groundwater balance 中文意思是什麼

groundwater balance 解釋
地下水均衡
  • groundwater : 地泉水
  • balance : n 1 〈常作 a pair of balances〉 天平,秤。2 平衡,均衡,對稱;抵消;比較,對照,對比。3 (鐘表的...
  1. Therefore, it is important to accelerate economic construction, and to maintain ecological balance, and sustainable development of arid, and semiarid areas in order to use and impolder groundwater resources in reason and phase

    因此,合理、協調地開發和利用地下水,找出地下水位監測的省錢、省力方法,對乾旱、半乾旱地區的生態平衡、經濟建設、農業發展的影響重大。
  2. The present utilization and existing problems in water resource of the north of huaihe river in anhui are introduced. based on such research objects as northern guo river of bozhou, jiangtang of fuyang and key city zones, a mathematical model with systems engineering viewpoint is established and used to investigate in water resource problems in the area. the main contents are as following : ( 1 ) groundwater resource and present utilization ; ( 2 ) mensuration of calculational parameters of groundwater and calculational methods ; ( 3 ) economic parameters of irrigation areas ; ( 4 ) establishing northern wo river forecast model with finite element method, areal well - group method and water balance method ; ( 5 ) establishing optimal water resource allocating model for northern jiangtang and new cihuaixin river irrigation area and investigating in the combination of surface water and groundwater, optimal agricultural planting - mode and optimal distribution proportion of various water sources ; ( 6 ) some existing exploitation problems and advices about water resource in the area

    本論文針對淮北地區水資源開發利用現狀及存在問題,以安徽亳州渦河以北地區、阜陽姜堂鄉和重點城市區為研究對象,運用系統工程觀點,採用數學模型方法,對該區水資源問題進行了綜合研究,主要內容為: ( 1 )地下水資源及開發利用現狀; ( 2 )地下水計算參數測定和計算方法; ( 3 )灌區經濟參數; ( 4 )採用有限單元法、面狀井系法、水均衡法,建立亳州渦河以北地下水位預測模型; ( 5 )建立阜陽姜堂及茨淮新河北部的農灌區水資源優化配置模型,應用系統分析的方法,研究地表水與地下水聯合運用,農業最優種植模式及各種水源的最佳分配比例; ( 6 )淮北地區水資源開發利用存在問題及建議。
  3. In analyzing the dynamic phenomenon in a groundwater for producing in type in different influence to take the foundation of the effect with characteristic and its environments, the influence mechanism for water matter activity to groundwater dynamic changes is studied, making use of theories the groundwater seepage flows and the water balance

    在分析不同影響類型所產生的地下水動態的現象和特徵及其環境負效應的基礎上,利用地下水滲流和水均衡理論深入分析了水事活動對地下水動態的影響機理。
  4. In order to optimize control and management groundwater resource, the paper ascertains hydrologic and geological parameter on the basis of single - and multi - well unbalance flow pumping experiment, establishes the model of groundwater management system using the theory of volume balance

    本文在單、群井非穩定流抽水試驗的基礎上,確定水文地質參數,利用水平衡原理建立地下水系統管理模型,進行優化管理和調度。
  5. Beginning with the analyse of present situation and cause of formation of saline - alkali land, the irrigated area overall water salt trends are analysed, and the irrigated area saline - alkali land and the groundwater level and distribution law of groundwater degree of mineralization are expounded, the trendence of irrigated area saline - alkali land is put forward. then water salt balance model is estanbished according to the relationship of irrigating and drainage. regarding the irrigated area as a balance area, by analysis of mineralization degree of water pumping from the yellow river and drained off water from irrigated area, the change of the draining off water ion is forcasted in water reducing condition

    課題研究主要從鹽堿地現狀與成因及灌區總體水鹽動態分析兩方面入手,闡述了灌區鹽堿地、地下水位、地下水礦化度的分佈規律,分析了灌區鹽堿地的成因及變化趨勢;根據灌區灌溉、排水條件與以上各種因素的關系,建立了灌區水鹽均衡模型;把灌區作為一個均衡區,通過對黃河來水礦化度、灌區排水礦化度的分析,預測了在灌溉引水、排水減少時排水離子量的變化;運用灌區水鹽動態模型原理,對灌區現狀( 1998 、 2000年)與規劃水平年總體水鹽平衡進行了計算;總結分析了灌區水鹽動態變化趨勢,計算並提出了排水控制標準。
  6. Investigated the water resources volume and quality and exploitation condition, conducted water balance for the present condition at 75 and 95 probability levels, and listed the problems in water resources development and management. 4. two methods, one looked into the percentage of surface water and groundwater ; and the other introduced fuzzy set theory, and took the social economy and water system as one system for analyzing

    4 、對全市水資源開發利用程度用兩種方法進行了分析,一是用傳統的方法單一地對地表水、地下水的開發利用量占資源量的百分數進行了分析;二是引入模糊綜合評判的方法,將社會經濟和水資源納入一個系統進行分析研究,較為客觀地評價了水資源的開發利用程度,兩種方法的評價結果基本上是一致的。
  7. On the basis of the monitoring results of land subsidence and calculation of deep groundwater resources by using water balance method, it is shown that the leakage recharge from its upper shallow groundwater account for approximately 38. 2 %, drainage of the clay layers, about 41. 3 %, water release from the aquifers, around 5. 6 % and lateral inflow, some 14. 9 %, of the total groundwater resources

    摘要根據天津平原地面沉降監測結果,採用水量均衡法,計算出深層地下水開采量中,淺層地下水越流補給量佔38 . 2 % ,粘土性壓密釋水量佔41 . 3 % ,彈性釋水量佔5 . 6 % ,側向流入量佔14 . 9 % 。
  8. As an important part of water resources, groundwater plays a significant role in securing people ' s domestic uses, supporting socioeconomic development and maintaining ecological balance

    摘要地下水是水資源的重要部分,在保障城鄉居民生活、支撐經濟社會發展和維持生態平衡等方面具有十分重要的作用。
  9. Changing of the riverbed conductance provides high change in river gaining rate compared to change in river losing rate. this difference can be attributed to aquifer anisotropy, river penetration, hydraulic balance between groundwater head and river stage

    其中河床沉積物滲透性的改變引發的河流得水率變化明顯大於河流失水率的變化,分析其原因為含水層的各向異性、河流的滲漏、河水與地下水的水力均衡。
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