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- The groundwater level appears marked spatiotemporal dynamic change rule after the transport. 结果显示,输水后地下水位表现出明显的时空动态变化规律。
- The groundwater level was an important reason for soil salinization its contribution was of 11.1%. 地下水水位过高是引起土壤盐渍化的重要原因,贡献率11.;1%25;
- In areas which are prone to salinization-alkalization and water-logging, measures shall be taken to control and lower the groundwater level. 在容易发生盐碱化和渍害的地区,应当采取措施,控制和降低地下水的水位。
- Relationship between the precipitation and the declining quantity of the groundwater is highly linear correlation and the correlation coefficient is 0.7798. When yearly precipitation increases 100 millimeters, the groundwater level will ascend 0.66 meter. 年降水量与年地下水位下降速率呈高度线性相关;相关系数r=0.;7798;年降水量每增加100mm则地下水位可回升0
- Some xerophytic arbor and bush restored obviously with the change of habitat. Correspondingly, the groundwater level, vegetation coverage, diversity of biology, the species richness and crown of Populus euphratica all changed. 相应地 ;下游植被的生态响应也很显著 ;沿河岸许多种草本植被又重新出现 ;而一些耐旱乔、灌木随着生境的改变 ;长势也出现明显好转 ;主要表现在植被盖度、植物多样性指数和丰富度指数的提高以及胡杨冠幅的加大 .
- The groundwater level of 63 of the 186 cities and regions subject to monitoring has increased. However, in general, the decline of groundwater prevails, with affected areas accounting for 62 percent. 全国186个主要地下水位监测城市和地区中,有63个城市和地区地下水位有所回升,但地下水位总的发展趋势仍以下降为主,下降区比例高达62%25。
- However, the groundwater level is not related to the growth rate and PPO activity of Haloxylon Bunge, dry air is the key factor of restricting growth of Haloxylon Bunge, super-xerophyte. 大气干旱是制约梭梭属植物生长的关键因子。
- The relationship between evapotranspiration in wheat field and the groundwater level in Beijing-Tianjin Corridor 京津走廊麦田蒸散及其与地下水位变化关系研究
- The groundwater level forecast and analysis in main canal of mid-route of S-N Water Transfer 南水北调中线总干渠地下水位预测分析
- the groundwater level 地下水位
- the groundwater level forecast 地下水动态预测
- As a result, 50 per cent of the groundwater in cities is polluted. 结果,城市50%25的地表水受到污染。
- The groundwater mostly is replenished by river courses. 地下水是由河流提供的。
- Laws of migration of the groundwater flow in the Anba ore block are defined. 借助计算机技术对矿区地下水等水头线进行了模拟,确定了区内地下水流的运移规律。
- Groundwater levels fall; rivers get drier and drier. 地下水位降低;河流变得越来越干涸。
- However, overexploitation of the groundwater resource has led to continuous deterioration in water quality and decline in water level. 随着对地下水的过量开采,地下水水质不断恶化,水位持续下降。
- Objective:To understand the characteristic of the groundwater in Jingmen. 目的:了解荆门市地下水水质特点。
- Dispose of that nulear waste properly or it will contaminate the groundwater. 必须妥善处理那些核废料,不然就会造成地下水污染。
- That time the result must cause the back-up groundwater level rising in Songbei district and immersion problem. 届时势必要引起松北区地下水水位的塑高,导致发生区内浸没问题。
- The change in the well loss value with time and with groundwater level drawdown is also discussed. 最后分析水跃值随时间和抽水井水位降深的变化规律。