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科技聚焦 | 南京水利科学研究院揭秘国家水网中的科研“利器”

  • 2026-05-09 15:37:48
科技聚焦 | 南京水利科学研究院揭秘国家水网中的科研“利器”

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2026年3月22-28日是第三十九届“中国水周",今年“中国水周"主题为“国家水网 世纪画卷",南京水利科学研究院正运用多项科研“利器”,为“智绘”这幅宏伟画卷持续贡献着坚实的科技力量!

防洪减灾:智御水患,夯实“安全屏障”

于“国家水网”而言,如果说调水供水是“理顺经络”,那么防洪减灾就是“构筑屏障”。面对复杂多变的水旱灾害形势,防洪减灾已不再单纯依靠坚固的堤坝,更是多维度的系统协作:从入海口“微缩长江”里的河势演变推演,到万座大坝除险加固的政策智囊支撑,再到蓄滞洪区“数字孪生”下的精准调度。这种物理工程与科研智慧的深度融合,正为大江大河织就一张更具韧性的安全网。

1
复杂动力条件下长江口水沙模拟与治理

面临挑战:长江口长期处于上游洪水与外海潮汐的剧烈交锋中,近年来,上游来沙锐减,台风、寒潮及洪水等极端天气频发,河口河床面临冲刷风险,防洪堤防是否稳固面临威胁。如何在博弈中稳住长江的“入海门户”,让河势保持稳定通畅?

科研破局:南京水利科学研究院的技术专家,通过“原型观测+物理模型+数学模型”的立体联动,破解了极端动力下的河口演变密码。

科技加持:

极限观测:他们聚焦台风期野外观测技术难题,在风暴登陆前布设装备,成功获取了近底水沙观测数据,捕捉台风里的“第一手资料”,填补了台风暴潮作用下水沙资料的空白。

沙盘演兵:他们按水平1:2000、垂直1:150的比例,精准复刻了从安徽大通到长江口外海的庞大水系。通过智慧控潮系统,这个神奇的“微缩长江”,科研模拟出未来的河势演变情况。

长江口物理模型

数字赋能:他们开发了长江口波-流-风暴潮耦合波浪和泥沙数学模型,实现波浪-潮流模型的实时耦合,大大提高了波浪越堤后的波高,同时可以描述低水位波浪发生破碎时的波高变化,提高预报精度。

河口演变数学模型

科技成效:

精准固沙:通过反复推演,找到了“疏浚土吹泥上滩”的最佳路径,利用科技让沙粒都留到该留的地方,为长江口筑起一道稳如泰山的“固沙屏障”。

安全防御:建立了台风浪作用下的挟沙能力公式,构建了长江口海堤安全风险等级数据库,不仅能评估大洪水发生时的冲刷风险,更能在台风来袭前为堤防安全提供精准预警。

2
病险水库除险加固与政策支撑

面临挑战:我国拥有约9.5万座水库,是世界上水库最多的国家。这些大坝在守护安澜的同时,也面临着“健康”威胁。这么多“功臣”该怎么查病、怎么治病?

科研破局:南京水利科学研究院不仅出技术,更出“战略”。技术专家们深入一线调查,为国家出台相关法规和规划提供了硬核支撑。

科技实力:

管理“智慧眼”:他们不仅在实验室研究大坝结构,更在行业管理的高层设计中提供“咨询报告”,接受了央视采访,向社会解读如何给水库“体检”。

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重播 分享

▲院专家接受央视东方时空采访,解读病险水库如何查、怎么治

制度护航:通过百余份咨询报告,他们为全国水库建立了长效运行的“健康档案”,确保每一座大坝都能在关键时刻“站得住、挡得稳”。

3
蓄滞洪区精细化模拟与优化调度

面临挑战:洪水来袭,分洪区“用还是不用”?用早了,淹没损失巨大;用晚了,防洪大堤可能崩塌。特别是在人口稠密的长江下游,如何在“防洪效益”与“淹没损失”之间找到那个“黄金平衡点”?

科研破局:南京水利科学研究院的技术专家为分蓄洪区量身定制了一套精细的“虚拟数字孪生”系统。通过水流演进预演,回答决策者的终极三问:水怎么流?淹到哪里?能降水位多少?

科技实力:

多要素模拟:系统不仅复刻了地形,更将GDP、人口、耕地、工矿企业等相关数据织入底图,通过一维河道与二维分洪区的耦合模拟,让每一方洪水的影响都变得“清晰可算”。

▲洪水精准模拟

实战决策:系统集成“多目标模糊优选”算法,能快速给出最优分洪时机与闸门开启方案,为指挥官提供科学的“实战处方”,实现既保大局稳定、又最大限度减少百姓损失。以2020年7月的滁河大洪水调度推演为例,该系统通过精细化调度,能有效降低干流洪峰水位14.9%,直接减少经济损失达398万元。                  

来源:党委办公室、科研管理处、水文水资源研究所、河流与海岸研究所、大坝安全与管理研究所、南京水利科学研究院

▶ 关于城市防洪排涝国际论坛(IFUFC)

“城市防洪排涝国际论坛(IFUFC)致力于为全球城市防洪排涝问题提供全新解决方案和思路,传播行业先进技术、理念及成功经验。论坛由国家住房和城乡建设部城市建设司、国家防汛抗旱总指挥部办公室、中国工程院土木、水利与建筑工程学部、中国土木工程学会、中国水利学会等单位共同发起,每两年举办一届。首届论坛举办于2013年,累计参会院士50余位累计发表大会专家报告400余场累计参与国家超过20个累计参会总人次达3200人,累计行业重点企事业单位参会近1500家

往届回顾

祝贺中国工程院工程科技学术研讨会——第二届城市与重大基础设施韧性研讨会 & 第七届城市防洪排涝国际论坛在上海成功召开!
低碳韧性 “智”水有方 | 第六届城市防洪排涝国际论坛在武汉成功召开!
科学防洪排涝,提升城市品质——2021(第五届)城市防洪排涝国际论坛圆满落幕!
后台回复“加群”即可加入IFUFC城市防洪排涝交流群

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  1. CONNECT:[ UseTime:0.000534s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000797s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000314s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000240s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000495s ]
  6. SELECT * FROM `set` [ RunTime:0.000199s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000562s ]
  8. SELECT * FROM `article` WHERE `id` = 546106 LIMIT 1 [ RunTime:0.000536s ]
  9. UPDATE `article` SET `lasttime` = 1778966213 WHERE `id` = 546106 [ RunTime:0.005770s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000687s ]
  11. SELECT * FROM `article` WHERE `id` < 546106 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000569s ]
  12. SELECT * FROM `article` WHERE `id` > 546106 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003153s ]
  13. SELECT * FROM `article` WHERE `id` < 546106 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000909s ]
  14. SELECT * FROM `article` WHERE `id` < 546106 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000901s ]
  15. SELECT * FROM `article` WHERE `id` < 546106 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.017960s ]
0.115480s