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Hydrodynamics of the Segara Anakan lagoon

机译：塞加拉幼犬泻湖的水动力

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摘要

A hydrodynamic field study of the Segara Anakan lagoon combined with a reconstruction of the recorded data using a three-dimensional numerical model provides insights into the processes driving the hydrodynamics of the lagoon. This includes bathymetry, quantification of water volume fluxes with ADCP measurements, sea level recordings, salinity measurements, water budget and numerical model results for the periods of the field studies. Salinity measurements at the Klaces village show a complete flushing of the western lagoon during neap tide in the rainy season, which is assumed to increase the sedimentation. Mean salinities of the western part are in the order of 10 and 21 g/kg, while the eastern part has a larger mean salinity of 27 and 32 g/kg for the rainy and dry season, respectively. A numerical sensitivity study shows a relationship between the Citanduy discharge and the nett water volume transport between the eastern and western part of Segara Anakan. A nett transport to the west, which differs from neap to spring tides, turns to zero when Citanduy discharges are between 300 and 400 m~3/s. The flushing time of the lagoon depends on the monsoon season and is about 1-3 days at the western outlet and increases to 12 days in the central parts.
机译：Segara Anakan泻湖的水动力现场研究与使用三维数值模型重建记录的数据相结合，可深入了解驱动泻湖水动力的过程。这包括测深法，使用ADCP测量定量水通量，海平面记录，盐度测量，水预算和田间研究期间的数值模型结果。 Klaces村的盐度测量显示，在雨季的潮汐潮汐期间，西泻湖被完全冲刷，这被认为会增加沉积。西部的平均盐度约为10和21 g / kg，而东部的雨季和干旱季节的平均盐度分别更高，分别为27和32 g / kg。数值敏感性研究表明，Cegandyy排放量与Segara Anakan东部和西部之间的净水运输量之间存在关系。当Citanduy流量在300至400 m〜3 / s之间时，从净潮到春季潮汐不同的向西的净运输量变为零。泻湖的冲洗时间取决于季风季节，在西部出口大约为1-3天，而在中部则增加到12天。

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