Based on climatic data of 8 stations in the Qilian Mt. region, methods of regression analysis and moving average were used to study the climatic changing trend of the study area under the background of global warming. Results showed that the temperature increased after the mid-1980s and climatic warming has accelerated since the 1990s due to the rise of temperature in autumn and winter. The precipitation experienced a changing trend, that is lower (the 1960s)--higher (the 1980s)--lower (the 1990s)--higher (...
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