National Ocean Service, United States Power Squadrons: Cooperative Charting Manual, Volume 55

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U.S. Department of Commerce, 1998

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Page 5-21 - BORE - A very rapid rise of the tide in which the advancing water presents an abrupt front of considerable height. In shallow estuaries where the range of tide is large, the high water is propagated inward faster than the low water because of the greater depth at high water. If the high water overtakes the low water, an abrupt front is presented with the...
Page 5-21 - Places, other than ports of entry, at which customs officers or employees are stationed under the authority contained in article IX of the President's message...
Page 5-21 - In maritime law, the word ship is equivalent to vessel, and it is not the form, the construction, the rig, the equipment, or the means of propulsion that makes a ship, but the purpose and business of the craft as an instrument of marine transportation. See deep-draft and small craft. shoal: An elevation of the bottom composed of unconsolidated ( soft ) material (ie, any material other than rock or coral) which constitutes a danger to surface vessels. As a guideline, shoals may be considered to be...
Page 5-21 - Pacific coast. (See rock, rock awash, and submerged rock. ) barrel: A unit of volume or weight, the US petroleum value being 42 US gallons, (ie, there are 42 US gallons in a barrel of fuel oil ) . There are 6.7 barrels of Bunker C in a 2,240-pound ton. bayou: Generally, a minor, sluggish waterway or estuarial creek, generally tidal or with a slow or imperceptible current, and with its course generally through lowlands or swamps tributary to, or connecting with, other bodies of water. Also called...
Page 5-21 - fin" that extends beneath the keel at the stern of small craft to increase the stability of the craft with respect to yawing; it may extend abaft the keel and protect the propeller from the ground.
Page 5-21 - Kona' is of Polynesian origin and means leeward. It refers to the southerly winds and accompanying weather on the normally leeward slopes of the principal Hawaiian Islands which because of the wind shift, have temporarily become the windward slopes. "The Konas, which occur most frequently during the, months of October through April, provide the major climatic variations of the Hawaiian Islands.
Page 5-21 - ... Data Sheets. HOLDFAST . (1) Flattened disklike tip of a tendril, used in attachment; (2) basal part of an algal THALLUS, which attaches it to a solid object; may be unicellular or composed of a mass of tissue. (18) HOLDING GROUND. The condition of the bottom of an anchorage area; called good or bad according to whether or not the material of which the bottom is composed will prevent a ship's anchor from dragging. (27) HOLME SUCTION GRAB. In this device the force required to suck in a sample of...
Page 2-6 - The National Ocean Survey Coast Pilots are a series of nine nautical books that cover a wide variety of information important to navigators of US coastal and intracoastal waters, and waters of the Great Lakes.
Page 5-21 - Strength of current. — Phase of tidal current in which the velocity is a maximum; also the velocity at this time. Beginning with the slack before flood in the period of a reversing tidal current, the velocity gradually increases to the...

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