Wednesday, June 15, 2011

Relevant Data Provided By Nautical Charts In Florida by on sports, outdoors, recreation, fishing, boating

Relevant Data Provided By Nautical Charts In Florida


by Jillian French


Nautical charts Florida provide important data that is useful to many mariners. The graphic display of coastal zones and seas can be effectively interpreted. Many maps show land heights, navigational hazards, navigational aids, seabed features and water depths. Others also include details about the Earth's magnetic field, as well as currents and tidal information. Man-made structures, like bridges, buildings and harbors are also represented on the maps.

These maps are essential tools for mariners. Many countries require vessels to carry them on-board. In addition to printed materials, electronic navigational aids are often used. Many sailors use on-demand maps. They can be downloaded, and provide the most current information as they are constantly updated. These are effective in communicating potentially dangerous situations and warnings to mariners.

Hydrographic surveys provide the data for these maps. The process is often time-consuming, and involves the use of echo-location. This device can measure the depths of seabeds and other submerged features. Upon encountering a sunken ship-wreck and other hazards, an additional safety measure is taken. Experts use a submerged section of wire to sweep the area in order to ensure hidden projections, such as masts, do not pose dangers to passing ships.

Many countries have national hydrographic offices. These organizations release official maritime maps. Unofficial releases are distributed by commercial publishers. They tend to include specialized information, such as data specifically useful for yacht skippers. The International Hydrographic Organization has been coordinating the release of a reliable world-wide system of maps.

There are several organizations that offer free marine maps. One of the global mapping groups is BlooSee. They also offer a social networking site and mobile app for sea-lovers. They provide details about the Pacific Ocean, Brazil, New Zealand and the United States. Their data is gathered from surfers, divers, sailors, kayakers and other water-people.

In connection with OpenStreetMap, the OpenSeaMap project uses images from Google maps. They incorporate data from many hydrographic surveys into a layered projection. Other features can be accessed online, such as voyage planning, route monitoring, and distance and bearing calculations.

A crowd-sourced project is sponsored by TeamSurv. Mariners from around the globe upload their compass headings, depth sounder data, global positioning location and sea surface temperatures. Following the uploads, a server performs quality checks before posting the data.

Nautical charts Florida are valuable to many sea-lovers. With a variety of resources and continual updating, they offer mariners accurate, relevant information to help enhance safety and performance. Read more about: nautical charts florida




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