【摘要】 胥溪河东坝北岸7508钻孔柱状剖面中-3.7￣-5.8m深处2m厚的砂夹泥砾土层和东坝至下坝间的8179号孔下部存在4.5m厚的中、粗、细粒砂层表明,在春秋吴国开凿胥溪运河之前,该处就存在规模较大的天然河流;胥溪河沿岸薛城遗址、朝墩头遗址和下家宕新石器时代遗址的存在,以及胥溪河两岸1km范围内地表数米之下厚达数十米的淤泥层更是古中江在胥溪河一带存在的重要证据。目前胥溪河东坝所建的船闸不利于水阳江和太湖水系的沟通,也不利于发挥胥溪河流域灌溉和航运的应有作用。若能及早开发芜(湖)-太(湖)运河,即进一步拓宽芜湖→固城湖→胥溪河→东坝→溧阳→宜兴→太湖的水运航道,清除水阳江和太湖水系之间由坡积物构成的分水岭岗地堆积物,不仅可缩短长江入太湖的水上航线,还可分流长江航运船只、保证安全通航率、开发古河道砂砾石资源、稳固长江堤防,解决长江下游灌溉、分洪、排涝和冲污等一系列现实问题,推动胥溪河流域经济可持续发展。更多还原

【Abstract】 On the north bank of east dam at Xuxi River, in the drilling hole No. 7508 columned profile, from -3.7 m to -5.8 m, there is a sand and clay boulder layer with a thickness of 2 m. The drilling hole No. 8179 between east dam and west dam at Xuxi River, on the under part of it, there is a middle, coarse and fine sand layer with a thickness of 4.5 m. The above phenomena indicate that there is a large natural river here before the Xuxi River was excavated by the Kingdom of Wu in the Spring and Autumn Period (770-476BC). We can find other important evidences for the existence of the palaeo-Zhongjiang River. The lock gate at the east dam of Xuxi River nowadays blocks the water systems to connect between Shuiyangjiang River and Taihu Lake. The lock gate is also disadvantageous to irrigation and ship transportation among the drainage area of Xuxi River. The authors suggest that if the canal between Wuhu and Taihu Lake could be excavated and enlarged as soon as possible, that is, if the channel from Wuhu to Guchenghu Lake, Xuxi River, East Dam, Liyang, Yixing and Taihu Lake could be further enlarged, the watershed composed of deposition between Shuiyangjiang River and Taihu Lake could be cleared away, then the channel journey could be shortened and the ships could also be diverted from the shipping line on the Yangtze River for ensuring security navigable rate, exploiting the resources of sand and gravels on the old river channel and stabilizing the dikes of the Yangtze River, hence the problems of irrigation, flood diversion, pollution abatement and flooded fields drainage on the Yangtze River could be solved and the economic sustainable development for the drainage areas of Xuxi River and Taihu Lake could be promoted.更多还原