The International Hydrographic Organization (IHO) is an intergovernmental organisation representing hydrography. As of May 2024, the IHO comprised 100 member states.
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 development, security and defense, scientific research, and environmental protection.
A hydrographic office is an organization which is devoted to acquiring and publishing hydrographic information.
The Canadian Hydrographic Service (CHS) is part of the federal department of Fisheries and Oceans Canada and is Canada's authoritative hydrographic office. The CHS represents Canada in the International Hydrographic Organization (IHO).
The United Kingdom Hydrographic Office (UKHO) is the UK's agency for providing hydrographic and marine geospatial data to mariners and maritime organisations across the world. The UKHO is a trading fund of the Ministry of Defence (MoD) and is located in Taunton, Somerset, with a workforce of approximately 900 staff.
Admiralty charts are nautical charts issued by the United Kingdom Hydrographic Office (UKHO) and subject to Crown Copyright. Over 3,500 Standard Nautical Charts (SNCs) and 14,000 Electronic Navigational Charts (ENCs) are available with the Admiralty portfolio offering the widest official coverage of international shipping routes and ports, in varying detail.
The Naval Oceanographic Office (NAVOCEANO), located at John C. Stennis Space Center in south Mississippi, is an echelon IV component of the Naval Meteorology and Oceanography Command (NMOC) and comprises approximately 1,000 civilian, military and contract personnel responsible for providing oceanographic products and services to all elements within the Department of Defense.
The Australian Hydrographic Service is the Australian Commonwealth Government agency responsible for providing hydrographic services that meet Australia's obligations under the SOLAS convention and the national interest; enabling safe navigation, maritime trade and supporting protection of the marine environment. The agency, headquartered at the Australian Hydrographic Office in Wollongong, New South Wales, is an element of the Royal Australian Navy (RAN), and serves both military and civilian functions. The names Australian Hydrographic Service and the Australian Hydrographic Office are commonly abbreviated as AHS or AHO respectively.
Evelyn J. Fields is a rear admiral, retired, of the National Oceanic and Atmospheric Administration Commissioned Officer Corps, who served as the director of the Commissioned Officer Corps and director of NOAA's Office of Marine and Aviation Operations, from 1999 until her retirement in 2003. Fields was the first woman, and first African American to head the NOAA Corps.
The Office of Coast Survey is the official chartmaker of the United States. It is an element of the National Ocean Service in the National Oceanic and Atmospheric Administration, which is part of the United States Department of Commerce.
The Naval Hydrographic and Oceanographic Service is a French public establishment of an administrative nature administered by the Ministry of Defence. It is the successor to the Dépôt des cartes et plans de la Marine, founded in 1720 which became the Naval Hydrographic Service in 1886 and the Naval and Oceanographic Service in 1971. Its present form was set up by decree number 2007-800 on 11 May 2007. Its board is presided over by the Chief of Staff of the French Navy and the body is directed by a director-general.
The Hydrographer of the Navy is the principal hydrographical Royal Naval appointment. From 1795 until 2001, the post was responsible for the production of charts for the Royal Navy, and around this post grew the United Kingdom Hydrographic Office (UKHO).
Navy Captain Joseph Abulu was the first Military Administrator of Anambra State in Nigeria from 27 August 1991 to 1 January 1992 after the Enugu State had been split from the old Anambra during the military regime of General Ibrahim Babangida.
Rear-Admiral George Stephen Ritchie CB DSC was a British admiral noted for his cartographic and hydrographic work and as an author of many publications on hydrography. He was Hydrographer of the Navy from 1966-1971.
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 1962, replaced by the Naval Oceanographic Office.
Admiral Jal Cursetji, PVSM was a former Flag Officer in the Indian Navy. He served as the 8th Chief of the Naval Staff (CNS) from 1 March 1976 until 28 February 1979. He was the first hydrographer to serve as the CNS.
The National Hydrographic Office Pakistan', is an active-duty and non-combatant naval administrative staff command, and one of the major science and technology command of the Pakistan Navy. The command served as the operational scientific naval oceanographic program for the Government of Pakistan and jointly conducts research and development programs with civilian National Institute of Oceanography.
Gerd F. Glang is a former NOAA Corps rear admiral who last served as the director of the National Oceanic and Atmospheric Administration's Office of Coast Survey. In this position, he also concurrently served as the U.S. National Hydrographer and as one of the commissioners of the Mississippi River Commission. He was appointed by Acting Secretary of Commerce Rebecca Blank on August 13, 2012, after nomination by President Barack Obama, and confirmation by the U.S. Senate. He retired from the NOAA Corps on August 26, 2016 after over 32 years of combined uniformed service.
The Russian Hydrographic Service, full current official name Department of Navigation and Oceanography of the Ministry of Defence of the Russian Federation, is Russia's hydrographic office, with responsibility to facilitate navigation, performing hydrographic surveys and publishing nautical charts.
Vice-Admiral Sir Archibald Day, was an officer in the Royal Navy and Hydrographer of the Navy from 1950-1955. He played an important part in planning the evacuation from Dunkirk in 1940, and wrote a history of the Hydrographic Service.
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