Abstract
Publisher Summary The important roles of chemical and physical processes in the troposphere in the planetary life-support system have been brought into sharp focus not only by research and discoveries but also by a disturbing, recurring sequence of problem identification and response—for example, the impacts of smog on health; of acid on lakes, forests, and agriculture; of increasing carbon dioxide and other trace gases on climate; and of chemicals moving upward through the troposphere to the stratosphere. The troposphere is an integral component of the planetary life-support system, which receives, transports, transforms, and deposits the substances that either contribute to the efficiency of the system or deleteriously perturb it. Perturbations can be expected to increase in frequency and variety during the next several decades, and their economic impact will grow. Because the atmosphere is a moving and restless continuum enveloping the planet, the issues are international. Because the physical, chemical, and biological processes of the atmosphere are inextricably intertwined, the efforts to understand them must be interdisciplinary.
Published Version
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