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|a NGVD- NAVD? |h [electronic resource]. |
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|a [S.l.] : |b United States Department of Homeland Security, |c 2007-03-30. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a Regulatory floodplains are defined by the elevation of the base flood in relation to the elevation
of the ground. Base flood elevations are used to determine the required elevation of new
buildings in the floodplain. Floodplain management will not succeed without accurate
measurements of flood elevations, ground elevations and building elevations. Needless to say, if
flood elevations are based on one system and ground or building elevations are based an another, things won’t work. NGVD 29 stands for National Geodetic Vertical Datum of 1929. It is a system that has been used by surveyors and engineers for most of the 20th Century. It has been the basis for relating ground and flood elevations, but it has been replaced by the more accurate North American Vertical Datum of 1988 (NAVD 88). Because it has such an impact on floodplain management, it is important for local officials to understand what’s happening. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a Community Rating System- National Flood Insurance Program- Federal Emergency Management Agency. |
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|a Federal Documents Collection. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15061969/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/06/19/69/00001/FI15061969thm.jpg |
