groundwater table 中文意思是什麼

groundwater table 解釋
地下水面
  • groundwater : 地泉水
  • table : n 1 桌子;飯桌,餐臺。2 手術臺;工作臺;游戲臺;賭臺;寫字臺。3 (飯桌上的)食物,酒菜,伙食;一...
  1. The test obsvervation include air temperature, ground temperature, foundation moisture, freeze depth, freeze capicity, freeze residual capicity, groundwater table and shape transform of canal lining, etc. throught systemic observation, analysis of impact about each factor on fundation freeze capicity, evaluate effect on anti freeze of various canal lining, comparison on technology and ecnomic of different method, a kind of main canal lining format is been recommended to engineering practice with siutable to ningxia local feature, fufilling the need of main canal safey i application, economic and practical, that is using polystyrene plate laying under concrete slate and grit taking replace of filling layer and optimizing design

    試驗觀測內容包括氣溫、地溫、基土含水量、凍深、凍脹量、凍脹剩餘量、地下水位和砌體外觀變化等項目。通過系統的觀測,分析各因素對基土凍脹量的影響,評價各種襯砌型式的防凍西安理工大學工程碩士專業學位論文脹效果,並進行技術和經濟綜合分析比較,推薦出了適合我區特點、滿足乾渠安全運行、經濟實用、防凍脹效果好的乾渠防滲襯砌型式,即混凝土板下鋪設聚苯乙烯板和砂礫石換填層結構型式,加以優化設計,用於工程實踐。
  2. The value of pore water pressure dissipation can be divided into two parts. one part is produced by vacuum degree and the other part by groundwater table lowering

    加固區內地基中的孔隙水壓力的最大消散值可分為兩個組成部分:一為真空度的直接傳遞導致的孔壓下降值;二為抽真空引起水位線下降進而引起的孔壓消散值。
  3. The shallow groundwater table and the decline rate decrease from the piedmont plain to the coastal plain, while the deep groundwater level and decline rate increase from the piedmont plain to the coastal plain

    在區域分佈上,自山前平原至濱海平原,淺層地下水位和下降幅度逐漸減小,而深層地下水位和下降幅度逐漸增大。
  4. The lining of a tunnel in the area with high groundwater table does not bear high external water pressure in - normal, the surrounding rock reinforced by intrusion concrete does it. in the case, the groundwater through reinforced rock accumulated in the space between lining and rock must be drained in time

    一般鐵路隧道通過高水位富水區時,不用襯砌直接承受較高的外水壓力,要實現這個設計目標必須做好襯背的排水工作,使通過加固圈滲透過來的水量及時排走,及時削減累積的水量。
  5. On the basis of the work in xie et al. 5, xie et et al. 7 and liang et al. 8 established a dynamic repre - sentation of the groundwater table in a land surface model through reducing it to a moving boundary problem and solving it by the mass - dumped finite element method

    基於以上工作,謝正輝等7 , liang等8通過將地下水位動態表示問題歸歸結為運動邊界問題,用有限元集中質量法直接求解,建立了地下水位的動態表示模型
  6. This model reveals the characteristics of the system of the groundwater, reflect the pattern of change and transportation of groundwater, and it can give scientific support to the prediction of groundwater table, evaluation of resources and give scientific support to control the subsidence in yancheng

    建立的三維模型反映了研究區地下水系統的本質特徵,再現了地下水的水位動態、運移規律,能為地下水水位預報、資源評價和地面沉降的控制提供科學依據。
  7. Subsurface runoff is obviously closely related with soil water movement in the unsaturated soil zone and dynamic change of the groundwater table. there - fore, it is necessary to develop the subsurface runoff model with a physical base associated with recharge on the aquifer and total storage in the reservoir. also a soil model with a dynamic representation of the groundwater table makes it possible and reasonable to represent a more logical subsurface runoff parame - terization

    地下徑流顯然與非飽和土壤層中的水分運動以及地下水位的動態變化密切相關,因而有必要發展考慮土壤含水量與潛水面science in china ser . d earth sciences 376中國科學d輯地球科學第36卷水分通量以及地下水位動態變化的土壤水模型相適應且具有物理意義的地下徑流模型;同時地下水位動態表示的土壤水模型也為發展更為合理的地下徑流模型創造了很好的條件
  8. The pore water pressure dissipation in the silt is produced mainly by lowering of groundwater table and pore water pressure dissipation in the pvds ( or sand drains ) is produced mainly by vacuum degree

    淤泥地基中孔隙水壓力消散主要是由於地下水位線的下降引起的;而砂井或塑排中的孔壓消散大部分由真空度直接引起。
  9. In order to derive this equation, one has to assume no spatial variability in k, f and n, to neglect the effect of capillary rise above the groundwater table, and to invoke the dupuit - forcheimer approximation, which states that the hydraulic head is independent of depth

