Water level observation

The overexploitation of underground water would lead to continuous drop of groundwater level,change of water quality and dry-up in dynamic water level observation wells.

长期过量开采地下水,使地下水位持续下降、水质发生变化,动水位观测井断流;地面沉降造成井管上窜,观测管路系统被损坏等,这些现象对地震地下流体观测地震前兆异常的正确判断带来很大困难。

Key wards:Ji 5th well;separation of oil and gas;degasification and filtering

介绍了高水头,小流量的一种动水位观测方法,重点介绍了影响观测的油污、悬浮物及溢出气体的分离、排除技术,从而获得动水位的稳定观测。

The problem of response lag of water-level observation well of which engineers and technicians concerned deeply, has not been solved properly.

水位观测井的响应滞后问题是一个尚未得到妥善解决和深为工程技术人员关注的问题，对其进行深入的研究，有益于解决岩土工程勘察、设计和施工中的渗流问题。

Zero drift in digital water level measurement of Tayuan well

塔院井数字化水位观测中的零漂问题

Theoretical Analysis on Response Lag of Water-level Observation Well;

水位观测井响应滞后问题的理论分析

RESEARCH ON THE EARTHQUAKE PRECURSOR MECHANISM BASED ON THE UNDERGROUND FLUID OBSERVATION

地下流体水位观测地震前兆机理研究

Comparison of Water-level Observation Performance Among Three Tidal Methods and Statistical Analysis

三种验潮方法水位观测性能比较与统计分析

Piezometric Tube Level Observation and Seepage Analysis of Permanent Shiplocks Project in the Three Gorges;

三峡永久船闸高边坡测压管水位观测与渗流分析

Design and Installation Technique of Water Observation Well in Geotechnical Investigations for Hydropower Projects in Sudan

苏丹大坝勘察中地下水水位观测孔的设计及安装工艺

Analysis on the Observation Data of Groundwater Level of Secondary Pumping Station on South Main Line of YRDP (Yellow River Diversion Project)

引黄工程南干线二级泵站地下水位观测资料分析

Analysis of The Groundwater Level Fluctuation Responding To Non-tectonic Stress

从水位观测数据中排除非构造因素影响的状态空间分析方法

Application of Time Series Analysis Method in Groundwater Level Automation Monitoring

地下水观测井水位自动化监测合理配置研究

measurement of ground settlement and horizontaldisplacement

地面沉降和水平位移观测

STUDY ON THE EFFECT OF THE WELL DEPTH FOR WATER LEVEL OBSERVATION

观测井深度与井水位地震监测效能的关系

There is no difficulty in measuring water levels in coastal waters.

观测沿岸水域中的水位是没有什么困难的。

Horizontal Displacement Observation Upon a Reservoir Dam and Its Accuracy Analysis

岳城水库大坝水平位移观测和精度分析

Discussion on Indicatrix of Displacement Observation Accuracy of Both the Anchorage Block and the Buttress in High-Head Diversion Power Plant

高水头水电站镇支墩位移观测精度指标的研讨

The Effects of Water Level Change of Erhai Lake on Absolute Gravity Observation at Xiguan Station

洱海水位变化对下关点绝对重力观测影响

A High Accuracy Observation Method for Horizontal Displacement of Dams

高精度观测大坝水平位移的一种重要方法

EFFECT OF LEVEL CHANGE OF HUANGBAI RIVER ON GROUND TILT OBSERVATIONS AT YICHANG STATION

黄柏河水位变化对宜昌台地倾斜观测的影响

Analysis of Correlation between Air Pressure and Water Levels of Fluid Observation Wells in Shanxi

山西流体观测井水位与气压相关性分析