Download Surveillance of Environmental Pollution and Resources by by Arne Jensen (auth.), Terje Lund (eds.) PDF

By Arne Jensen (auth.), Terje Lund (eds.)

These lawsuits comprise lectures, learn papers and dealing crew reviews from the NATO complex research Institute on "Surveillance of environmental toxins and assets through electromagnetic waves", held at Spatind, Norway, April 9-19, 1978. distant sensing of our environment has constructed right into a very complicated multidisciplinary box. It contains a large diversity of other instrumental suggestions and analytical equipment, designed to supply information regarding an enormous variety of environmental parameters. however, the method of clear up particular difficulties and the methods of dealing with the accrued info are to a wide quantity a similar or related. This commonality is the foundation for the complex learn Institute. to supply the very best historical past, either tutoria11y and for a fruitful trade of study principles and effects, a few notable scientists have been invited to check a few significant fields. the cloth offered in those lawsuits is definitely now not entire within the feel that it covers all facets of the topic. the choice is intentionally a result of software committee and the editor. this system committee wish to exhibit their gratitude to Dr. Ti10 Kester, head of the NATO complicated learn Institute software, NATO medical Affairs department, for his help and encouragement in the course of the association of the Institute. Oslo, June 1978.

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Additional info for Surveillance of Environmental Pollution and Resources by Electromagnetic Waves: Proceedings of the NATO Advanced Study Institute held in Spåtind, Norway, 9–19 April, 1978

Sample text

These transitions generally occur in the far infrared region (A rot - 1000 ~m). A vibrational transition is normally accompanied by a change in rotation. If the rotational constant,B,is the same in both vibrational levels (which means no interaction between rotational and vibrational motion) we obtain the vibrational-rotational transition frequencies V = v { c + 2B(J+1) h 2B -n J J -+ J + J -+ J - 1 J=0,1 ••• J = 1, 2 ... (18) FUNDAMENTALS OF ATMOSPHERIC SPECTROSCOPY 45 J 4 > a: "z ~ w w 3 2 ~ ~ Q.

ENERGY LEVEL STRUCTURES As a back-ground for atmospheric spectroscopy it is necessary to consider the possible energy states of the atmospheric molecules and the radiation processes in which they take part. This is the subject of the present and the following section. More detailed information can be found in Refs. [1-2]. The possible energy levels, E, of a quantum-mechanical system are given by the Schrodinger equation: where H is the Hamiltonian (energy) operator and ~ are the eigenfunctions of the system.

The Morse potential function for a diatomic molecule. Vibrational energy levels are not equidistant for higher vibrational quantum numbers, v, due to anharmonicity of the potential. 41 FUNDAMENTALS OF ATMOSPHERIC SPECTROSCOPY gether, and the energy expression (6) must be augmented with higher-order terms. Rotational motion. Classically, the energy E of a system of two masses m1 and ~, separated by a distance r and rotating around a centre of mass is J2 E = (7) 2T where J is the angular momentum and T = ~r2 is the moment of inertia of the system of reduced mass ~.

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