ICS 07.040 CCS A 76 备案号： xxxx -xxxx CH 中 华 人 民 共 和 国 测 绘 行 业 标 准 CH/T XXXXX —XXXX 内陆水域 水下地形测量技术规程 Technical specification for underwater topograph y survey of inland water areas 报批稿 XXXX - XX - XX 发布 中华人民共和国自然资源部 XXXX - XX - XX 实施 发 布 I 目 次 前言 ................................ ................................ ................................ ................................ ................ III 引言 ................................ ................................ ................................ ................................ ................ IV 1 范围 ................................ ................................ ................................ ................................ ............. 1 2 规范性引用文件 ................................ ................................ ................................ ......................... 1 3 术语和定义 ................................ ................................ ................................ ................................ . 1 4 总则 ................................ ................................ ................................ ................................ ............. 2 4.1 采用基准 ................................ ................................ ................................ .............................. 2 4.2 精度要求 ................................ ................................ ................................ .............................. 3 4.3 测图比例尺、投影、分幅 ................................ ................................ ................................ .. 3 5 技术设计 ................................ ................................ ................................ ................................ ..... 3 5.1 资料收集 ................................ ................................ ................................ .............................. 4 5.2 测区踏勘 ................................ ................................ ................................ .............................. 4 5.3 技术设计书编制 ................................ ................................ ................................ .................. 4 6 控制测量 ................................ ................................ ................................ ................................ ..... 5 6.1 平面控制测量 ................................ ................................ ................................ ...................... 5 6.2 高程控制测量 ................................ ................................ ................................ ...................... 5 6.3 水位控制测量 ................................ ................................ ................................ ...................... 5 7 水深测量 ................................ ................................ ................................ ................................ ..... 5 7.1 一般规定 ................................ ................................ ................................ .............................. 5 7.2 测深线的布设 ................................ ................................ ................................ ...................... 6 7.3 检查线布设 ................................ ................................ ................................ .......................... 7 7.4 测深仪安装与校准 ................................ ................................ ................................ .............. 7 7.5 测深定位 ................................ ................................ ................................ .............................. 8 7.6 声速测量 ................................ ................................ ................................ .............................. 9 7.7 单波束测深 ................................ ................................ ................................ ..............