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The Development of Anoxia in the Artificial Lake Shihwa, Korea, as a Consequence of Intertidal Reclamation

机译:潮间带填海的结果,在韩国人造花湖中发生缺氧

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The reclamation of an intertidal flat recently created Lake Shihwa, in Kyunggi province, on the western coast of Korea. The artificial, saline lake was expected to transform into a freshwater one. However, the drainage structure of the lake does not allow entrapped Yellow Sea water to be fully replaced by freshwater from its hinterland. The lake water is strongly stratified with polluted freshwater at the surface and entrapped, saline water on the bottom. The pycnocline, lying at a depth range of 6-8 m, prevents mixing between the two water bodies, and thus generates anoxic conditions in the deeper waters. The pycnocline matches the oxic/anoxic interface between the oxygenated surface water and the hydrogen sulphide rich deep water. Stratification, the inflow of polluted water, and anoxia all contribute to the disastrous pollution of the lake.
机译:潮间带的平地最近在韩国西海岸的京畿道创建了白花湖。人工盐水湖有望转变为淡水湖。但是,该湖的排水结构不允许被内陆的淡水完全替代被困的黄海水。湖泊水被污染的淡水强烈地分层,地表底部则夹带盐水。碧萝oc位于6-8 m的深度范围内,可防止两个水体之间的混合,从而在较深的水中产生缺氧条件。碧萝oc与氧化的地表水和富含硫化氢的深水之间的氧/氧界面相匹配。分层,污水流入和缺氧都造成了该湖的灾难性污染。

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