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- regional land subsidence model 区域地面沉降模型
- Finally, three dimensional land subsidence model should be develope in which horizontal displacement and ground fissures are considered. 最后，建立三维沉降模型，考虑水平位移和地裂缝问题。
- Overexploiting underground water will cause land subsidence. 过分的开采地下水，会造成地面下陷。
- An excessive amount of groundwater is the major cause of land subsidence. 过量开采地下水是造成地面沉降的主要原因。
- The cause of formation and harm of the land subsidence are introduced, and the control measures are brought forward. 摘要介绍了地面沉降的成因和危害，提出防治措施。
- Based on collected data, the mechanism and solutions of land subsidence is discussed. 在多方收集资料的基础上，探讨了地面沉降的机理并对如何防治做了初步探讨。
- Further derivation leads to a linear relationship between land subsidence and aquifer drawdown. 陕西工程勘察研究院广东广州;
- Tourism developing is one of the main driving forces impacting regional land use change. 旅游发展与区域土地利用变化相互关联。
- In addition, the significance of the disaster causal critical water table to preventing land subsidence disaster and exploiting groundwater resource reasonably is also analyzed. 分析了地面沉降成灾临界水位对预防地面沉降灾害发生及合理开采地下水资源的重要意义。
- When other factors such as land subsidence and compaction, groundwater depletion, and natural climate variation are considered. 将其他因素考虑在内,如土地下陷压紧,地下水枯竭,气候的自然变化。
- A self-contained forecast model of mining subsidence is obtained,that is,the subsidence of surface is equal to direct model of mining plus additional concretion subsidence model plus addit. 通过研究获得了一个完备的开采沉陷预计模型,即地表沉陷=开采直接影响模型+附加固结沉陷模型+附加流动沉陷模型;获得了地表裂缝深度和宽度的估算公式。
- General planning of land use is a tactical one that is about developing, using, curing, reclamation and protection of regional land resource. 土地利用总体规划是指对区域范围内的土地资源开发、利用、整治、整理、复垦、保护等进行统筹安排的战略性规划。
- On the basis of the different deformation characteristics, some management countermeasures are put forward for controlling land subsidence. 针对各承压含水层不同的变形特点，提出了地下水资源管理与地面沉降防治对策。
- Some are building reservoirs; others are draining so much water from underground aquifers that several cities have reported serious land subsidence. 一些城市修水库，而另外一些城市就疯狂开采地下水资源，以至于好几个城市出现了地表下陷的险情。
- In accordance with the commonly accepted index of security evaluation on regional land ecology, a system of 22 indexes suitable for this region is established. 依据区域土地生态安全评价一般性指标体系,建立了适合该区的由22项指标组成的土地生态安全评价指标体系。
- To prevent land subsidence can do to limit the groundwater mining and water resources use, make use of measures such as the rationalisierung. 防止地面沉降可采取限制地下水的开采、水资源的适当利用、合理化使用等措施。
- Dealing with the regional land surface heat fluxes over heterogeneous landscape of desertification area near sea is very important and not an easy problem. 对临海沙漠地区非均匀地表区域地表能量通量和蒸发(蒸散)的研究,是一个十分重要但又是一个难点问题。
- Land subsidence behaves slowly developing properties by increasing the risk and frequency of flood and waterlogs disasters. 地面沉降也通过洪涝、潮汛等显性灾害的成灾风险与致灾频率的增加，而体现出缓变型灾害的本质。
- Land subsidence is one of the focuses of contradiction between resources and environment in cities in the plain area of eastern China. 摘要地面沉降是我国东部沿海平原地区城市化进程中，资源与环境如何由对立走向统一的焦点之一。
- In many Third World regions land reform remains a prerequisite for development. 在许多第三世界国家中土地改革仍然是经济发展的一个先决条件。
