The field surveys on Tanshui River were conducted to investigate the hydraulic and water quality in the processes of substantial exchange of the tidal river.

• 对于此一现象，必须先瞭解该河段之水理水质状况，并模拟污染物质在水体中之传输与交换过程，以对河口生态环境作最妥善之规划与安排。