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{{short description|Intergovernmental organization}}
{{redir|IHO}}
{{Use dmy dates|date=June 2019}}
{{Infobox Organization
|name = International Hydrographic Organization<br>Organisation hydrographique internationale <small>{{fr icon}}</small>
|image = IHO logo.png
|size = 100px
|map = IHO Members.svg
|mcaption = <div style="padding-left:1em; text-align:left; font-size:110%;">{{legend|#004080|Member states}} {{legend|#800000|Approved, but awaiting membership}} {{legend|#008000|Membership applications}}</div>
|formation = 21 June 1921
|headquarters = International Hydrographic Bureau
|location = ]
|membership = 81 States
|language = ], ]
|leader_title = Directing Committee
|leader_name = Robert Ward (Australia) President


{{Infobox organization
Mustafa Iptes (Turkey) Director - Regional Coordination Programme
| name = International {{nowr|Hydrographic Organization}}

| native_name = Organisation hydrographique internationale
Gilles Bessero (France) Director - Technical Programme
| native_name_lang = fr
|website = http://www.iho.int/
| image = International Hydrographic Organization logo.png
| image_size = 260
| abbreviation = IHO
| founded = {{start date and age|1921|06|21|df=y|br=y}}
| location = ]
| membership = 100 member states, but 2 suspended (])
| languages = ], ]
| leader_title = {{nowr|Secretary-General}}
| leader_name = Dr. Mathias Jonas
| website = {{URL|https://iho.int/}}
}} }}


The '''International Hydrographic Organization''' ('''IHO''') (French: ''Organisation Hydrographique Internationale'') is an ] representing ].<ref>{{Cite web|url=https://hydro-international.com/content/article/first-assembly-of-the-international-hydrographic-organization-iho|title=First Assembly of the International Hydrographic Organization (IHO)|website=hydro-international.com|language=en|access-date=2019-04-17}}</ref><ref>{{Cite web|url=https://www.marinemec.com/news/view,imo-takes-the-enavigation-reins_57139.htm|title=IMO takes the e-navigation reins|date=11 March 2019|first=Martyn|last=Wingrove|work=Maritime Digitalisation & Communications|access-date=2019-04-17|archive-date=17 April 2019|archive-url=https://web.archive.org/web/20190417080944/https://www.marinemec.com/news/view,imo-takes-the-enavigation-reins_57139.htm|url-status=dead}}</ref> {{As of|May 2024}}, the IHO comprised 100 member states.
The '''International Hydrographic Organization''' ('''IHO''') is the ] representing the ] community. It enjoys observer status at the ] where it is the recognised competent authority on hydrographic surveying and ]ing. When referring to hydrography and nautical charting in Conventions and similar Instruments, it is the IHO standards and specifications that are normally used.


A principal aim of the IHO is to ensure that the world's seas, oceans and navigable waters are properly surveyed and charted. It does this through the setting of ]s for hydrographic surveys, the co-ordination of the endeavors of the world's national hydrographic offices, and through its capacity building program.
==History==
The IHO was established in 1921 as the '''International Hydrographic Bureau''' (IHB). The present name was adopted in 1970 as part of a new international Convention on the IHO adopted by the then member nations. The former name International Hydrographic Bureau was retained to describe the IHO secretariat comprising three elected Directors and a small staff at the Organization's headquarters in Monaco.


The IHO enjoys observer status at the ], where it is the recognized competent authority on ]ing and ]ing.<ref name=":1">{{Cite web |last=(The International Hydrographic Organization) |first=wpe |date=July 26, 2018 |title=International Hydrographic Organization Brochure |url=https://iho.int/iho_pubs/misc/OHIBrochure_Eng.pdf |url-status=live |archive-url=https://web.archive.org/web/20181130203101/https://iho.int/iho_pubs/misc/OHIBrochure_Eng.pdf |archive-date=30 November 2018 |access-date=May 14, 2022 |website=International Hydrographic Organization}}</ref> When referring to hydrography and nautical charting in conventions and similar instruments, it is the IHO standards and specifications that are normally used.
During the 19th century, many maritime nations established hydrographic offices to provide means for improving the navigation of naval and merchant ]s by providing nautical publications, nautical charts, and other ]al services. There were substantial differences in hydrographic procedures charts, and publications. In 1889, an International Marine Conference was held at ], and it was proposed to establish a "permanent international commission." Similar proposals were made at the sessions of the International Congress of Navigation held at ] in 1908 and again in 1912.


