chart height datum. For example, a level of 1.3 m above chart datum is used for the high water line on the canadian hydrography service (chs) charts of lake ontario and lake erie. As features on a chart, a:
chart height datum As features on a chart, a: You can find the height of hat above chart datum for standard ports on a table of levels on your chart (see example below with hat in the fourth column). For example, a level of 1.3 m above chart datum is used for the high water line on the canadian hydrography service (chs) charts of lake ontario and lake erie.
Tidal Levels On This Site (And Most Published Tide Tables) Are Given As A Height Above Chart Datum (Approximately The Lowest Level Due To.
In fact, both horizontal and vertical datum are usually provided. When dealing with paper maps and charts, the datums are typically listed in the legend of the map. For example, a level of 1.3 m above chart datum is used for the high water line on the canadian hydrography service (chs) charts of lake ontario and lake erie.
As Features On A Chart, A:
Geodetic datums are reference surfaces of zero elevation to which heights are referred to over a large geographic extent. These datums are used to measure the height (altitude) and depth (depression) above and below mean sea level. You can find the height of hat above chart datum for standard ports on a table of levels on your chart (see example below with hat in the fourth column).