Anthropogenic and natural exergy losses (exergy balance of the Earth’s surface and atmosphere)

Publication Type Journal Article
Year 2003
Journal Energy
Organization
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Primary Author Szargut, Jan T.
Volume 28
Issue 11
Pages 1047-1054
URL http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V2S-48SBVBS-2&_user=10&_coverDate=09%2F30%2F2003&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=eb7145ef4d3a34a2a142e75a99797276
DOI 10.1016/S0360-5442(03)00089-6
Abstract Natural exergy losses connected with the absorption of solar radiation by the Earth have been calculated. The exergy income caused by the radiation exchange between the Earth and the cosmic space has also been considered. The exergy losses occurring near the Earth’s surface have been distinguished because they represent the most accessible natural resources of exergy. The term ‘natural losses of utilizable exergy’ has been proposed. These losses have been compared with the anthropogenic ones caused by the activity of humankind. The positive impact of the natural exergy losses has been pointed out: they were a main cause of the formation of the terrestrial natural environment, of the non-renewable natural resources of fuels, and of the generation of stable dissipative structures in form of living beings.
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