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題 名 | 地理統計模擬法於斗六地區流通係數空間分佈模擬之研究=Conditional Geostatistical Simulation in the Study of Simulating Spatial Transmissivity Distribution of Dulliu Area |
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作 者 | 林裕彬; 鄧東波; 譚義績; | 書刊名 | 農業工程學報 |
卷 期 | 47:4 2001.12[民90.12] |
頁 次 | 頁77-89 |
分類號 | 351.85 |
關鍵詞 | 地理統計; 逐步高斯模擬; 退火模擬法; 流通係數; 空間變異; Geostatistics; Sequence gaussian simulation; Simulated annealing simulation; Transmissivity; Spatial variability; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以雲林北港溪斗六丘陵以西及北港溪以東地區之抽水試驗流通係數為例,應用地理統計模擬法之逐步高斯模擬法和退火模擬法,模擬此區域流通係數的空間分佈,將各模擬域之統計量與流通係數值之統計量相比較,並應用地理資訊系統與地質調查資料相互套疊比較。研究結果顯示,逐步高斯模擬法較能顯示出空間極端變異及空間複雜性,但就流通係數的特性而言,退火模擬法所模擬之流通係數空間分佈,較能顯現研究區流通係數之空間分佈趨勢及空間變異複雜性。且退火模擬之流通係數空間分佈、河系及地質調查資料相互比較與套疊結果,證明逐步高斯模擬法和退火模擬法之流通係數模擬值,皆能模擬出研究區內流通係數之統計量,而退火模擬法模擬值之空間分佈較逐步高斯模擬值符合地質分佈,且與水系分布狀況相符。逐步高斯模擬及退火模擬所產生之多重模擬域可提供此地區流通係數未確定之研究。 |
英文摘要 | In this study, the spatial distribution of transmissivity is simulated by using the sequence Gaussian simulation and simulated annealing simulation in the area located at the west of the Duliu terrace and the east banks of the middle and upper streams of Peikang River in Yun-Lin County of Taiwan. We compared simulated results with the measured transmissivity data and used GIS to overlay the simulated results, geological formation and the distribution of depth of clay. It is found that simulated results matched the complex spatial fluctuation of transmissivity over study area. Comparing simulated annealing simulation with the sequence Gaussian simulation for simulated spatial fluctuation of transmissivity, simulated annealing simulations can reveal the statistics transmissivity of this study area. Moreover the distribution of simulation results of simulated annealing simulation much more matches the spatial formation of rivers, geology and clay. Meanwhile, the multiple realization of sequence Gaussian and simulated annealing simulations can also identify the spatial area of uncertainty of transmissivity in this study area. |
本系統中英文摘要資訊取自各篇刊載內容。