== History ==
In 1919 the hydrographers of Great Britain and France cooperated in taking the necessary steps to convene an international conference of hydrographers. London was selected as the most suitable place for this conference, and on 24 July 1919, the First International Conference opened, attended by the hydrographers of 24 nations. The object of the conference was "To consider the advisability of all maritime nations adopting similar methods in preparation, construction, and production of their charts and all hydrographic publications; of rendering the results in the most convenient form to enable them to be readily used; of instituting a prompt system of mutual exchange of hydrographic information between all countries; and of providing an opportunity to consultations and discussions to be carried out on hydrographic subjects generally by the hydrographic experts of the world." This is still the major purpose of IHO.
During the 19th century, many maritime nations established hydrographic offices to provide means for improving the navigation of naval and merchant ] by providing nautical publications, nautical charts, and other ]al services. There were substantial differences in hydrographic procedures charts, and publications. In 1889, an International Maritime Conference was held at ], and it was proposed to establish a "permanent international commission." Similar proposals were made at the sessions of the International Congress of Navigation held at ] in 1908 and the International Maritime Conference held at ] in 1912.<ref>{{Cite book |last1=International Congress of Navigation (11th : 1908 : St. Petersburg) |url=https://archive.org/details/reportproceed00interich/page/6/mode/2up |title=Report of proceedings |last2=Permanent International Association of Navigation Congresses |date=1908 |publisher=Brussels |others=University of California Libraries}}</ref>


In 1919, the national ] of Great Britain and France cooperated in taking the necessary steps to convene an international conference of Hydrographers. London was selected as the most suitable place for this conference, and on 24 July 1919, the First International Conference opened, attended by the Hydrographers of 24 nations. The object of the conference was "To consider the advisability of all maritime nations adopting similar methods in preparation, construction, and production of their charts and all hydrographic publications; of rendering the results in the most convenient form to enable them to be readily used; of instituting a prompt system of mutual exchange of hydrographic information between all countries; and of providing an opportunity to consultations and discussions to be carried out on hydrographic subjects generally by the hydrographic experts of the world." This is still the major purpose of the IHO.<ref name=":0">{{Cite web |title=International Hydrographic Organization |url=https://www.hydro-international.com/content/article/international-hydrographic-organization |access-date=2024-11-30 |website=www.hydro-international.com |language=en}}</ref>
As a result of the conference, a permanent organization was formed and statutes for its operations were prepared. The IHB, now the IHO, began its activities in 1921 with 18 nations as members. The Principality of Monaco was selected because of its easy communication with the rest of the world and also because of the generous offer of ] to provide suitable accommodations for the Bureau in the Principality.


As a result of the 1919 Conference, a permanent organization was formed and statutes for its operations were prepared. The IHB, now the IHO, began its activities in 1921 with 18 nations as members. The ] was selected as the seat of the Organization as a result of the offer of ] to provide suitable accommodation for the Bureau in the Principality.<ref name=":0" />
==Functions==
The principal work undertaken by the IHO is:
*To bring about a close and permanent association between national hydrographic offices.
*To study matters relating to ] and allied sciences and techniques.
*To further the exchange of nautical charts and documents between hydrographic officers of member governments.
*To tender guidance and advice upon request, in particular to countries engaged in setting up or expanding their hydrographic service.
*To encourage coordination of hydrographic surveys with relevant oceanographic activities.
*To extend and facilitate the application of oceanographic knowledge for the benefit of navigators.
*To cooperate with international organizations and scientific institutions which have related objectives.


The International Hydrographic Organization (IHO) was established in June 1921 as the International Hydrographic Bureau (IHB), with Vice Admiral Sir John Parry, KCB of the United Kingdom serving as its first President.<ref>{{Cite journal |last=Maschke |first=John |date=August 1999 |title=The International Hydrographic Organization - an effective international regime? |journal=Maritime Studies |issue=107 |pages=9–19 |doi=10.1080/07266472.1999.10878569 |url=https://www.tandfonline.com/doi/abs/10.1080/07266472.1999.10878569 }}</ref><ref name=":2">{{Cite journal |last=Bermejo Baró |first=Federico |year=2019 |title=The IHO and its Secretariat - an updated history - |url=https://iho.int/uploads/user/pubs/misc/M-10_2019_EN.pdf |journal=IHO Publication M-10 |pages=49–53}}</ref> In 1970, under the leadership of Guy Chatel of France, the organization adopted its current name as part of a new International Convention on the IHO, which was agreed upon by its member nations.<ref name=":2" /> The term "International Hydrographic Bureau" continued to describe the IHO's secretariat until 8 November 2016, when a major revision to the Convention took effect. Following this change, the secretariat was renamed the "IHO Secretariat," which consists of an elected Secretary-General, two supporting Directors, and a small permanent staff (18 in 2020) at the Organization’s headquarters in Monaco.<ref name=":1" />
The IHO develops hydrographic and nautical charting standards to be agreed upon by its Member States. All Member States then follow those standards in their surveys, nautical charts, and publications. The almost universal use of the standards means that the products and services from the world's hydrographic and oceanographic offices are increasingly consistent and recognisable for all seafarers and for other users. Much has been done in the field of standardisation since the Bureau (now the IHO) was founded.


