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Author : United States. Office of the Chief of Naval Operations
Publisher : Unknown
Page : 56 pages
File Size : 49,5 Mb
Release : 1964
Category : Condensation trails
ISBN : STANFORD:36105211318683
Author : Gruber, Simon
Publisher : KIT Scientific Publishing
Page : 284 pages
File Size : 41,9 Mb
Release : 2019-03-22
Category : Cirrus clouds
ISBN : 9783731508960
Author : Alexander Dean Naiman
Publisher : Stanford University
Page : 201 pages
File Size : 40,7 Mb
Release : 2011
Category : Electronic
ISBN : STANFORD:sw419zv9908
Aircraft emissions lead to contrails and change cloud coverage in the upper troposphere/lower stratosphere, but their quantitative impact on climate is highly uncertain. As environmental policy turns toward regulating anthropogenic climate change components, it will be necessary to improve quantification of the climate impacts of aviation. Toward this end, we present two models of aircraft emissions. The first model is a large eddy simulation (LES) with three-dimensional, eddy-resolving flow physics and ice deposition/sublimation microphysics. Modeled ice properties, cloud optical depths, and contrail width growth rates are consistent with observational field studies. A series of sensitivity cases shows the effect of various parameters over twenty minutes of simulation time. The analysis focuses on properties such as contrail optical depth and cross-sectional width that are relevant to climate impacts. Vertical wind shear is found to have the strongest effect on these properties through the kinematic spreading of the contrail. In cases with no shear, optical depth is most sensitive to aircraft type and ambient humidity. One model parameter, the effective emission index of ice crystals, is also found to affect optical depth. A subset of the LES cases is run for two hours of simulation time to approach the scale of dynamical time steps modeled by global climate simulations. These cases use more realistic ice microphysics, including sedimentation, and forced ambient turbulence, both of which are processes that control contrail development at late times. The second model is a simple, low cost parameterization of aircraft plume dynamics, intended to be used as a subgrid plume model (SPM) within large scale atmospheric simulations. The SPM provides basic plume cross-section time advancement that has been used as a dilution model within a coupled global atmosphere-ocean climate simulation to study the effects of aviation on air quality and climate. Comparison to the twenty-minute and two-hour LES results demonstrates that the SPM captures important plume development characteristics under the effect of vertical shear and atmospheric turbulence.
Author : Surabhi Naik
Publisher : Booksclinic Publishing
Page : 230 pages
File Size : 44,7 Mb
Release : 2021-10-16
Category : Self-Help
ISBN : 9789391389260
Author : United States Air Force Academy
Publisher : Unknown
Page : 128 pages
File Size : 43,8 Mb
Release : 1998
Category : Aeronautics, Military
ISBN : UIUC:30112105113838
Author : Roger Thompson
Publisher : iUniverse
Page : 149 pages
File Size : 41,5 Mb
Release : 2004-11
Category : Transportation
ISBN : 9780595336913
A collection of aviation stories spanning the 37-year career of pilot Roger Thompson.
Author : Lewis McKinley Vaughn
Publisher : Unknown
Page : 140 pages
File Size : 50,7 Mb
Release : 2002
Category : Electronic
ISBN : CORNELL:31924091040018
Author : H.E Schwarz
Publisher : Springer Science & Business Media
Page : 304 pages
File Size : 55,7 Mb
Release : 2013-03-09
Category : Science
ISBN : 9789401701259
The effects of light pollution on flora, fauna -including humans and their widely varying night-time activities- are often subtle and need extensive field studies to be quantified in a sensible manner. Some of the highlights were: The presentation of the 1st world atlas of artificial night sky brightness (Cinzano et al.); the article by the International Darksky Association on their world-wide efforts to curb light pollution (Alvarez del Castillo et al.); the laws controlling light pollution implemented in Spain (Diaz et al.) and Chile (Sanhueza et al.), an overview of the work on radio frequency protection of sites (Cohen et al.) and the excellent introduction to the topic from the Chilean point of view (Daud). Related topics in the book are light pollution education, aircraft contrails, space advertising (with an added document provided by the relevant UN commission), and an experiment on involving the population of an entire country in measuring sky brightness, by using the internet and the media. The text is aimed at professionals from a wide range of disciplines related to lighting and its effects on the night-time environment in the broadest sense of the word. Lay persons interested in this emerging multi-disciplinary field can also find much of interest in this book.
Author : Ben Daley
Publisher : Routledge
Page : 256 pages
File Size : 46,9 Mb
Release : 2016-04-01
Category : Technology & Engineering
ISBN : 9781317183365
Air Transport and the Environment provides an overview of the main issues relating to aviation environmental impacts. It explains the challenge facing policymakers in terms of sustainable development, focusing on the importance of balancing the industry's economic, social and environmental costs and benefits, both for people living now and for future generations. Individual chapters review the current scientific understanding of the main aviation environmental impacts: climate change, local air pollution and aircraft noise. Various responses to those issues are also considered, including a range of policy options based on regulatory, market-based and voluntary approaches. Key concepts such as environmental capacity, radiative forcing and carbon offsetting are explained. In addition, the book emphasises the main implications of aviation environmental issues for policymakers and for the management of the air transport industry. Debates about the environmental impacts of flying often generate strongly polarised reactions, yet this book adopts a constructive approach to the subject and attempts to present the environmental issues in a clear, straightforward manner. It aims to provide a policy-relevant synthesis of a wide range of perspectives rather than advocating one particular viewpoint. Yet the central purpose of this book is to bring the sustainable development challenge facing the air transport industry to the fore, and so to inform effective policy responses. Air transport plays a critical role in supporting economies and societies that are increasingly interconnected by globalisation; this book presents the view that the vital economic and social benefits of the air transport industry should not be lost - and in fact could be distributed far more widely and equitably - but that the environmental impacts of air transport nevertheless require urgent and effective management. Air Transport and the Environment has been written primarily for professionals in the air transport industry, policymakers and regulators. It is also intended for use by academic researchers, students and others who are interested in the complex relationship between air transport and the environment.
