Impact Space Exploration On Ma (Pontificiae Academiae

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Built upon a 1947 intelligence-sharing agreement between the USA, Canada, England, Australia and New Zealand, the ECHELON system uses immense ground-based listening stations (see picture below) to intercept and eavesdrop upon satellite-based communications. They then used accurate estimates of wind strength and direction derived from a satellite data-driven model to trace the pollutant back to the location of the source, and also to estimate how much sulfur dioxide was emitted from the smoke stack. "The unique advantage of satellite data is spatial coverage," said Bryan Duncan, an atmospheric scientist at Goddard. "This paper is the perfect demonstration of how new and improved satellite datasets, coupled with new and improved data analysis techniques, allow us to identify even smaller pollutant sources and to quantify these emissions over the globe."

Pages: 364

Publisher: Routledge (January 1, 1987)

ISBN: 2881242324

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