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.

  • At the coast, normally dry land is roughly defined as areas higher than the normal high tide line, or Mean Higher High Water (MHHW).

  • Figure 6: The annual cycle of high water levels relative to Mean Higher High Water (MHHW) due to tides, short-term fluctuations (most likely associated with storms) and seasonal variations for ChuukSource: Australian Government Bureau of Meteorology (2013).

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

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

  • 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.

  • 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).

  • Regional local government Section 3.61 provides that two or more local governments may, with the approval of the Minister, establish a regional local government ‘to do things…for any purpose for which a local government can do things under this Act or any other Act’.

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

  • 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).

Related to Mean Higher High Water (MHHW

  • mean high water springs or “MHWS” means the highest level which spring tides reach on average over a period of time;

  • Fresh water means water, such as tap water, that has not been previously used in a process operation or, if the water has been recycled from a process operation, it has been treated and meets the effluent guidelines for chromium wastewater.

  • 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 line on the interior surface of the primary and secondary cells which is normally reached when the cell is at the maximum allowable liquid level or the line of the exterior of the perimeter dykes which is reached during local flooding;

  • 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;

  • Raw water means water withdrawn from a reservoir or well prior to any physical treatment of such water.

  • 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.

  • Non-potable water means water not safe for drinking, personal, or culinary use as determined by the requirements of 35 Ill. Adm. Code 604.

  • Storm water management plan means a comprehensive plan designed to reduce the discharge of pollutants from storm water after the site has under gone final stabilization following completion of the construction activity.

  • 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.

  • Class B operator means the individual who has day-to-day responsibility for implementing applicable regulatory requirements established by the department. The Class B operator typically implements in-field aspects of operation, maintenance, and associated record keeping for the UST systems.

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

  • Anti-Ragging Helpline means the Helpline established under clause (a) of Regulation 8.1 of these Regulations.

  • Class C operator means the individual responsible for initially addressing emergencies presented by a spill or release from an UST system. The Class C operator typically controls or monitors the dispensing or sale of regulated substances.

  • 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.

  • Base Load Generation Resource means a Generation Capacity Resource that operates at least 90 percent of the hours that it is available to operate, as determined by the Office of the Interconnection in accordance with the PJM Manuals.

  • Hot water means water at a temperature of 110°F. (43°C.) or higher.

  • Greenhouse Gas means carbon dioxide, methane, nitrous oxide,

  • SHCP means Secretaría de Hacienda y Crédito Público, the Borrower’s Ministry of Finance and Public Credit.

  • Deep poverty pocket means a population census tract having a

  • Consenting working interest owner means any working interest owner who enters into an agreement with Ascent pertaining to the operation of the Scout W SHC HR Unit.

  • Source Watershed means the watershed from which a withdrawal originates. If water is withdrawn directly from a Great Lake or from the St. Lawrence River, then the source watershed shall be considered to be the watershed of that Great Lake or the watershed of the St. Lawrence River, respectively. If water is withdrawn from the watershed of a stream that is a direct tributary to a Great Lake or a direct tributary to the St. Lawrence River, then the source watershed shall be considered to be the watershed of that Great Lake or the watershed of the St. Lawrence River, respectively, with a preference to the direct tributary stream watershed from which it was withdrawn.

  • Class I renewable energy means electric energy produced from