==Publications== == Structure ==
Until 2016 the IHO was administered by a secretariat headed by a Directing Committee comprising a President and two Directors. Since 8 November 2016, upon the entry in to force of revisions to the Convention on the IHO, the secretariat is headed by a Secretary-General, supported by two Directors, with Australia's Robert Ward serving as the first Secretary-General.<ref name=":2" /> As before, all three senior members of the secretariat continue to be elected to their positions by the Member States at the regular Assembly of the IHO (formerly, IHO Conferences).
Most IHO publications, including the standards, guidelines and associated documents such as the International Hydrographic Review, International Hydrographic Bulletin, the Hydrographic Dictionary and the Year book are available to the general public free from the IHO website.
The secretariat staff comprise a number of technical specialists, administrators, and support personnel. The bulk of the IHO's technical and specialist expertise comes from Member States' personnel, often assisted by invited industry experts, who all provide technical contributions through participation in various IHO committees and working groups.
A Council, comprising a sub-set of all the IHO Member States, meets annually and oversees the work of the IHO. A full description, together with details of the workings of all the organs of the IHO is available on the IHO website: www.iho.int <ref>{{Cite journal |last=Maschke |first=John |date=July 1999 |title=The International Hydrographic Organization – an effective international regime? |url=https://doi.org/10.1080/07266472.1999.10878569 |journal=Maritime Studies|issue=107 |pages=9–19 |doi=10.1080/07266472.1999.10878569 }}</ref><ref>IHO website: www.iho.int</ref>


== Functions ==
The IHO publishes the international standards related to charting and hydrography, including S-57 ''IHO Transfer Standard for Digital Hydrographic Data'', the encoding standard that is used primarily for ]s. The IHO has introduced (January 2010) a new, contemporary hydrographic geospatial standard for modelling marine data and information, known as S-100. S-100 and any dependent product specifications are underpinned by an on-line registry available via the IHO website. S-100 is aligned with the ISO 19100 series of geographic standards, thereby making it fully compatible with contemporary geospatial data standards. Because S-100 is based on ISO 19100, it can be used by other data providers for their maritime related (non-hydrographic) data and information. This is already beginning to occur (2011) with various would-be data providers preparing themselves for the advent of the ] concept currently under active discussion in the UN ] (IMO).


==Member states== === Training ===
The IHO ensures the safety of maritime navigation by developing hydrographic survey capability and nautical charting standards.<ref>{{Cite web |date=2024-01-16 |title=The Role of the International Hydrographic Organization - Terminautical |url=https://terminautical.com/the-role-of-the-international-hydrographic-organization/#functions-of-the-international-hydrographic-organization |access-date=2024-11-30 |language=en-US}}</ref> To develop and standardize its member states' hydrographic survey capabilities, the IHO worked with the International Federation of Surveyors (Fédération Internationale des Géomètres) and the International Cartographic Association (ICA) to create the IHO's Standards of Competence.<ref name=":0" /> These standards are used to educate and train member states' respective hydrographic offices and nautical chart makers. Additionally, the IHO also creates syllabi higher education institutions who teach hydrography and nautical navigation. The IHO also has an Advisory Board which is tasked with supervising and approving member states' education and training programs.<ref name=":0" />
The following countries are members of the IHO:

=== Standardization ===
<table>
Since 1968, the IHO has regularly published updated editions of the Standards of Hydrographic Surveys, with the most recent being published in 2008. <ref name=":0" /><ref name=":3">{{Citation |title=IHO Transfer Standard for Digital Hydrographic Data (S-57) International Hydrographic Organization |date=1997 |work=Spatial Database Transfer Standards 2: Characteristics for Assessing Standards and Full Descriptions of the National and International Standards in the World |pages=355–368 |url=http://dx.doi.org/10.1016/b978-008042433-0/50029-0 |access-date=2024-11-30 |publisher=Elsevier |isbn=978-0-08-042433-0}}</ref> Each of these publications was designed to incorporate technological advancements and international shipping demands. This is especially true with regards to the rise of electronic navigation equipment in the 1980s.<ref name=":0" />
<tr>

