[1]刘东,付强.基于小波消噪的三江平原低湿地月降水时间序列分析[J].水土保持研究,2008,15(02):164-167,172.
　LIU Dong,FU Qiang.Monthly Precipitation Time-series Analysis of Low-lying Wetland in Sanjiang Plain Based on Wavelet Denoising[J].Research of Soil and Water Conservation,2008,15(02):164-167,172.
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基于小波消噪的三江平原低湿地月降水时间序列分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 15 期数: 2008年02期 页码: 164-167,172 栏目: 出版日期: 2008-04-20
Title:
Monthly Precipitation Time-series Analysis of Low-lying Wetland in Sanjiang Plain Based on Wavelet Denoising
作者:
刘东, 付强
东北农业大学水利与建筑学院, 哈尔滨, 150030
Author(s):
LIU Dong, FU Qiang
College of Water Conservancy & Civil Engineering, Northeast Agricultural University, Harbin 150030, China
关键词:
三江平原; 井灌水稻; 逐月降水量; 小波消噪; 季节性时序模型
Keywords:
Sanjiang Plain; well irrigation paddy; monthly precipitation; wavelet denoising; seasonal time-series model
分类号:
P426.614
摘要:
近年来,由于水田面积迅速增加,导致三江平原低湿地井灌水稻区地下水位普遍下降,"吊泵"、局部超采现象时有发生,因此,三江平原地下水资源动态平衡急需恢复.为解决上述问题,以853农场为例,对实测逐月降水资料进行消噪、差分和标准化处理,建立了逐月降水量季节性时序预测模型,精度检验结果表明,模型有效性和可靠性较高.该模型揭示了区域逐月降水量的时间变化规律,为853农场乃至整个三江平原充分利用天然降水、合理制定水稻灌溉制度以及地下水资源的恢复和可持续利用提供了科学依据.
Abstract:
The rapid increase of paddy field area has led to widely descending of groundwater level in well irrigation paddy area of low-lying wetland in Sanjiang Plain in recent years.More and more"hanging pump"and partial overpumping have occurred in this area.Therefore,the groundwater resources dynamic balance needs to be recharged urgently in Sanjiang Plain.In order to solve above-mentioned problems,taking Farm 853 as example,the monthly precipitation seasonal time-series forecasting model was built up after the denoising,difference and standardization treatment towards the actual observation monthly precipitation data.The results of precision test showed this model had upper validity and reliability.The authors consider that the model built in this paper can reveal the time variation regularities of monthly precipitation in this area,and can provide scientific gist for fully utilizing natural precipitation,reasonably establishing irrigation system of paddy,groundwater resource recharge and sustainable utilization in Farm 853 so much as the entire Sanjiang Plain.

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备注/Memo

收稿日期:2007-6-6;改回日期:。
基金项目:国家自然科学基金项目(30400275)
作者简介:刘东(1972- ),男,副教授,博士,主要从事农业水土资源系统分析与优化利用研究.E-mail:liu72dong@126.com
通讯作者:付强(1973- ),男,教授,博士,博士生导师,主要从事农业水土资源系统分析与优化利用研究.
通讯作者:付强(1973- ),男,教授,博士,博士生导师,主要从事农业水土资源系统分析与优化利用研究.

更新日期/Last Update: 1900-01-01