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一、前言兴宁县位于广东省的东北部,四面环山,地形狭长,总面积2,080平方公里。发源于广东与江西两省交界处的宁江,河长约105公里,流域面积1,364平方公里,自北而南,流入韩江。宁江上游有三条主要支流:黄陂河,长约55公里;罗冈河,长约50公里;石马河,长约32公里。这三条支流,都在龙田会合,流过兴
I. Introduction Xingning County is located in the northeast of Guangdong Province, surrounded by mountains, long and narrow terrain, with a total area of 2,080 square kilometers. Originated in the junction of Guangdong and Jiangxi provinces in Ningjiang, about 105 km long river basin area of 1,364 square kilometers, from north to south, into the Hanjiang River. There are three main tributaries of the upper reaches of Ningjiang: Huangpi River, about 55 km long; Rocang River, about 50 km; Shima River, about 32 km. These three tributaries, all converge in the dragon field, flow through Xing