<td valign=top>
The IHO also works to standardize the specifications, style, and symbols used in producing nautical charts.<ref name=":0" /> In 1971, the IHO was able to get its member states to use one single chart series, also known as INT charts.<ref name=":0" /> According to this IHO agreement, if one member state wants to publish a chart for an area covered by another member's existing chart, the duplicate must be created using the same data as the original chart. IHO Publication M-4, which was published in 1984, set specific international standards for nautical charts.<ref name=":0" />
*]

*]
The advent of the Electronic Chart Display and Information System (ECDIS) made it clear to the IHO it also needed to standardize how electronic navigational data is transferred and displayed on ships. Electronic chart data was standardized and categorized in an international database referred to as Electronic Navigational Charts (ENCs). The way this data is transferred from publishers to users was also standardized, as was the display and capabilities of the ECDIS.<ref name=":0" />
*]

*]
=== International Cooperation ===
*]
The IHO has encouraged the formation of Regional Hydrographic Commissions (RHCs). Each RHC coordinates the national surveying and charting activities of countries within each region and acts as a forum to address other matters of common hydrographic interest. The 15 RHCs plus the IHO Hydrographic Commission on Antarctica effectively cover the world. The IHO, in partnership with the Intergovernmental Oceanographic Commission, directs the ] program.<ref name=":0" />
*]

*]
=== Achievements ===
*]
Establishment of the Chart Specifications Committee and International Charts:
*]
# The exploration of the seabed and movements of the sea
*]
# ] of maritime measurements, hydrographic terminology, marine ] products, and geographical information systems for navigation
*China
# High efficiency of the rapid dissemination of information on safety at sea
*]
# Training of hydrographers and nautical cartographers
*] (suspended)

*]
== Publications ==
*]
Most IHO publications, including the standards, guidelines and associated documents such as the ''International Hydrographic Review'', ''International Hydrographic Bulletin'', the ''Hydrographic Dictionary'' and the ''Year Book'' are available to the general public free of charge from the IHO website.<ref>{{Cite web |title=IHO Publications |url=https://www.hydro-international.com/content/article/iho-publications |access-date=2024-12-05 |website=www.hydro-international.com |language=en}}</ref> The IHO publishes the international standards related to charting and hydrography, including S-57, ''IHO Transfer Standard for Digital Hydrographic Data'', the encoding standard that is used primarily for ]s.<ref name=":3" />
*]

*]
In 2010, the IHO introduced a new, contemporary hydrographic geospatial standard for modelling marine data and information, known as S-100. S-100 and any dependent product specifications are underpinned by an on-line registry accessible via the IHO website. S-100 is aligned with the ] series of geographic standards, thereby making it fully compatible with contemporary ] standards.<ref name=":4">{{Cite book |title=IHO S-100: Universal Hydrographic Data Model |date=2017 |publisher=International Hydrographic Organization |year=2017}}</ref>
*] (suspended)

*]
Because S-100 is based on ISO 19100, it can be used by other data providers for their maritime-related (non-hydrographic) data and information. Various data and information providers from both the government and private sector are now using S-100 as part of the implementation of the ] concept that has been endorsed by the UN ] (IMO).<ref name=":4" />
*]

*]
Another in the series of publications of interest is S-23, ''Limits of Oceans and Seas''. The 3rd edition dates back to 1953<ref>{{cite web |url=https://iho.int/uploads/user/pubs/standards/s-23/S-23_Ed3_1953_EN.pdf |title=Limits of Oceans and Seas, 3rd edition |year=1953 |publisher=International Hydrographic Organization |access-date=26 May 2020 }}</ref> while the potential 4th edition, started in 1986, has remained a draft since 2002.<ref>{{cite web |title=Limits of Oceans and Seas, Draft 4th Edition |year=2002 |publisher=International Hydrographic Organization |access-date=8 January 2021 |url=https://legacy.iho.int/mtg_docs/com_wg/S-23WG/S-23WG_Misc/Draft_2002/Draft_2002.htm }}</ref> It was distributed to IHO members, but its official publication has been suspended pending agreement between ] and ] regarding the international standard name of the sea called "]" in the 1953 edition.<ref>{{cite journal |url=https://www.researchgate.net/publication/260104508 |last1=Fourcy |first1=Damien |last2=Lorvelec |first2=Olivier |year=2013 |title=A New Digital Map of Limits of Oceans and Seas Consistent with High-Resolution Global Shorelines |journal=] |volume=29 |issue=2 |pages=471–477 |doi=10.2112/JCOASTRES-D-12-00079.1 |jstor=23353643 |s2cid=130458375 }}</ref>
*]
*]
*]
*]
*]
*]
*]
</td><td valign=top>
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
</td><td valign=top>
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*]
*] (], ], ])
*]
</td></tr>
</table>


