Analysis of Groundwater Dynamic Characteristics in Major Basin Areas of Shaanxi Province
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摘要: 通过国家地下水监测工程开展的地下水监测和省级地下水监测，获得了丰富的水位、水温、水质监测数据。笔者对监测数据分析研究，总结了陕西省主要盆地区地下水位、水温、典型离子动态特征。近年来，全省主要盆地区域水位总体基本稳定略有上升，局部区域水位有升有降。关中盆地潜水水位基本稳定略有上升，承压水水位总体上升明显，西安市建成区等部分区域承压水水位上升幅度较大，陕南主要盆地区潜水水位基本稳定略有下降。主要盆地区潜水水位变化受降雨量影响较大，承压水位变化受地下水开采影响较大，主要盆地区地下水温总体基本稳定有细微上升。关中、汉中盆地潜水地下水离子浓度总体基本稳定。关中盆地承压水典型离子含量基本稳定，部分离子含量近年逐渐降低。Abstract: Based on the national groundwater monitoring project groundwater monitoring and provincial groundwater monitoring, abundant monitoring data of water level, water temperature and water quality have been obtained.The monitoring data are analyzed and studied, and the dynamic characteristics of groundwater level, water temperature and typical ions in major basin areas of Shaanxi Province are summarized.In recent years, the water level in the main basins of the province has been basically stable and slightly increased, and the water level in some areas has risen and fallen. The diving water level in the Guanzhong Basin has basically increased steadily and slightly, and the confined water level has generally increased significantly. The confined water level in some areas such as the built-up area of Xi'an has increased significantly, and the diving water level in the main basins of southern Shaanxi has basically stabilized and decreased slightly.The change of diving water level in the main basin area is greatly affected by rainfall, and the change of pressure water level is greatly affected by groundwater exploitation. The groundwater temperature in the main basin area is basically stable and slightly increased. The ion concentration of submersible groundwater in Guanzhong and Hanzhong basins is basically stable. The typical ion content of confined water in Guanzhong Basin is basically stable, and some ion content has gradually decreased in recent years.
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Key words:
- groundwater monitoring /
- groundwater level /
- groundwater temperature
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