    圖1潛水面的示意圖為了利用dupuit - forcheimer假設推導出以上的方程,必須假設k , f以及n t在整個潛水面上的空間不變性,同時忽略潛水面上的水分的毛細運動
  10. The cause of vacuum degree formation under groundwater table is discussed in the paper. the testing results show that vacuum degree above the groundwater table is produced directly by pumping air, and that vacuum degree below groundwater table is produced mainly by dewatering and by escaping of sealed air from the end of flexible pipe. based on the bernoulli equation, the limit lowering of groundwater table is analyzed, which is about 5 ~ 7m. the effective influence depth of vacuum preloading has relationship with pvds depth and can be more than 10m

    對地下水位線以下的真空度成因進行了分析,結果表明,地下水位線以下測到的真空度是由於測試軟管中水位下降或部分封存氣體從軟管末端逃逸引起的,與地下水位線以上的真空度由抽氣直接形成在成因上存在不同;根據伯努俐方程,對地下水位下降的極限深度進行了分析,得出真空預壓中地下水位的極限下降深度為5 7m ;對有效影響深度的分析結果表明,真空預壓的有效影響深度與塑料排水板的打設深度具備一定關系,有效影響深度可以超過10m 。
  11. Using numerical solution for inverse problem in partial differential equation, a method for initializing groundwater table on base one pumping test and recharge estimation on two pumping tests were presented. then a numerical model for groundwater table forecast was developed

    本文利用對偏微分方程逆問題的數值求解,給出了由一組抽水井實測水位計算地下水初始水位以及由二組抽水井實測水位值估算總補給量的方法。
  12. In order to prevent the deterioration of ecological environment, countermeasures from the aspect of water resources exploitation and utilization were proposed as following : to reduce groundwater table for preventing and eliminating soil salinization ; to establish a powerful drainage basin management organization ; to establish water - saving society ; to carry on the additional investigation and water on environmental hydrogeology related to endemic disease

    並從水資源開發利用角度提出了防治生態環境劣變的基本對策:降低地下水位,預防和消除土壤次生鹽漬化;建立有實權的流域水資源管理機構;開源節流,以節流為重,建立節水型社會;開展全疆補充性的地方病環境水文地質調查研究工作。
  13. 7 topography and land use are main factors affecting the change of groundwater table, then influencing the redistribution of soil moisture and salinity. soil secondary salinization can be considered as the main factors that influence the stability of new oasis in alluvial plain

    7 、地形和土地利用是影響阜康荒漠綠洲地下水位變化的關鍵因素,而地下水位的連續變化又影響了土壤水鹽在空間上的分佈。
  14. Article 26 : in mining operations or the construction of underground projects, when water drainage results in lowering of the groundwater table, groundwater depletion, ground subsidence or cave - ins, and causes losses to the livelihood and production of other units or individuals, the mining unit or the construction unit shall take remedial measures and compensate for the losses

    第二十六條開采礦藏或者興建地下工程,因疏干排水導致地下水水位下降、枯竭或者地面塌陷,對其他單位或者個人的生活和生產造成損失的,采礦單位或者建設單位應當採取補救措施,賠償損失。
  15. With the increase of population, the development of the urban size, industry and agriculture, the groundwater demand increases sharply. and a series of environmental geologic problems such as regional groundwater table fall, water quality worsening, subsidence and so on, have emerged in the course of exploiting groundwater due to uncontrolled extraction and poor management

    隨著人口的不斷增長,城市及工農業的迅速發展,人類對地下水的需求量急劇增加,然而由於對地下水資源缺乏正確評價與科學管理,常常盲目擴大開采,造成地下水位下降,水質惡化,地面塌陷等一系列環境地質問題。
  16. Based on the data of the depth to groundwater table below land surface with observational wells in 1975, 1980, 1985, 1990, 1995, 2000 of the hebei plain, adopting gis technic and kriging interpolation method, this paper analyzes the spatio - temporal change of groundwater level in the past 25 years in hebei plain

    根據1975 1980 1985 1990 1995 2000年的地下水位觀測資料,利用gis技術,採用kriging插值方法,分析了近25年來河北平原地下水位的動態變化過程,揭示了地下水位的時空演變規律,並探討了地下水位下降的原因。
  17. Recent advances in desert vegetation response to groundwater table changes

    荒漠區植被對地下水埋深響應研究進展
  18. Based on hydrogeology and engineering geology reconnaissance, this problem constructs groundwater power field and system of chemistry characteristic through comprehensive analysis and research. monitoring groundwater table and water quality by means of choosing representative dike section, the paper appraises and forecasts that the influence to groundwater surroundings by building impermeable wall is or not unhealthy include the lever and the scope

    本課題的特色是在水文、工程地質勘察基礎上,經一個水文年長期水位監測,經綜合分析研究后,建立地下水動力場和化學特徵系統,通過選擇代表性堤段對防滲墻建造前後地下水位和水質進行監測,評價和預測防滲墻建設對地下水環境是否存在不良影響以及影響的程度和范圍。
  19. A study on the ecological groundwater table in the north china plain

    華北平原地下水生態環境水位研究
  20. J geophys res, 2003, 108 : 8613 8629 9 yang h w, xie z g. a new method to dynamically simulate groundwater table in land surface model vic

    陸面過程模式中地下水位的參數化及www . scichina . com 384中國科學d輯地球科學第36卷初步應用
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