欢迎您！东篱公司
退出
-
申报数据库
-
立项数据库
-
成果数据库
-
项目获奖数据库
中文摘要：
为了揭示石家庄地区地下水流场演变的驱动因素，基于近50年来地下水位、气候变化及开采量等相关数据，应用小波变换及模糊矩阵等研究方法，对地下水流场发生异变的主要动因及其特征进行了研究。结果表明：（1）地下水降落漏斗中心水位埋深及面积随Pe值（降水量与开采量比值）减小而增大，趋势基本符合幂函数关系，枯水年份Pe单位下降值的影响程度约是丰水年份的1.8倍和1.9倍；（2）地下水降落漏斗中心水位埋深及面积随着Re值（地下水补给量与开采量比值）增大以幂函数特征呈减小趋势；（3）上游山区水利工程的修建使下游平原区地表水体渗漏补给量减少49%，井灌回归补给量减少17%。利用该方法取得的研究成果与实际情况基本符合，可为区域地下水开发利用提供指导。
英文摘要：
Based on data about underground water level, climatic variation and the amount of groundwater mining, and through the methods of wavelet transform （WT） and fuzzy matrix, factors inducing the abnor-mal variation of groundwater flow field in Shijiazhuang as well as the characteristics are studied, to reveal the factors driving the evolution of groundwater flow field in Shijiazhuang. The results indicate that：（1） the central level and area of groundwater depression cone decreases with the increase of Pe value （ratio of precipitation to groundwater mining）,and the trend fits well to the power function,with a declining degree of Pe value in dry years 1.8 times or 1.9 times of that in wet years;（2） the central level and area of groundwater depression cone increases with Re value （ratio of replenishment to groundwater mining）, which is in a trend of decrease and showed the characteristics of power function;（3） due to the construction of water conservancy projects in the upstream, the recharged quantity through infiltration of surface water de-creased 49%, and the recharged quantity through well irrigation decreased 17%. With the above method successfully applied in this research as the results basically coincide with the actual cases, this study can be served as guidance to regional groundwater development and utilization.
同期刊论文项目
同项目期刊论文
期刊信息
位置：