New Concepts In Ionospheric Modification
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New Concepts In Ionospheric Modification
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Author : P. M. Banks
language : en
Publisher:
Release Date : 1987
New Concepts In Ionospheric Modification written by P. M. Banks and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
This report considers the ionospheric modification that can be produced by energetic charged particle and photon beams, which are emitted from a platform or vehicle (spacecraft or rockets) located in the ionosphere. The various beams considered include (1) charged particle beams composed of low, moderate, and high energy electrons, (2) beams of ions and plasma, and (3) photon beams of soft X rays and extreme ultraviolet radiation. Briefly considered, in addition to the beam topics, is the ionospheric modification produced by the release of neutral gas of high molecular weight from a rapidly moving vehicle such as the Space Shuttle Orbiter. When a ranking is made in terms of the new information that may be obtained, the scale of the modification that may be produced, and the availability of beam sources, ionospheric modification by means of relativistic electron beams appears particularly promising. However, all the methods have their own distinctive features which could make their use desirable under particular circumstances. The modification produced by means of beams of soft X rays, for example, is not strongly dependent on the beam's direction relative to the earth's magnetic field, and thus modification can be produced in regions inaccessible to a charged particle beam from the same vehicle. Keywords: Ionospheric modification; Particle beams; Electron beams; Photon beams; Plasma beams. (jhd).
New Concepts In Ionospheric Modifications
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Author : Peter M. Banks
language : en
Publisher:
Release Date : 1987
New Concepts In Ionospheric Modifications written by Peter M. Banks and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Ionosphere categories.
An Ionospheric Model For The Arctic
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Author : George J. Gassmann
language : en
Publisher:
Release Date : 1970
An Ionospheric Model For The Arctic written by George J. Gassmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Ionosphere categories.
A first order approximation model of the Arctic ionosphere is described, based on published observations and concepts. The model allows for modifications and additions whenever new information becomes available, and will eventually represent a true picture available in real time or even as forecast. The location of the phenomena is specified in corrected geomagnetic latitude and local time. Various input parameters are included whenever some of their influences are known, such as UT, seasons, sunspot number, magnetic variations. The Arctic ionospheric features are specified as 'quasi-instant' deviations from routine predictions whereby the devitations represent probabilities of occurrence during periods that may range from 20 min to 3 hr. The following ionospheric features are more or less covered: auroral E (or night-E), auroral Es (or Esr), HF absorption, Arctic F. Necessary improvements to the model are indicated, including the inclusion of storm-time of individual substorms and the requirement that routine observations be maintained in the midnight sector of the auroral oval. (Author).
Atmospheric Modification
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Author :
language : en
Publisher:
Release Date : 1982
Atmospheric Modification written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with categories.
Solitons And Ionospheric Modification
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Author : J. P. Sheerin
language : en
Publisher:
Release Date : 1982
Solitons And Ionospheric Modification written by J. P. Sheerin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Ionosphere categories.
Ionospheric Modification
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Author : International Union of Radio Science
language : en
Publisher:
Release Date :
Ionospheric Modification written by International Union of Radio Science and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Active Experiments In Space Past Present And Future
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Author : Gian Luca Delzanno
language : en
Publisher: Frontiers Media SA
Release Date : 2020-07-10
Active Experiments In Space Past Present And Future written by Gian Luca Delzanno and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-10 with categories.
Overview Of Ionospheric Modification From Space Platforms
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Author : Peter M. Banks
language : en
Publisher:
Release Date : 1990
Overview Of Ionospheric Modification From Space Platforms written by Peter M. Banks and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.
HIS PAPER DISCUSSES SPACE-BORNE, NON-ELECTROMAGNETIC METHODS OF MODIFYING THE E- and F-regions of the terrestrial ionosphere. Of these, the most well-understood is the direct injection of chemical vapors into the ambient medium. The first injection of barium clouds into the upper atmosphere over two decades ago has led to evolution of understanding of complex electrodynamic processes acting in the ionosphere and spawned extensive studies of small-scale plasma instabilities. Modification to the ionosphere can last for up to hours from such injections. other vapors have also been released, including water vapor, SF 6 and more noxious gases, in successful efforts to alter the chemistry of the ionosphere. In another direction, injections of high amu gases from orbiting spacecraft have been made in attempts to understand the non-classical ionization processes involved in the critical ionization velocity (CIV) concept. The results seem to indicate that for CIV to act in space, large quantities of injected gas are required to achieve a minimum interaction volume density. However, in these and other experiments, it has been found that the potential CIV effects are supplemented by a variety of associated classical processes also acting for these same gases. For example, plasma disturbances are associated with neutral gas releases when charge exchange to ambient ions occurs. This leads to the formation of electrostatically polarized plasma clouds around the neutral gas-emitting space platform and these create large disturbances in the ionosphere.
Soviet Ionospheric Modification Research
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Author :
language : en
Publisher:
Release Date : 1988
Soviet Ionospheric Modification Research written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Ionosphere categories.
Ionospheric Modification And Its Potential To Enhance Or Degrade The Performance Of Military Systems
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Author : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Symposium
language : en
Publisher:
Release Date : 1990
Ionospheric Modification And Its Potential To Enhance Or Degrade The Performance Of Military Systems written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development. Electromagnetic Wave Propagation Panel. Symposium and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Aeronautics categories.