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有效应对强降雨 实现人员零伤亡——黑龙江迎战局地“最强”降雨纪实

2017-08-16 15:51:00   新华网

新华社哈尔滨8月16日电 题:有效应对强降雨 实现人员零伤亡——黑龙江迎战局地“最强”降雨纪实

新华社记者 管建涛

面对8月上旬局地遭遇有记录以来“最强”降雨,黑龙江省坚持以人为本,精准测报、科学调峰、全力抢险,党政主要领导靠前指挥,暴雨未造成人员伤亡。

  “一周降雨就超过了全年”

黑龙江西部是传统旱区,有“十年九旱”之称。今年也不例外,地处西部的安达市8月以前还有旱情,但进入8月一场持续数日的特大暴雨让这里“旱涝急转”。

“一周降雨就超过了全年。”安达市市长敖丙千说,该市任民镇常年降雨量400毫米左右,但8月1日到7日累计雨量就接近500毫米,超过1998年和2013年,是当地有记录以来最大降雨量。

此次强降雨影响范围广、量极高、强度大。来自黑龙江省防汛抗旱指挥部的信息显示:超过100毫米的大暴雨和250毫米的特大暴雨面积21万平方公里,占全省总面积的45%。受强降雨影响,肇兰新河、拉林河等20多条中小河流发生洪水,多座水库超汛限水位。

位于任民镇总库容6000多万立方米的东湖水库就是其中之一。这座1975年建成的水库,面对超标准洪水,一度超汛限水位71厘米。持续高水位导致坝脚局部出现险情。

东湖水库下游20公里左右是青肯泡蓄滞洪区,设计蓄洪量1.6亿多立方米。除了承接东湖水库来水外,还有来自东北方向的幸福排干洪水注入。两方来水汇入青肯泡蓄滞洪区,然后通过泄洪闸排入93公里长的肇兰新河,最终入松花江。

黑龙江省水利厅大庆地区防洪工程管理处负责青肯泡蓄滞洪区运行。管理处处长闫成璞介绍,上游超标准洪水造成幸福排干末端多处漫溢,洪水直接涌向肇兰新河左堤,漫过堤防进入肇兰新河。肇兰新河水位上涨,右堤未治理的河段多处出现险情,一旦决口,直接威胁下游人口超过百万的肇东市。

  “没有水库和蓄滞洪区拦蓄洪水我们都得遭殃”

洪水威胁着沿岸人民群众的生命和财产安全,也在考验着抗洪抢险的能力。“3日晚上,吕维峰副省长和我们一同就坐在这个地方,一直盯着安达、肇东、肇源、肇州地区的雨情、水情,直到第二天1时多。”在黑龙江省防汛抗旱指挥部四楼办公室里,孙飚的一席话让人感受到当时紧张气氛。

孙飚是黑龙江省防汛抗旱指挥部专职副总指挥。他盯着的系统是一套雨、水情实时监测系统,他说:“哪个点下大雨了,哪座水库超汛限水位运行,哪条河流超警戒水位,这个系统会第一时间自动报警。”

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