Description
The backbone of the Amsterdam Ordnance Datum (NAP) is a network of about 400 primary subsurface markers. Relative movements between the primary subsurface markers are measured with spirit levelling once in 10-20 years. We investigated absolute (truncated)
Date made available | 2020 |
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Publisher | TU Delft - 4TU.ResearchData |
Date of data production | 1991 - 2019 |
Geographical coverage | Locations for "Absolute vertical motion of NAP" |