珠江三角洲从地形大势上看,是从西北向东南倾斜,其间有岗田、围田区、高沙田区和低沙田区的分布。开发序列也大体上是从西北至东南。据曾昭璇考证:古代的西江曾有三大分汊支流,分别是白坭河从清远石角,芦苞冲从三水芦苞,西南冲从三水西南一起汇入广州珠江河段,都有是以广州溺谷湾为最后归宿。①在宋、元、明三 From the topography of the terrain, the Pearl River Delta is inclined from northwest to southeast with the distribution of Gangtian, Weita, Gao Shatian and Low Shatin. The development sequence is also generally from northwest to southeast. According to Zeng Zhaoxuan textual research: the ancient Xijiang River had three major tributaries, namely the Baihe River from the Qingyuan Shijiao, Lubao Chong from Sanshui Lubao, Southwest Chongshui from Sanshui southwest together into the Guangzhou Pearl River, have Guangzhou drown Valley for the final destination. ① in Song, Yuan, Ming III