Search results
Results From The WOW.Com Content Network
Hydrographic survey is the science of measurement and description of features which affect maritime navigation, marine construction, dredging, offshore wind farms, offshore oil exploration and drilling and related activities. Surveys may also be conducted to determine the route of subsea cables such as telecommunications cables, cables ...
A nautical chart or hydrographic chart is a graphic representation of a sea region or water body and adjacent coasts or banks. Depending on the scale of the chart, it may show depths of water ( bathymetry) and heights of land ( topography ), natural features of the seabed, details of the coastline, navigational hazards, locations of natural and ...
Hydrography is the branch of applied sciences which deals with the measurement and description of the physical features of oceans, seas, coastal areas, lakes and rivers, as well as with the prediction of their change over time, for the primary purpose of safety of navigation and in support of all other marine activities, including economic ...
U.S. National Geodetic Survey. The National Geodetic Survey ( NGS) is a United States federal agency based in Washington, D.C. that defines and manages a national coordinate system, providing the foundation for transportation and communication, mapping and charting, and a large number of science and engineering applications.
Hydrographic office. A hydrographic office is an organization which is devoted to acquiring and publishing hydrographic information. Historically, the main tasks of hydrographic offices were the conduction of hydrographic surveys and the publication of nautical charts. In many countries, various navigation -related services are now concentrated ...
The International Hydrographic Organization ( IHO) (French: Organisation hydrographique internationale) is an intergovernmental organisation representing hydrography. [1] [2] As of May 2024, the IHO comprised 100 member states. A principal aim of the IHO is to ensure that the world's seas, oceans and navigable waters are properly surveyed and ...
The United States Hydrographic Office ( USHO) prepared and published maps, charts, and nautical books required in navigation . The office was established by an act of 21 June 1866 as part of the Bureau of Navigation, Department of the Navy . It was transferred to the Department of Defense on 10 August 1949. The office was abolished on 10 July ...
Hydrographics (printing), a printing technique for three-dimensional objects. Hydrographic Department, UK agency for providing hydrographic and marine geospatial data. Hydrographic surveys, science of measurement and description of features which affect maritime navigation, construction, dredging, oil exploration, and drilling. Atlas ...