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基于有限元法计算三江平原地下水开发潜力研究

The Time Series Analysis of Runoff of the Channel from Yilan to Jamusi in the Main Branch of the Songhua River in Recent Forty Years
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摘要 随着三江平原灌区的水稻种植面积的扩大,迫切需要计算出平原的地下水开发潜力,为灌区管理及地下水管理提供依据。通过分析三江平原灌区典型区域"853"农场的水文地质条件,采用Galerkin法推导出该地区的承压水的有限元方程组,采用了改进平方根法求解该方程组。经计算初步分析,发现现状条件下"853"农场地下水没有超采,且还有很大开发潜力。水位降深为10 m时计算的开发潜力为8 328.09万m3/a。水位降深为15 m,可得其开发潜力为9 456.09万m3/a,从挠力河激发的补给量为256.09万m3/a。 With the expansion of rice planting area in the irrigation area of Sanjiang Plains, it is necessary to calculate the groundwater exploitation potential of the plains to lay a foundation for the management of irrigation area and groundwater. According to the analysis of the hydro-geological condition of Farm "853", which is typical of Sanjiang Plains'irrigation, the finite element equations of confined water are derived by using Galerkin method and then they are solved by the improved square root method. Through the preliminary analysis, the groundwater in Farm "853" is not only within exploitation, but also has a great potential for the development under current conditions. The development potential of groundwater level is 8 328.09× 10 4 m3/a in calculation at a depth of 10 meters. When it comes to 15 meters, the level is 9 456.09×10 4 m3/a. In the control of water level drawdown of 15 m, the recharge can be excited to 256. 09×10 4 m3/a from the Naoli River.
作者 宫兴龙 付强 李衡 郭佳 GONG Xing-long FU Qiang LI Heng GUO Jia(School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin 150030, China)
出处 《中国农村水利水电》 北大核心 2016年第11期106-109,共4页 China Rural Water and Hydropower
基金 中国博士后科学基金资助项目(2013M541332) 东北农业大学科学研究基金资助项目(2012RCB57) 黑龙江省博士后资助项目(LBH-Z12041) 黑龙江省地下水开发潜力研究(201318)
关键词 地下水开发潜力 有限元法 “853”农场 GALERKIN法 groundwater exploitation potential the finite element method Farm 853 Galerkin method
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