Watercourses

The hydrographic grid census results from the application of Legislative Decree No 152 of 11 May 1999, from the standards imposed by the Ministerial Decree of 19 August 2003 and from the application of the INSPIRE guidelines. These regulatory instruments provide that water bodies must be uniquely identified with an alphanumeric and geographical coding.本次水文网格普查结果，依据1999年5月11日第152号立法法令、2003年8月19日部长令设定的标准，以及INSPIRE指南（INSPIRE guidelines）的相关要求生成。上述监管法规文件明确规定，水体需通过字母数字与地理编码实现唯一标识。