groundwater simulation 中文意思是什麼
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Application of the algorithm for different observed head data sets indicate that the model can be successfully applied for aquifer systems where data available may be sparse and with errors. calculated groundwater heads by identification results in fourteen parameter areas are fit for observed heads in field, and flowing filed is similar. the study demonstrates the effectiveness of the ga global optimization model for parameter identification, which is an important step towards real system simulation and effective planning and management of groundwater resources
通過算例研究，表明上述演算法可行，且rbf神經網路方法和退火遺傳演算法對地下水系統參數的識別效果都較好，而退火遺傳演算法較之標準的遺傳演算法具有更好的收斂性將演算法應用到北京市密懷順地區，在收集、分析研究區資料基礎上，建立了北京市密懷順平原區地下水模擬模型，並用遺傳演算法進行了地下水系統參數識別，在十四個分區情況下，計算水位與實際水位擬合的較好，各應力期末的計算與實測等水位線基本一致，表明該識別值較為合理。 -
Study on numerical simulation of non - darcy seepage for groundwater
地下水非達西滲流的數值模擬研究 -
Simulation study on seepage field of groundwater in the striding lake bridge site area
跨湖橋獨木舟遺址區地下水滲流場模擬研究 -
Aiming at the recharge capacity of rubber dam to the groundwater storage, the excited water supply of the dam caused by the exploitation of industry is discussed by mathematical simulation
並針對橡膠壩的補給能力，通過數值模擬探討了壩內蓄水因工業開采而激發的補給量。 -
On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models
論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域，在對評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上，概化了其水文地質條件，構建了相應的地下水資源評價概念模型與數學模型，並給出其數值解法和相應的計算流程；論文在介紹數學模型的兩種常用數值解法和模型空間離散的矩形網格生成技術的基礎上，實現了基於gis的評價模型空間離散矩形網格的自動生成；最後，論文從基於gis的評價模型基本信息管理、模型空間時間離散方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成，並將模型評價結果可視化。 -
Application of visual modflow in groundwater numerical simulation for water source area
在水源地地下水數值模擬中的應用 -
The paper selects the subject entitled " the isoparametric finite - element three - dimension groundwater ( fe3dgw ) model for fracture - karst water resources and numerical simulation in jinan springs zone ", which is one sub - task of items on " exploitation and springs protection of jinan fracture - karst water ( no. 200001 ) " in this paper, the following questions are discussed : first, according to the site survey, and other relative datum, the condition of physical geography, geography and hydrogeology are summarized
本文的研究課題? ?濟南市巖溶地下水數值模擬研究是山東省計委計劃項目「濟南市巖溶地下水開發利用與泉群保護研究（ no . 200001 ） 」的子課題。主要研究內容有：第一，在調查和閱讀分析相關資料的基礎上，概要總結和闡述泉群研究區域的自然地理、水文地質條件和地質概況，提出研究區水文地質概念模型，進一步建立濟南泉群研究區非均質各向異性三維非穩定流數學模型，利用等參有限元技術進行數值求解。 -
It is built as an open platform for scientific research on groundwater circulation at different scale, resource and environment effects, water - salt flux variation at interface and effects on the global climate induced by human activities, assessments of regional groundwater and the detective technology, isotopes during the groundwater evolution, numerical simulation and predict technique
發揮我所尖端科研資源優勢，建設開放式創新研究平臺，主要支持開展不同時空尺度地下水循環演化過程、資源與環境效應及其動力學，層圈間不同界面水鹽通量變化及其對全球氣候變化和人類活動影響的響應機制，區域含水層系統探測技術與評價理論，地下水演化的同位素與數值模擬、預測技術等研究。 -
Application of asmwin in groundwater flow simulation of zhenjiang city
在鎮江市地下水滲流模擬中的應用 -
Visual modflow and its application problems in groundwater simulation
及其在地下水模擬中的應用 -
A new approach of gva that formulated to relatively quantify the groundwater depletion risk was evaluated with visual modflow results to determine the accuracy of the vulnerability maps. there are very close acceptable match of the groundwater vulnerability index map results with visual modflow simulation results
本文使用新的地下水脆弱性評價方法同時把所得的脆弱性評價結果與數值模型模擬結果進行對比，證明該方法準確可靠，可用於指導該地區地下水資源的開發利用與保護。 -
Groundwater flowline generation is one difficulty in results visualization of groundwater simulation, by which we could analyze groundwater movement easily
摘要地下水流線的生成是數值模擬結果顯示中一個重點。 -
There are three major classes of groundwater vulnerability assessment methods : overlay and index methods, methods employing process - based simulation models and statistical methods
地下水脆弱性評價方法主要有三類：迭置指數法，過程數學模擬法和統計方法。這三類方法互有優缺點。 -
Preliminary application of gms in simulation of groundwater seepage flowing field in dumping site in southeast of gushan iron mine
在姑山鐵礦東南區排土場地下水滲流場的應用初探 -
Numerical simulation on groundwater seepage flow in the slope area of fissured rock
裂隙巖質邊坡地下水滲流數值模擬 -
95 % of water - used by agriculture come from groundwater, and it occupied 80 % of total water consumption ( 2001 ). water shortage is becoming the major obstacle of sustainable agricultural development and the key is raise efficiency of wateruse. the results of wofost model simulation showed that the yield of winter wheat was 2323 kg / hm2 under the rainfeed conditions, 5946kg / hm2 with irrigation, while the potential yield is 8485kg / hm2 with the abundance supply of light, temperature, water and fertilizer
（ 2 ）順義區農業用水的95來自地下水，農業用水占總用水量的80左右（ 2001年） ，水資源緊缺成為限制農業生產的主要瓶頸，在日趨緊缺的水資源壓力下，提高水分使用效率成為土地可持續利用的關鍵。採用wofost模型對順義區冬小麥的生產潛力及雨養條件下水分限制產量進行了模擬，結果表明：在光、溫、水、肥條件均滿足時生產潛力為8485kg hm ~ 2 ，雨養條件下水分限制產量只有2323kg hm ~ 2 。 -
Simulation of groundwater level distribution in a large area using digital elevation model as auxiliary information
作為輔助信息推定大區域地下水初始流場 -
In chapter 1, the principle and engineering measures of bringing under control are analyzed at first, the problem of water environment arisen in harnessing closed levees are discussed, too. then present conditions of simulation research on solute movement in groundwater are summarized. in addition, the importance and contents of simulation research on solute movement in groundwater are set forth
論文第一章緒論部分首先分析了圩區治理的原則與工程措施，其次討論了圩區治理中出現的水環境問題，后在此基礎上對國內外地下水溶質運移模擬研究現狀進行了概括，並闡述了地下水溶質運移模擬研究的重要意義與內容，最後論述了本研究課題的提出。 -
According to karstic groundwater supply and demand status in the region, especially through numerical simulation of current karstic groundwater, the author considered that there still has proper development potential of karstic groundwater in western handan
摘要根據區域內巖溶地下水供需現狀，特別是通過對巖溶地下水最新開采動態的數值模擬，認為邯鄲市西部巖溶水區具有一定的開發潛力。 -
Saturated and unsaturated groundwater flow numerical simulation in large scale zone
非飽和地下水流運動數值模擬
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