chart datum definizione. While chart datum is an ideal reference point for measuring soundings across a chart, it is not used for measuring heights. The datum to which levels on a nautical chart and tidal predictions are referred;
chart datum definizione A chart datum is the water level surface serving as origin of depths displayed on a nautical chart and for reporting and predicting tide heights. The chart datum is the level of water from which charted depths on nautical charts are measured. Chart datum, or the specific water level surface used as the reference point on a chart, is unique to each location.
A Chart Datum Is The Water Level Surface Serving As Origin Of Depths Displayed On A Nautical Chart And For Reporting And Predicting Tide Heights.
However, a practical working definition in use is: Chart datum, or the specific water level surface used as the reference point on a chart, is unique to each location. While chart datum is an ideal reference point for measuring soundings across a chart, it is not used for measuring heights.
The Depths On The Chart In Fact Refer To A Imaginary Level Know As Chart Datum.
The datum to which levels on a nautical chart and tidal predictions are referred; It is usually a tidal datum,. As a rule of thumb, chart datum is normally the lowest you would expect the tide to fall at any given location.
Many Different Definitions Of A Horizontal Datum (Also Known As Geodetic Datum) Exist.
The chart datum is the level of water from which charted depths on nautical charts are measured.