![]() ![]() Using this relationship, the homeowner can estimate when floodwaters may impact his home, property or even the prevent access to his home. When a surveyor provides a vertical survey for constructing a home near the river, the new homeowner can compare his elevation to the elevation of the river at the nearest river level measurement station. By using the same vertical datum on surveys, a surveyor is able to provide an elevation for a location and this elevation can be compared with other elevations at different locations.įor example, the District uses horizontal and vertical datums to establish the locations and the elevations of each river level station. Latitudes and longitudes are one coordinate system used to provide these locations. Horizontal datums are used to establish specific locations on the earth. ![]() Using the same datum, a surveyor may relate and compare positions or elevations of various stations. The new vertical datum will affect river level values on the following rivers:Ī datum is a standard or reference by which things are mapped from either horizontally or vertically. One part of providing more accurate river levels is upgrading to the newest vertical datum (North American Vertical Datum of 1988 - NAVD 88) in August 2015. Providing more accurate river level information is important to the citizens in the Suwannee River Water Management District (District), especially those who own property along the rivers of the District that are affected by periodic flooding. Suwannee River Water Management District ( SRWMD) Using a Newer Vertical Datum for River Level Measurements ![]()
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