Mean Higher High Water (MHHW definition

Mean Higher High Water (MHHW means the arithmetic average of the elevations of the Higher High Waters of a Mixed Tide over a specific 19-year period. For shorter periods of observation, corrections are applied to eliminate known variations and reduce the result to the equivalent of a mean 19-year interval.
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Mean Higher High Water (MHHW means a tidal datum. The average of the higher of
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Mean Higher High Water (MHHW means the average of the higher high water height of each tidal day over a total epoch (19 years).
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Examples of Mean Higher High Water (MHHW in a sentence

  • That workshop established geographic priorities for a coastal mapping project and identified the need for coverage of “lands” from the shore strand line (defined as Mean Higher High Water; MHHW) out to the 3-nautical-mile (5.6-km) limit of California’s State Waters.

  • SWCNT can also be thought of as a ribbon of graphene rolled into a seamless, one-atom thick cylinder.

  • We have about 20 innovations that make our conferences exceptional.

  • Mean Higher High Water (MHHW) plus sea level rise for the year 2050.

  • An impact assessment shall be conducted during local, state and federal review of permit applications for structural shoreline stabilization seaward of the line of non-aquatic vegetation or the Mean Higher High Water (MHHW) line.

  • By 2100, these same areas—which represent the majority of the public access provided as part of the project—could be flooded during King Tides (1-year storm event) and greater flood events under a low-emissions scenario, but would not flood at Mean Higher High Water (MHHW).

  • We assumed the most conservative sea level rise elevation of 11.30.’ * Mean Higher High Water (MHHW): A tidal datum.

  • Vulnerabilities to that flooding include roads and bridges, buildings, historic districts, and wastewater treatment system components and facilities.Dewberry’s Vulnerability Assessment examined the scope and effects of three categories of flooding in particular: attributable to Mean Higher High Water (MHHW; defined as NAVD88 water elevation of approximately 2 feet); nuisance (NAVD88 = 3.75 feet); and 1% or 100-year (NAVD88 = 6–10 feet).

  • The NOS tide gages at the Battery in Manhattan and at Bergen Point West Reach on Staten Island recorded water level values of 9.0 feet and 9.53 feet above Mean Higher High Water (MHHW), respectively.

  • Mean Higher High Water (MHHW) plus sea level rise for the year 2100.

Related to Mean Higher High Water (MHHW

  • Ordinary high water mark (NR 115.03(6)) means the point on the bank or shore up to which the presence and action of surface water is so continuous as to leave a distinctive mark such as by erosion, destruction or prevention of terrestrial vegetation, predominance of aquatic vegetation, or other easily recognized characteristics.

  • Seasonal high water table means the highest zone of soil or rock that is seasonally or permanently saturated by a perched or shallow water table. A planar surface, below which all pores in rock or soil (whether primary or secondary) that is seasonally or permanently saturated.

  • High Water Mark means the highest line reached by the water of the sea during ordinary storms occurring during the most stormy period of the year, excluding exceptional or abnormal floods;

  • Very high radiation area means an area, accessible to individuals, in which radiation levels from radiation sources external to the body could result in an individual receiving an absorbed dose in excess of 5 Gy (500 rad) in one hour at one meter from a source of radiation or one meter from any surface that the radiation penetrates.

  • Potable water means water that is fit for human consumption;

  • Native Hawaiian means any individual who is a descendant of the aboriginal people who, prior to 1778, occupied and exercised sovereignty in the area that now constitutes the State of Hawaii.

  • Market Participant Energy Injection means transactions in the Day-ahead Energy Market and Real-time Energy Market, including but not limited to Day-ahead generation schedules, real- time generation output, Increment Offers, internal bilateral transactions and import transactions, as further described in the PJM Manuals.

  • Project Water means water made available for delivery to the contractors by project conservation facilities and the transportation facilities included in the System.

  • Ballast water means water with its suspended matter taken on board a ship to control trim, list, draught, stability or stresses of the ship.

  • waste water means used water containing substances or objects that is subject to regulation by national law.

  • Greenhouse Gas means carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride.

  • Consenting working interest owner means any working interest owner who enters into an agreement with SWN pertaining to the operation of the Posey B Unit.

  • Diameter at breast height (dbh) means the diameter of a tree at 4 1/2 feet above the ground measured from the uphill side.

  • Class I renewable energy means electric energy produced from