enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Mooring (oceanography) - Wikipedia

   en.wikipedia.org/wiki/Mooring_(oceanography)

   The weight is released by sending a coded acoustic command signal and stays on the ground. Deep water anchors are typically made from steel and may be as large as 100 kg. A common deep water anchor consists of a stack of 2–4 railroad wheels. In shallow waters anchors may consist of a concrete block or small portable anchor.

3. Anchor - Wikipedia

   en.wikipedia.org/wiki/Anchor

   The elements of anchoring gear include the anchor, the cable (also called a rode), the method of attaching the two together, the method of attaching the cable to the ship, charts, and a method of learning the depth of the water. Vessels may carry a number of anchors: bower anchors are the main anchors used by a vessel and normally carried at ...

4. Breakwater (structure) - Wikipedia

   en.wikipedia.org/wiki/Breakwater_(structure)

   Breakwaters may also be small structures designed to protect a gently sloping beach to reduce coastal erosion; they are placed 100–300 feet (30–90 m) offshore in relatively shallow water. An anchorage is only safe if ships anchored there are protected from the force of powerful waves by some large structure which they can shelter behind.

5. Sea anchor - Wikipedia

   en.wikipedia.org/wiki/Sea_anchor

   A conical sea anchor with tripline (from an illustration in The Sailors Handbook by Halsey C. Herreshoff). An early wooden drogue. A sea anchor (also known as a parachute anchor, drift anchor, drift sock, para-anchor or boat brake) is a device that is streamed from a boat in heavy weather. Its purpose is to stabilize the vessel and to limit ...

6. Nautical chart - Wikipedia

   en.wikipedia.org/wiki/Nautical_chart

   Depending on the scale of the chart, it may show depths of water and heights of land , natural features of the seabed, details of the coastline, navigational hazards, locations of natural and human-made aids to navigation, information on tides and currents, local details of the Earth's magnetic field, and human-made structures such as harbours ...

7. Dynamic positioning - Wikipedia

   en.wikipedia.org/wiki/Dynamic_positioning

   The term digital anchor has been used to describe such dynamic positioning systems. [4]. The applications and availability depends on the type of work and water depth. The most common position reference systems (PRS) and position measuring systems (PME) are: GPS satellite in orbit. DGPS, Differential GPS. The position obtained by GPS is not ...