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The Climate Change and Its Effect on the Water Environment in the Hulun Lake Wetland

ZHAO Hui-ying1, LI Cheng-cai1,ZHAO Heng-he2,TIAN Hui-chun2, SONG Qing-wu1,KOU Zhi-qing3(1.The Hulun Buir Evaluation Center of the Biology and Agricultural Meteorology, Hailar Inner Mongolia 021008,China;2.The Hainan Meteorological Bureau of Qinghai Province,Hainan Qinghai 813000,China;3.Soil and Water Conservation Work Station of Inner Mongolia Water Resource Department,Hohhot Inner Mongolia 010010,China)  
Records from three meteorological stations were utilized to analyze the climate change and its effect on water environment from 1961 to 2005 in the Hulun Buir wetland.At the same time,using the hydrological data,Hulun Lake water environment was analyzed by regression and contrast methods.Results from simulations have spatially consistency well with climate change tendency;the terrain is a key factor to the climate change.Owing to climate warming and desiccating,shortage of water resources,depravation of water environment and desertification of land around the Hulun Lake take place.These tendencies definitely accelerate water area reducing,water level descending and water environment deteriorating.
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