HHWLTHigher High Water, Large Tide (water elevation level)
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References in periodicals archive ?
Lower Low Water Large Tide (LLWLT) is the lowest expected tide at 0.5 m Chart Datum and Higher High Water Large Tide (HHWLT), the highest expected tide, is 11.6 m above Chart Datum (CHS, 2001).
Residential buildings are, on average, at much higher elevations, although the lowest is a house at 5.6 m (10 cm above HHWLT).
A rise in sea level of 0.7 m with a high spring tide (0.7 m above HHWLT) would inundate 28% of the 30.5 m coastal ("Open Space") zone and 14% of the coastal Sijjaanga District.