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2010年汛期豫西山区共出现4次大范围的降雨和连续降雨过程,致使长江流域丹江干支流出现百年一遇的大洪水,丹江荆紫关水文站、淇合西平水文站、老鹳河米坪水文站、湍河急滩水文站分别出现建站以来最大洪水。谭头、东湾水文站出现建站以来第二大洪水。暴雨中心位于平顶山西部,南阳北部和三门峡、洛阳南部,致使丹江流域、伊洛河流域出现了百年一遇的大洪水,来势凶猛,涨率之大,属历史罕见。
During the flood season in 2010, a total of four large-scale rainfalls and continuous rainfall processes occurred in the mountainous areas of the west of Henan Province. As a result, the once-in-a-century major floods occurred in the dry and tributary areas of the Danjiang River in the Yangtze River basin. The Danzijing Jingziguan Hydrographic Station, Qihexiping Hydrographic Station, Meiping Hydrological Station, Turbulent River Station, respectively, the largest hydrological station since the establishment of the largest flood. Tan Tau, Tung Wan hydrological station since the establishment of the second largest flood. Rainstorm centers are located in western Pingdingshan, northern Nanyang and Sanmenxia, southern Luoyang, resulting in the Dan River basin, Yiluo River basin appeared a century-old floods, ferocious, the rate of rise is a rare history.