Author : Trey Brandt
Publisher : Acacia Publishing
Page : 165 pages
File Size : 41,9 Mb
Release : 2003
Category : Aircraft accidents
ISBN : 9780967118765
This book details the actual accounts of 20 military aircraft crashes that occurred in the remote deserts and rugged highlands of Arizona. Each story looks into the events leading up to and after the crash, and describes what is left at the site today. These facts are corroborated by newly-declassified, old government documents, personal visits to the crash sites, and interviews with surviving crewman and families.
Author : Stefan Gossling,Paul Upham
Publisher : Routledge
Page : 410 pages
File Size : 42,7 Mb
Release : 2012-05-04
Category : Business & Economics
ISBN : 9781136569661
'This is a timely, challenging and fascinating book on a topic of central importance to the success or otherwise of our climate change policies. It sets down a clear marker for what has to be done in the aviation sector.' Professor John Whitelegg, Stockholm Environment Institute, University of York, UK 'Climate Change and Aviation presents a clear picture of the transport sector's greatest challenge: how to reconcile aviation's immense popularity with its considerable environmental damage and its dependence on liquid hydrocarbon energy sources. This book avoids wishful thinking and takes the much harder, but more productive, path of considering difficult solutions that clash with short-term and short-sighted expectations about the unlimited growth potential for flying.' Professor Anthony Perl, Urban Studies Program, Simon Fraser University, Canada 'A convincing and timely collection that brings together an impressive range of expertise. The book integrates various perspectives into a powerful core argument - we must do something, and quickly, to tackle the impact of aviation on our environment. The authors recognise the political difficulties associated with promoting change but present constructive options for policy makers. Required reading, especially for transport ministers set on promoting the growth of air travel.' Professor Jon Shaw, Director of the Centre for Sustainable Transport, University of Plymouth, UK Trends such as the massive growth in availability of air travel and air freight are among those which have led to aviation becoming one of the fastest growing emitters of greenhouse gases. These trends have also caused a shift in expectations of how we do business, where we go on holiday, and what food and goods we can buy. For these reasons aviation is (and is set to stay) high up on global political, organizational and media agendas. This textbook is the first to attempt a comprehensive review of the topic, bringing together an international team of leading scientists. Starting with the science of the environmental issues, it moves on to cover drivers and trends of growth, socio-economics and politics, as well as mitigation options, the result being a broad yet detailed examination of the field. This is essential reading for undergraduate and postgraduate courses in transport, tourism, the environment, geography and beyond, while also being a valuable resource for professionals and policymakers seeking a clear understanding of this complex yet urgently pressing issue.
Author : Patrick J. O'Brien
Publisher : Unknown
Page : 444 pages
File Size : 49,5 Mb
Release : 1989
Category : Marine meteorology
ISBN : MINN:30000002942187
Author : Anonim
Publisher : Unknown
Page : 470 pages
File Size : 47,7 Mb
Release : 1970
Category : Meteorology
ISBN : PSU:000060058096
Author : Elizabeth Hoppe
Publisher : Routledge
Page : 327 pages
File Size : 40,9 Mb
Release : 2016-05-13
Category : Technology & Engineering
ISBN : 9781317141518
Applied ethics has been gaining wide attention in a variety of curriculums, and there is growing awareness of the need for ethical training in general. Well-publicized ethical problems such as the Challenger disaster, the Ford Pinto case and the collapse of corporations such as Enron have highlighted the need to rethink the role of ethics in the workplace. The concept of applied ethics originated in medicine with a groundbreaking book published in 1979. Business ethics books began to appear in the 1980s, with engineering ethics following in the 1990s. This volume now opens up a new area of applied ethics, comprehensively addressing the ethical issues confronting the civil aviation industry. Aviation is unique in two major ways: firstly it has a long history of government regulations, and secondly its primary focus is the safety of its passengers and crew. For decades commercial aviation was viewed in the same manner as public utilities, and thus it was highly regulated by the government. Since the Deregulation Act of 1978, aviation has been viewed as any other business while other experts continue to believe that the sudden switch to deregulation has caused problems, especially since many airlines were unprepared for the change. Ethical Issues in Aviation focuses on current concerns and trends, to reflect the changes that have occurred in this deregulated era. The book provides the reader with an overview of the major themes in civil aviation ethics. It begins with theoretical frameworks, followed by sections on the business side of aviation, employee responsibility, diversity in aviation, ground issues regarding airports, air traffic control and security, as well as health and the environment. The contributors to the volume include both academics doing research in the field as well as professionals who provide accounts of the ethical situations that arise in the workplace.
Author : Navale Pandharinath
Publisher : BS Publications
Page : 944 pages
File Size : 52,7 Mb
Release : 2014-08-01
Category : Transportation
ISBN : 9789386211361
This book is primarily meant for professional trainee pilots of all categories as prescribed by DGCA (Director General of Civil Aviation) and particularly for Commercial Pilots Licence (CPL) and Airlines Transport Pilots Licence. The book covers Atmosphere – Weather elements – Atmospheric Density – Water in the atmosphere – Atmospheric processes – Winds and Atmospheric circulation – Global patterns of pressure, temperature, wind – Clouds and Precipitation – Air masses and fronts – Aviation weather reports – Broadcast of weather reports.