Pumps from the Dump - download pdf or read online

By Arvind Gupta

ISBN-10: 9174800639

ISBN-13: 9789174800630

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It operated until 1981; in 1985, SAGE II was launched on board the Earth Radiation Budget Satellite. DISCOVERING AND MEASURING THE ANTARCTIC OZONE ‘HOLE’ Recognition and proof of early findings Researchers ignore evidence of Antarctic ozone hole As early as October 1981, Dobson-instrument measurements from Japanese, British and other Antarctic research stations recorded a drastic 20 per cent reduction in ozone levels above Antarctica. None of the Antarctic scientists 14 Protecting the Ozone Layer published their results or consulted other stations to confirm their observations.

At the time, the projected fleets of supersonic transport aircraft (SSTs) were estimated at 500 in the US, and 350 in other countries of the world. ’ With these studies, according to American scientist Richard Stolarski, ‘the new paradigm was set: ozone production is balanced by ozone loss due to catalytic reactions of the nitrogen and hydrogen oxides, and human activities could influence this balance and affect ozone concentrations’. In March 1971, the US House of Representatives voted not to continue funding development of the American SST.

Rowland and Molina called for a ban on aerosol CFCs when in September 1974 they told the American Chemical Society: ‘if nothing was done in the next decade to prevent further release of chlorofluorocarbons, the vast reservoir of the gases that would have built up in the meantime would provide enough chlorine atoms to insure continuing destruction of the ozone layer for much of the twenty-first century. 26 The science of ozone depletion: From theory to certainty 11 US assessment predicts ozone depletion from CFCs, supersonic aircraft In January 1975, the US National Academy of Sciences and Department of Transportation issued a report on ‘Climate Impact Assessment Program (CIAP): Environmental Impacts of Stratospheric Flight: Biological and Climatic Effects of Aircraft Emissions in the Stratosphere’, which included assessments of atmospheric science, environmental effects, and technology and economics.

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Pumps from the Dump by Arvind Gupta

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