the study area. Data was collected through reconnaissance survey, personal interviews with respondents, and a well laid out questionnaire. The results indicate that the demolition exercise embarked upon by the authorities in the Federal Capital Territory was a response …
Rainfall Variability And Crop Zones Classification For The Federal Capital Territory, Nigeria, Shaibu M. Hassan Phd
Rainfall Variability And Crop Zones Classification For The Federal Capital Territory, Nigeria, Shaibu M. Hassan Phd
Confluence Journal Environmental Studies (CJES), Kogi State University, Nigeria
This study aims at analyzing agro-climatological parameters and establishing a link between some selected agro-climatological indices and sustainability of agricultural production in the Federal Capital Territory (FCT). Two sets of data, climatic and crop yield data were collected and subjected to various agro-climatological analyses. Agro-climatological analyses include the derivation of Onset, Cessation and Length of Rainy Season (LRS), Seasonality Index, Drought Index and Precipitation Periodicity Index. The statistical analyses include monthly and annual means, deviation from the mean, trend line. The result of moisture index in line with crops optimum moisture requirement was used to classify the Territory into agro-climatic …
Threats Escalate: Corporate Information Technology Governance Under Fire, Lawrence J. Trautman
Threats Escalate: Corporate Information Technology Governance Under Fire, Lawrence J. Trautman
Lawrence J. Trautman Sr.
In a previous publication The Board’s Responsibility for Information Technology Governance, (with Kara Altenbaumer-Price) we examined: The IT Governance Institute’s Executive Summary and Framework for Control Objectives for Information and Related Technology 4.1 (COBIT®); reviewed the Weill and Ross Corporate and Key Asset Governance Framework; and observed “that in a survey of audit executives and board members, 58 percent believed that their corporate employees had little to no understanding of how to assess risk.” We further described the new SEC rules on risk management; Congressional action on cyber security; legal basis for director’s duties and responsibilities relative to IT governance; …
Evaluating The Consequences Of An Inland Waterway Port Closure With A Dynamic Multiregional Interdependence Model, Cameron A. Mackenzie, Kash Barker, F. Hank Grant
Evaluating The Consequences Of An Inland Waterway Port Closure With A Dynamic Multiregional Interdependence Model, Cameron A. Mackenzie, Kash Barker, F. Hank Grant
Cameron A. MacKenzie
As intermodal hubs connecting barge, train, and truck transportation modes, inland ports play an important role in U.S. and global commerce. Like coastal ports, inland ports face the risk of malevolent attacks, man-made accidents, and natural disasters. However, most port impact studies focus on the consequences of one of these disruptive events suddenly closing a coastal port. This paper examines the economic impact of suddenly closing an inland port by combining a simulation and a multiregional input-output model. The simulation models how companies may react if an inland waterway port suddenly closes, and the multiregional dynamic inoperability input-output model quantifies …