The influence of climate change to soil water content in semiarid agricultural area of Xing’an League Inner Mongolia
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DOI:10.7606/j.issn.1000-7601.2009.01.25
Key Words: climate change  soil water content variance  semiarid agricultural area of Xing'an League
Author NameAffiliation
TANG Hongyan Xing’an League Meteorological BureauWulanhaoteInner Mongolia 137400China 
YAO Wen Xing’an League Meteorological BureauWulanhaoteInner Mongolia 137400China 
YIN Xiaofei Tuquan County Meteorological Bureau Xing’anLeagueInner Mongolia 137500China 
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Abstract:
      Meteorology data from 1961 to 2006 and soil water content from 1982 to 2006 of Tuquan County, an important agricultural area of Xing'an League, were analyzed with statistics and correlation analysis to find out the influence of climate change to soil water content in 46 a in major local agricultural area and the probable influence of future climate change to it.The results indicated that the temperature showed a rising line in 46 a, while precipitation had no obvious change but showed decadal variance and seasonal variance, and the seasonal soil water content showed a declining line in 25 a and declined rapidly in the recent years. Among the environmentally meteorological factors, temperature and precipitation had the most obvious influence on soil water content, and temperature affected mostly in spring while precipitation in summer and autumn.In the semiarid agricultural area of Xing'an League, it may get increasingly dryer in the future, and agricultural drought would be more serious, and agricultural water resources would be more limited.