| 王锐,刘文兆,赵小鹏.长武塬区地下水位动态特征分析[J].干旱地区农业研究,2010,28(3):48~52 |
| 长武塬区地下水位动态特征分析 |
| Dynamic characteristics of groundwater level on Changwu tableland |
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| DOI：10.7606/j.issn.1000-7601.2010.03.09 |
| 中文关键词: 地下水位 动态特征 补给 长武塬区 |
| 英文关键词:groundwater level dynamic characteristic recharge Changwu tableland |
| 基金项目:中国科学院知识创新工程重要方向项目(KZCX2-YW-424-1)；国家“十一五”科技支撑计划项目(2006BAD09B09)；河南理工大学博士基金(B2009-62) |
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| 中文摘要: |
| 依据长武塬区19752005年间地下水位4个不同长度时间序列监测资料,对塬区不同地段地下水位多年动态变化进行系统研究。距离塬心较近位置监测井551#和552#的地下水季节变幅分别达0.26 m和0.29 m,受降水补给明显;多年动态监测均呈先稳定后下降的趋势,受年降水量先增后减和地下水开采量逐渐增加的影响;距离塬心较远的监测井554#和555#水位季节变化较小,年际变化也各异,受降水垂直补给影响较小,与地下水埋藏较深、塬面破碎有关。针对塬区地下水变化特点,为保护有限地下水,应该加强地下水资源统一管理,限制地下水的开采量,“以补定采”;同时,合理规划,增加地下水补给量,从而实现塬区地下水有效持续利用。 |
| 英文摘要: |
| According to the monitored data of groundwater level in four different time series during 1975~2006, well 551#, 552#, 554# and 555# on Changwu tableland, the annual and monthly changes of groundwater level were systematically analyzed. As to well 551# and 552# , which are near to the middle of the tableland, the monthly changes of groundwater level reach 0.26m and 0.29m respectively and are significantly affected by rainfall recharge. And the an-nual changes of groundwater level show“stable-downward” trend , which is affected by the same trend of annual precipi-tation and gradual increasing groundwater exploitation. The monthly change of groundwater levels of well 554# and 555#，which are far from the middle of the tableland, is small and the annual change is different, both of which are less
affected by the direct recharge of precipitation and are more affected by the deeper groundwater level and smaller physiog-nomy. Therefore, some suggestions on wisely using and protection of groundwater were put forward so as to supply refer-ential materials for the efficiency and sustainable use of groundwater on Changwu tableland, such as strengthening uniform management and restraining the exploitation, by constricting the number of motor-pumped wells and adopting the rule that the exploitation amount should comply with that of recharge, and scientific planning of infiltration depressions to increase the recharge of precipitation. |
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