Temporal changes of air temperature and precipitation of Helingeer during Recent 52 Years
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Abstract:
The paper analyzes the variation characteristics of climate factors air temperature and precipitation in Helingeer, Inner Mongolia based on the monitoring data of air temperature and precipitation from 1959-2010, anomaly, trend, correlation, mutation and Hurst index analyses of which are conducted in the paper. Results show that the trend of temperature (0.36 ?C /（10 a）) keeps or rises with time, while that of precipitation (-8.4 mm/（10a）) is likely to change; winter temperature and summer precipitation are the most important influencing factors of the annual average atmospheric temperature and annual precipitation, respectively; correlations among air temperature and precipitation are not obvious; air temperature had mutations during 1986?1988, while precipitation didn’t. Analysis results of characteristics of climate factors have great effects on the sustainable utilization of water resources, the development of ecological environment and others.
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