当前位置:首页>南京>科技聚焦 | 南京水科院先进实用技术:耦合深度学习与物理过程模型的流域洪水精准模拟与预测关键技术

科技聚焦 | 南京水科院先进实用技术:耦合深度学习与物理过程模型的流域洪水精准模拟与预测关键技术

  • 2026-04-16 04:03:44
科技聚焦 | 南京水科院先进实用技术:耦合深度学习与物理过程模型的流域洪水精准模拟与预测关键技术

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近日,一项名为“耦合深度学习与物理过程模型的流域洪水精准模拟与预测关键技术”被正式列入《2025年度水利先进实用技术重点推广指导目录》,并获颁水利先进实用技术推广证书。这项由南京水利科学研究院研发的关键技术,标志着我国在洪水预报领域取得重要突破,将为流域防洪调度提供更为可靠的科技支撑。

数据驱动模型与物理模型深度融合

传统物理模型虽机理清晰,但在复杂下垫面与极端情景下模拟能力受限;而纯数据驱动的AI模型虽善于挖掘规律,却存在可解释性弱、外推性不足的挑战。南京水利科学研究院研发耦合深度学习与物理过程模型的流域洪水精准模拟与预测关键技术对流域防洪调度有着重要的意义。

该技术聚焦流域洪水精准模拟与预测的核心需求,创新采用数据驱动的改进Transformer深度学习模型(RRT模型)与物理机制的分布式水文模型(采用清华大学杨大文教授研发的GBHM模型)耦合技术,集成物理过程模型的流域特性刻画优势与深度学习的数据关联挖掘能力,实现流域洪水的精确模拟;整合CMIP6气象产品偏差校正技术与CA-Markov土地利用预测技术,构建未来气候与土地利用变化情景下流域洪水预测方法体系,为流域洪水防御与调控提供可靠的技术支撑。

性能验证卓越,核心指标表现优异

经主要模拟性能指标的测试,该模型展现了良好的综合性能。其模拟精度高,核心评价指标纳什效率系数大于0.8,在偏差控制方面表现优异,洪量的相对误差可控制在10%以内,并且在极端洪水捕捉中,洪峰流量相对误差<20%,峰现时间误差<洪水历时的30%,2%极值流量绝对百分比误差小于20%。此外,模型表现出良好的稳健性,具备良好的抗干扰性和广泛适用性。

赋能数据完备流域,支撑高精度防洪决策

该技术具备明确的适用场景,旨在优先服务于监测与预报能力已初步构建的地区。特别适用于气象监测预报、河道水情监测等数据较为完备的地区,尤其适用于极端水文模拟精度要求较高的情况这项技术能够充分发挥其融合模型的高性能优势,为科学决策提供关键支撑。

持有单位

水利部 交通运输部 国家能源局南京水利科学研究院

完成人

王思如、顾一成、李传龙、姚轶、刘米雪、孙晓敏、胡庆芳、孙金华、宋亚倩

                  来源: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!
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  1. CONNECT:[ UseTime:0.000633s ] mysql:host=127.0.0.1;port=3306;dbname=b460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000770s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000383s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000349s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000627s ]
  6. SELECT * FROM `set` [ RunTime:0.000314s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000598s ]
  8. SELECT * FROM `article` WHERE `id` = 531993 LIMIT 1 [ RunTime:0.001134s ]
  9. UPDATE `article` SET `lasttime` = 1776590778 WHERE `id` = 531993 [ RunTime:0.000671s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000265s ]
  11. SELECT * FROM `article` WHERE `id` < 531993 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000667s ]
  12. SELECT * FROM `article` WHERE `id` > 531993 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.004391s ]
  13. SELECT * FROM `article` WHERE `id` < 531993 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.004503s ]
  14. SELECT * FROM `article` WHERE `id` < 531993 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002437s ]
  15. SELECT * FROM `article` WHERE `id` < 531993 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003519s ]
0.140330s