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国家防总:未来十天强降雨可能导致多地汛情齐发

2017-07-10 22:06:38   

原标题:国家防总:未来十天强降雨可能导致多地汛情齐发

7月10日,国家防总副总指挥、水利部部长陈雷主持召开会商会,研判7月中下旬天气形势发展变化,分析长江、淮河、海河、松辽等流域雨情汛情趋势,进一步部署当前防洪抗洪和台风防御等工作。

会商分析,预计未来十天(10日至19日),华南、西南、江南等部分地区累计面降雨量有40至90毫米,其中华南北部东部、西南东部、江南西南部部分地区有100至150毫米;黄淮、华北、东北累计面降雨量有10至40毫米,其中东北中部东部等地有50至100毫米。受其影响,湖南湘江、沅江、广西桂江、柳江,广东北江,贵州赤水河,四川泯沱江、嘉陵江,吉林第二松花江,辽宁辽河等河流将出现涨水过程,部分中小河流可能发生超警以上洪水。

会商指出,目前即将进入“七下八上”的防汛最关键时期,南方大部分江河水位持续偏高,全国水库蓄水总量偏多近2成,随着主雨带西伸北抬,雨区将覆盖长江、淮河、海河、松辽等多个流域,可能导致多地汛情齐发。南方地区已遭遇多轮强降雨过程,土壤含水量饱和,防洪工程水毁严重,人力物力消耗较大,洪涝致灾风险进一步加大。北方地区江河洪水产流快,来势猛,防洪体系相对薄弱,小雨大灾的问题较为突出。

会商强调,要坚持把人民群众生命安全放在首位,毫不松懈地抓好防汛抗洪防台风各项工作。一要切实加强长江退水期防守工作。目前,长江流域汛情总体趋缓,但长江部分江段及洞庭湖、鄱阳湖仍处于超警状态,下游江苏段受天文大潮叠加影响水位较高。要继续加强堤防防守,做到巡查值守力度不减、险情抢护工作不松、主要防守力量不撤,严防崩岸、跌窝等重大险情,确保长江干堤等重要堤防安全。要精细调度三峡水库及其上中游水库群,利用降雨间歇期科学有序实施腾库,预留防洪库容迎战后续洪水。

二要密切关注淮河流域汛情发展。受近期降雨影响,淮河可能出现接近警戒水位洪水。要准确分析研判淮河上中游、里下河地区气象水文形势,加强淮南山区支流、淮北洪汝河、沙颍河等雨情汛情监测预警,科学调度淮河流域骨干工程,落实堤防防守责任,统筹抓好山洪灾害防御、水库安全度汛和城市防洪排涝等工作。

三要严密防范东北地区暴雨洪水。11-14日,东北中部东部将有一次明显降水过程。目前,东北三江治理正在进行,尚未经历大洪水考验,要加强督察检查抽查,制定重大汛情防洪预案,提前预置抢险队伍物资,抓好流域在建工程安全度汛工作,做好蓄滞洪区运用准备,及时转移危险区群众,最大程度减轻灾害损失。

四要高度重视台风防御。7月中下旬台风活动明显加强,很可能出现双台风交互作用、移动轨迹复杂多变形势。要强化联合研判和多部门会商,加密观测频次,提早做好准备,突出抓好渔船回港避风、海上养殖人员上岸转移避险和沿海旅游景区安全度汛、低洼易涝地区避险等工作,严防强风暴雨高潮可能引发的次生灾害。

五要着力抓好西部地区山洪灾害防御。入汛以来,云南、贵州、西藏、新疆等西部地区降水偏多,山洪泥石流灾害多发重发。要进一步强化县乡村组防御体系,细化基层应急预案,实化人员转移方案,充分发挥群测群防体系作用,全力以赴保障人民群众生命安全。

六要及时修复水毁水利工程。要指导督促有关地区尽快制定水毁修复计划,抢抓有利时机开展修复工作,及早恢复工程防洪能力。要针对防汛抗洪中暴露出的薄弱环节,进一步完善小型病险水库除险加固、中小河流治理、应急排涝能力提升、洞庭湖湖区综合整治等水利建设布局,着力提高流域和区域防洪减灾能力。(央视记者陈博)

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