Download New Theories and Predictions on Ozone Hole and Climate by Qing-Bin Lu PDF

By Qing-Bin Lu

This monograph studies the institution of recent theories of the ozone gap and worldwide weather swap, significant clinical difficulties of world predicament. It presents a complete review of the author's paintings together with major discoveries and pioneering contributions, equivalent to the invention of super powerful dissociative electron move reactions of chlorofluorocarbons (CFCs) adsorbed on ice surfaces and its implications for atmospheric ozone depletion; the concept of the cosmic-ray-driven electron-induced-reaction (CRE) thought for the ozone gap; the predictions of 11-year cyclic diversifications in polar ozone loss and stratospheric cooling; the invention of the approximately excellent linear correlation among CFCs and international floor temperature; the notion of the CFC thought for contemporary international warming; the invention of greenhouse-gas-specific weather sensitivity and the parameter-free calculation of worldwide floor temperature swap brought on by CFCs; the prediction of worldwide cooling; etc.

in contrast to traditional atmospheric and weather types, the author's theoretical types have been tested on strong saw info instead of machine simulations with a number of parameters. the recent theories have proven the easiest agreements with the saw information inside 10% uncertainties. This booklet highlights the medical understandings of the world-concerned difficulties from the original perspective of a physicist who seeks theories with nice simplicity and better predictive skill.

This publication is self-contained and unified in presentation. it can be used as a complicated e-book through graduate scholars or even bold undergraduates in physics, chemistry, environmental and weather sciences. it's also appropriate for non-expert readers and coverage makers who desire to have an outline of the sciences at the back of atmospheric ozone depletion and international weather change.

Readership: Graduate scholars in weather technological know-how, non-experts and coverage makers who desire to have an outline of the sciences in the back of ozone depletion and international weather swap.

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In 1901, Guglielmo Marconi performed an impressive experiment. He received a radio signal in St. John's, Newfoundland, that had been transmitted from Land's End, England, about 2900 km away. Because radio waves were thought to travel in straight lines, radio communication over large distances on Earth had been assumed to be impossible. Marconi's successful experiment suggested that Earth's atmosphere in some way substantially affects radiowave propagation. Marconi’s discovery stimulated intensive studies of the upper atmosphere.

First, the geomagnetic field deflects GCRs from their original propagation directions, giving rise to the observation that the GCR flux depends on geomagnetic location (latitude, longitude, and azimuth angle). Moving a charged particle in the geomagnetic field depends on the particle rigidity R=cp/ze, where c is the speed of light, e is the charge of an electron, p and z are the momentum and ionic charge number of the particle respectively. For particles with equal rigidities, they move in a similar way in a given magnetic field.

Any photon with sufficient energy can affect the chemical bonds of a molecule. Visible light or electromagnetic radiations at shorter wavelengths, such as UV light, x-rays and γ-rays, are usually involved in such reactions. The two most important photodissociation reactions in the troposphere are the formation of the hydroxyl radical (OH•) and ozone. 3) which generates an excited oxygen atom to react with a water molecule, resulting in the formation of hydroxyl radicals O(1D) + H2O ĺ 2 OH•. 4) The OH• radical plays a central role in atmospheric chemistry as it acts as a detergent via initiating the oxidation of hydrocarbons in the atmosphere.

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