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題 名 | 水庫水質模擬敏感度分析與優養化風險評估=Sensitivity Analysis of Reservoir Water Quality Simulation and Risk Assessment of Eutrophication |
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作 者 | 吳富春; 沈易徵; | 書刊名 | 農業工程學報 |
卷 期 | 44:4 1998.12[民87.12] |
頁 次 | 頁76-90 |
分類號 | 445.212 |
關鍵詞 | 水域生態系統模式; 水庫水質模擬; 敏感度分析; 優養化; 風險評估; 動態模式; Aquatic ecosystem model; Reservoir water quality simulation; Sensitivity analysis; Eutrophication; Risk assessment; Dynamic modeling; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究利用水域生態系統模式進行水庫水質模擬,本文以德基水庫為探討對象, 模擬其水體中氨氮、硝酸氮、正磷鹽酸、浮游植物與浮游動物間之互動關係。模擬結果顯示 本模式能有效模擬水庫水質之動態變化。本研究藉此模式針對各項入流濃度對水庫水質之影 響進行敏感度分析,並進一步根據敏感度分析之結果,評估各項入流濃度對水庫水質優養化 風險所造成之影響。敏感度分析結果顯示磷酸鹽入流濃度是造成水庫內浮游植物大量生長之 主控因素,而優養化風險評估之結果顯示若能控制上游浮植物令入流濃度在10μg/L以下時 ,優養化風險可降至0;若將各種營養源入流完全阻絕,可使優養化風險降至40%.。 |
英文摘要 | This study uses an aquatic ecosystem model to simulate the water quality in reservoir. The interactions between ammonia, nitrate, phosphorous, phytoplankton, and zooplankton in Te-Chi reservoir are investigated. The simulated results indicate that this model can effectively simulate the dynamic variations of the reservoir water quality. The model is used to investigate the sensitivity of inflow concentration of various nutrients on the water quality and further to assess the risk of eutrophication. The results of sensitivity analysis indicate that the inflow concentration of phosphorous is the governing factor for phytoplankton growth. The results of risk assessment indicate that the risk of eutrophication can be lowered to 40% if all the nutrients are excluded from the inflow. However, if the inflow concentration of phytoplankton is maintained below 10μug/L, the risk of eutrophication can be reduced to 0. |
本系統中英文摘要資訊取自各篇刊載內容。