Elevation contours and points (WFS)
收藏资源简介:
The service includes altitude data on land and depth data in the territorial sea: 1) the same height lines at 2.5 m intervals, 1 m of the same height line; 2) isobath lines at 5 m intervals, 2 m isobath; 3) characteristic height and depth points. The data on the same altitude lines and elevation points have been produced from the height data of the Estonian topography database aerolasers scanning (LiDAR). Data on the same depth lines and depth points were generated by the Land Board from the data collection of the depth points of the Hydrographic Information System (HIS).
本服务涵盖陆地海拔数据与领海水域水深数据,具体包含以下三类内容: 1. 等高距为2.5米的等高线,以及1米等高线; 2. 等深距为5米的等深线,以及2米等深线; 3. 特征高程点与特征水深点。 前述等高线与高程点数据,均基于爱沙尼亚地形数据库的航空激光扫描(LiDAR,激光雷达)高程数据生成。 等深线与水深点数据,则由爱沙尼亚国家土地局(Land Board)依托水文信息系统(Hydrographic Information System, HIS)的水深点采集数据生成。



