关于明清西安龙首、通济二渠的几个问题

A Few Problems on the Ming-Qing Times' Longshou and Tongji Channels in Xi' an

本文通过对相关史料记载的细致考证，深入分析和研究了龙首渠的渠源与流路、通济渠在西安城内与城外的渠道长度、龙首与通济二渠在西安城内的会通点、所谓的“余公渠”、康熙初年疏浚通济渠的具体时间、明清史志对于龙首与通济二渠的混淆等涉及明清时期西安龙首、通济二渠的几个相关问题，对文书及个人论著中的诸多错误说法做了纠正。

On the basis of careful textual criticism to some relevant his torical documents, the paper analyses and researches in detail the following problems: (1) The source and route of the Longshou Channel; (2)The length of Tongji Channel; (3)The converging places of the above two channels in Xi' an; (4) So -called ″ yu Gong Channcln; (5) The specific time of the Tong ji Channel's dredging in the beginning years of Kangxi emperor time in the Qing Dynasty; (6)Some confusions on the two channels in the Ming-Qing Times' Historical documents, which are the key to research the two channels. Furthermure, the paper also modifies many mistakes in the historical and present books.