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简介:TVS: Readers will discover why ordinary water is the most precious substance on earth; how global climate change might affect the frequency and severity of droughts; how droughts can occur anywhere; and how to use and conserve water wisely. Also includes information on subtropical deserts, plar deserts, precipitation, evaporation, sublimation, El Nino, La Nina, jet streams and storm tracks, monsoons, the shel, drought and soil erosion.