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Mean high water springs (MHWS) is the averaged highest level that spring tides reach over many years (often the last 19 years). Within this, to ensure anomalous levels are tempered, at least two successive high waters during the highest-tide 24 hours are taken.
The dates of spring tides and neap tides, approximately seven days apart, can be determined by the heights of the tides on the classic tide tables: a small range indicates neaps and large indicates springs. This cycle of tides is linked to the phases of the moon, with the highest tides (spring tides) occurring near full moon and new moon.
The East Coast Surfing Championships (ECSC) is an annual surfing contest held in late August in Virginia Beach, Virginia on the oceanfront, and is one of the United States Surfing Federation's major amateur events. The event originated in a summer 1962 beach and surf party organized by a group of teens at Gilgo Beach on Long Island, New York. [1]
In many parts of the world the tides approximate to a semi-diurnal sine curve, that is there are two high- and two low- tides per day. As an estimate then each period equates to 1 hour, with the tide rising by 1, 2, 3, 3, 2, finally 1 twelfths of its total range in each hour, from low tide to high tide in about 6 hours, then the tide is ...
Following low tide, visibility can be reduced as the ebb draws silt, mud, and other particulates with it. In areas with potentially dangerous tides and currents, it is standard practice for divers to plan a dive at slack times. For any vessel, a favourable flow will improve the vessel's speed over the bottom for a given speed in the water.
PINS is a nesting ground for the Kemp’s ridley sea turtle, the most endangered sea turtle species in the world, which nests on the beach from late April through mid-July. PINS is situated along the Central Flyway, Padre Island is a globally important area for over 380 migratory, overwintering, and resident bird species (nearly half of all ...
Padre Island is the longest undeveloped barrier island in the world. The national seashore is 70 miles (110 km) long with 65.5 miles (105.4 km) of Gulf beach. PAIS hosts a variety of pristine beach, dune, and tidal flat environments, [2] including the Laguna Madre on its west coast, a famous spot for windsurfing.
Malachite is a copper carbonate hydroxide mineral, with the formula Cu 2 CO 3 (OH) 2.This opaque, green-banded mineral crystallizes in the monoclinic crystal system, and most often forms botryoidal, fibrous, or stalagmitic masses, in fractures and deep, underground spaces, where the water table and hydrothermal fluids provide the means for chemical precipitation.