== See also == == See also ==
* ]
* ]
* ]
* ]


== References == == Footnotes ==
{{reflist}} {{reflist}}


== External links == == External links ==
* {{official website|https://iho.int/}}
*
*


{{Authority control}}
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Latest revision as of 00:09, 6 December 2024

Intergovernmental organization

International Hydrographic Organization
Organisation hydrographique internationale
AbbreviationIHO
Founded21 June 1921;
103 years ago (1921-06-21)
Location
Membership100 member states, but 2 suspended (see list)
Official languages English, French
Secretary-GeneralDr. Mathias Jonas
Websiteiho.int

The International Hydrographic Organization (IHO) (French: Organisation Hydrographique Internationale) is an intergovernmental organization representing hydrography. 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 charted. It does this through the setting of international standards for hydrographic surveys, the co-ordination of the endeavors of the world's national hydrographic offices, and through its capacity building program.

The IHO enjoys observer status at the United Nations, where it is the recognized competent authority on hydrographic surveying and nautical charting. When referring to hydrography and nautical charting in conventions and similar instruments, it is the IHO standards and specifications that are normally used.

History

During the 19th century, many maritime nations established hydrographic offices to provide means for improving the navigation of naval and merchant vessels by providing nautical publications, nautical charts, and other navigational services. There were substantial differences in hydrographic procedures charts, and publications. In 1889, an International Maritime Conference was held at Washington, D.C., and it was proposed to establish a "permanent international commission." Similar proposals were made at the sessions of the International Congress of Navigation held at Saint Petersburg in 1908 and the International Maritime Conference held at Saint Petersburg in 1912.

In 1919, the national Hydrographers of Great Britain and France cooperated in taking the necessary steps to convene an international conference of Hydrographers. London was selected as the most suitable place for this conference, and on 24 July 1919, the First International Conference opened, attended by the Hydrographers of 24 nations. The object of the conference was "To consider the advisability of all maritime nations adopting similar methods in preparation, construction, and production of their charts and all hydrographic publications; of rendering the results in the most convenient form to enable them to be readily used; of instituting a prompt system of mutual exchange of hydrographic information between all countries; and of providing an opportunity to consultations and discussions to be carried out on hydrographic subjects generally by the hydrographic experts of the world." This is still the major purpose of the IHO.

As a result of the 1919 Conference, a permanent organization was formed and statutes for its operations were prepared. The IHB, now the IHO, began its activities in 1921 with 18 nations as members. The Principality of Monaco was selected as the seat of the Organization as a result of the offer of Albert I of Monaco to provide suitable accommodation for the Bureau in the Principality.

The International Hydrographic Organization (IHO) was established in June 1921 as the International Hydrographic Bureau (IHB), with Vice Admiral Sir John Parry, KCB of the United Kingdom serving as its first President. In 1970, under the leadership of Guy Chatel of France, the organization adopted its current name as part of a new International Convention on the IHO, which was agreed upon by its member nations. The term "International Hydrographic Bureau" continued to describe the IHO's secretariat until 8 November 2016, when a major revision to the Convention took effect. Following this change, the secretariat was renamed the "IHO Secretariat," which consists of an elected Secretary-General, two supporting Directors, and a small permanent staff (18 in 2020) at the Organization’s headquarters in Monaco.

Structure

Until 2016 the IHO was administered by a secretariat headed by a Directing Committee comprising a President and two Directors. Since 8 November 2016, upon the entry in to force of revisions to the Convention on the IHO, the secretariat is headed by a Secretary-General, supported by two Directors, with Australia's Robert Ward serving as the first Secretary-General. As before, all three senior members of the secretariat continue to be elected to their positions by the Member States at the regular Assembly of the IHO (formerly, IHO Conferences). The secretariat staff comprise a number of technical specialists, administrators, and support personnel. The bulk of the IHO's technical and specialist expertise comes from Member States' personnel, often assisted by invited industry experts, who all provide technical contributions through participation in various IHO committees and working groups. A Council, comprising a sub-set of all the IHO Member States, meets annually and oversees the work of the IHO. A full description, together with details of the workings of all the organs of the IHO is available on the IHO website: www.iho.int

