1Ximin Yuan, Hu Changwei, peak identification method based on artificial neural network and its application in flood forecasting [C], Journal of Flood Control, 2002, No.2, 2002.9:9 15-92 1 2, Yuan Ximin, Liu Shukun. Artificial Neural Network (EI) 3. Yuan. Liu shukun Study on improving the accuracy of artificial neural network flood forecasting [J]. Journal of Natural Disasters, 2002,11(1): 57-61.4 Yuan Ximin, Li Hongyan. Application of artificial neural network and genetic algorithm in river flood forecasting [J]. Water conservancy development. 2.51-56+595 Yuan Ximin, Liu Shukun, Improving the accuracy of flood forecasting based on improved artificial neural network algorithm [C], Proceedings of the 29th Congress, theme C, Tsinghua University Publishing House, September 2006. Study on optimizing initial weights of neural network by genetic algorithm [J]. Journal of Jilin University. 2003,33(2):45-50.(EI) 7 Zhai Yifeng, Li Hongyan, Liu Hanbing. Application of artificial neural network and genetic algorithm in flood forecasting with heavy sediment [J]. Sediment Research, 2003.2: 7- 148 Yuan X, Li H, China, Application of artificial neural network and genetic algorithm in river flood forecasting [C], XXX Congress, August 2003, AUTH, THESSALONIKI, GREECE: 327. Study on intelligent prediction method of sediment concentration in Xiaolangdi-Huayuankou flood [J]. Sediment Research, 2004.4:20-24. 10 Li Hongyan, Yuan Ximin, Hou Guangming. Study on the method of improving the accuracy of flood peak forecast in intelligent forecast [J]. Journal of Natural Disasters. 13 (4):128-134.11Li Hongyan, Liu Xiaowei and Li Shiming. Study on intelligent flood forecasting method from Xiaolangdi to Huayuankou [J]. People's Yellow River, 2005,27 (1Bao Xinhua. Limited supervision and adjustment methods of learning rate [J]. Journal of Jilin University (Engineering Edition), 2007,37 (4): 846-850 (EI)13, Hao,. Study on parameters of empirical formula for gas optimization water quality prediction [J]. Water Resources and Hydropower Technology, 2007, 38. Huo Shiqing. Application of GAS parameter optimization method in non-flood season runoff forecast of the upper reaches of the Yellow River [J]. Hydrology, 2008,28 (2): 60-6315 Li Hongyan, Zhang Yonggen, Bao Xinhua. Application of genetic algorithm in unit hydrograph calculation. 2007 international conference on computing intelligence and security. Harbin, Leilongjiang, China, 2007.11:167-170 (ei)16, Zhao, Bao Xinhua. Monitoring and adjustment of water quality based on BP network with limited learning rate. 34 (3):123-12617 Li Hongyan, Su Xiaosi and Bian Jianmin. Teaching exploration of undergraduate graduation project [J]. Jilin Education, 2008, (32):8-9 18 Li Chenglin, Li Hongyan, China. Northeast Water Conservancy and Hydropower, 2008,26 (293): 5-619 Li Hongyan, Jison, Bao Xinhua. The application of genetic programming in identifying the water level and storage curve of the Star Whistle [C].2009 Asia-Pacific Conference on Power and Energy Engineering, Institute of Electrical and Electronics Engineers, March 2009: 9- 1 1 (EI) 20 Li Hongyan, Liu Xiaowei, Li Shiming. Application of GAS optimization empirical formula parameter method in sediment concentration process prediction of the lower Yellow River [J]. Sediment Research, 2009, (3):30-36 2 1 Li Hongyan, Jiangshan, Li Peng. 29,2009 (6): 20-23+27 22 Li Hongyan, Wang Yuxin, Duan Changchun. Impact of Atmospheric Circulation on Runoff in Nenjiang River Basin and Sensitivity Analysis [J]. Journal of Jilin University (Engineering Edition), 20 10/0,40 (3): 879-883 (EI) 23 Li Hongyan. Journal of Beijing Normal University, 20 10, 46 (3): 4141624 Li Hongyan, Zhao Juan, Wang Yuxin and Jison. Correlation Analysis between Runoff in Nenjiang River Basin and Main Atmospheric Circulation Indicators [J]. Hydrology, 20 10/0,30 (4). Yu Xin-Wang. Sensitivity analysis based on BP algorithm with multi-factor coupling and its application. The 6th International Conference on Natural Computing and the 7th International Conference on Fuzzy Systems and Knowledge Discovery. Yantai, 2010.8:1834-1837 (ei) Li Hongyan, Wang Yuxin, Jiangshan 26. Preliminary study on phase space parameter selection of hydrological sequence reconstruction. Minutes of the 8th China Water Forum, Harbin, 20 10.8: 187 27 Li Hongyan. Exploration of programming training in the teaching of hydrology and water resources engineering [J]. Jilin Education 201.2, (578): 1428 Li Hongyan, Zhao Juan, Wang Yuxin. Optimization of extended domain search genetic algorithm. 2011,41(3): 861-865. (ei) No.29, Yang Jinling, Li Hongyan, Li Xiubin, Wang Youcheng. Study on Long-term Runoff Forecasting Method in China Based on Water Cycle Principle [J]. Jilin Water Resources, 2065438+. Li Hongyan. The application of Monte Carlo method in the forecast of rainfall in flood season in Nenjiang River basin [J] South-to-North Water Diversion and Water Conservancy Science and Technology. 201,9(3):28-32.3 1 Li Hongyan, Wang Yuxin, Li Xiubin. Mechanism and forecast method of severe drought and flood disasters in Songhua River basin in China [J]. China Geographical Sciences. (SCI) (IF 0.656) 32 Geng Xinxin, Li Hongyan, Jiangshan, Wang Ao. Application of commensurability method in drought and flood disaster prediction in Nenjiang River Basin [J]. People of Wang Yuxin. Analysis on the Variation Characteristics of Precipitation in the Second Songhua River Basin in Recent 75a [J]. Anhui Agricultural Sciences, 2012,40 (4): 2257-2259,2263.34,, Liu Tiejuan, Ru. Runoff Simulation of Shitoukoumen Reservoir Basin Based on SWAT Model [J]. Anhui Agricultural Science. 40 (30):14892-14894,14921.No.35, Hongyanli, Wu Yanan, Li Xiubin. Analysis of mountain effect and the difference of rainstorm and flood between the north and south sources of Songhua River Basin [J]. Journal of Mountain Science. 2012,9 (3): 431-440 (sci) (if1.000) 36 Li Hongyan. Identification method of medium-and long-term runoff forecasting factors in Nenjiang River basin based on global sensitivity analysis [J]. Hydraulic process.2012,26 (18): 2827-2837 (SCI) (IF 2.488) 37,, Yao, Ru, Liu Tiejuan. Analysis of groundwater dynamic characteristics in Jiansanjiang Branch of Heilongjiang Province [J]. Water-saving irrigation. 1007-4929 (2013) 06-0014-04:14-17 38 Li Hongyan, Tianlin. Improvement of medium and long-term runoff forecast based on physical causes and its application in Nenjiang River basin. Journal of Hydrology, 2013,58 (7):141422 (sci) (if1.545438+0) 39,, Zheng Longqun. Application of recursive digital filtering in groundwater runoff segmentation in Nenjiang River Basin [J]. Journal of Beijing Normal University (Natural Science Edition). Xie Miao. Analysis of Runoff Characteristics and Causes in Nenjiang River Basin [J]. Journal of Mountain Science. 20 14， 1 1( 1):PP 1 10- 1 18(SCI)