Functions

Training

The IHO ensures the safety of maritime navigation by developing hydrographic survey capability and nautical charting standards. To develop and standardize its member states' hydrographic survey capabilities, the IHO worked with the International Federation of Surveyors (Fédération Internationale des Géomètres) and the International Cartographic Association (ICA) to create the IHO's Standards of Competence. These standards are used to educate and train member states' respective hydrographic offices and nautical chart makers. Additionally, the IHO also creates syllabi higher education institutions who teach hydrography and nautical navigation. The IHO also has an Advisory Board which is tasked with supervising and approving member states' education and training programs.

Standardization

Since 1968, the IHO has regularly published updated editions of the Standards of Hydrographic Surveys, with the most recent being published in 2008. Each of these publications was designed to incorporate technological advancements and international shipping demands. This is especially true with regards to the rise of electronic navigation equipment in the 1980s.

The IHO also works to standardize the specifications, style, and symbols used in producing nautical charts. In 1971, the IHO was able to get its member states to use one single chart series, also known as INT charts. According to this IHO agreement, if one member state wants to publish a chart for an area covered by another member's existing chart, the duplicate must be created using the same data as the original chart. IHO Publication M-4, which was published in 1984, set specific international standards for nautical charts.

The advent of the Electronic Chart Display and Information System (ECDIS) made it clear to the IHO it also needed to standardize how electronic navigational data is transferred and displayed on ships. Electronic chart data was standardized and categorized in an international database referred to as Electronic Navigational Charts (ENCs). The way this data is transferred from publishers to users was also standardized, as was the display and capabilities of the ECDIS.

International Cooperation

The IHO has encouraged the formation of Regional Hydrographic Commissions (RHCs). Each RHC coordinates the national surveying and charting activities of countries within each region and acts as a forum to address other matters of common hydrographic interest. The 15 RHCs plus the IHO Hydrographic Commission on Antarctica effectively cover the world. The IHO, in partnership with the Intergovernmental Oceanographic Commission, directs the General Bathymetric Chart of the Oceans program.

Achievements

Establishment of the Chart Specifications Committee and International Charts:

  1. The exploration of the seabed and movements of the sea
  2. Standardization of maritime measurements, hydrographic terminology, marine cartographic products, and geographical information systems for navigation
  3. High efficiency of the rapid dissemination of information on safety at sea
  4. Training of hydrographers and nautical cartographers

Publications

Most IHO publications, including the standards, guidelines and associated documents such as the International Hydrographic Review, International Hydrographic Bulletin, the Hydrographic Dictionary and the Year Book are available to the general public free of charge from the IHO website. The IHO publishes the international standards related to charting and hydrography, including S-57, IHO Transfer Standard for Digital Hydrographic Data, the encoding standard that is used primarily for electronic navigational charts.

In 2010, the IHO introduced a new, contemporary hydrographic geospatial standard for modelling marine data and information, known as S-100. S-100 and any dependent product specifications are underpinned by an on-line registry accessible via the IHO website. S-100 is aligned with the ISO 19100 series of geographic standards, thereby making it fully compatible with contemporary geospatial data standards.

Because S-100 is based on ISO 19100, it can be used by other data providers for their maritime-related (non-hydrographic) data and information. Various data and information providers from both the government and private sector are now using S-100 as part of the implementation of the e-Navigation concept that has been endorsed by the UN International Maritime Organization (IMO).

Another in the series of publications of interest is S-23, Limits of Oceans and Seas. The 3rd edition dates back to 1953 while the potential 4th edition, started in 1986, has remained a draft since 2002. It was distributed to IHO members, but its official publication has been suspended pending agreement between South Korea and Japan regarding the international standard name of the sea called "Japan Sea" in the 1953 edition.

See also

Footnotes

  1. "First Assembly of the International Hydrographic Organization (IHO)". hydro-international.com. Retrieved 17 April 2019.
  2. Wingrove, Martyn (11 March 2019). "IMO takes the e-navigation reins". Maritime Digitalisation & Communications. Archived from the original on 17 April 2019. Retrieved 17 April 2019.
  3. ^ (The International Hydrographic Organization), wpe (26 July 2018). "International Hydrographic Organization Brochure" (PDF). International Hydrographic Organization. Archived (PDF) from the original on 30 November 2018. Retrieved 14 May 2022.
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