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IHO PORTAL
Internationl Hydrographic Organization
  • About IHO
    • Staff
    • About
    • Member States
    • Basic Documents
    • Circular Letters
    • Assembly
    • Council
    • Finance Information
    • IHO Strategic Plan and Work Programme
    • Projects & Initiatives
    • External Liaisons
    • IHO Disclaimer
    • Spanish Content
    • Visit Us
  • Inter-Regional Coordination
    • Inter-Regional Coordination Committee (IRCC)
    • Regional Hydrographic Commissions (RHCs)
    • Capacity Building & Technical Cooperation
    • Education & Programme Recognition
  • Services & Standards
    • Hydrographic Services & Standards Committee (HSSC)
    • Scope of Standardization Activities
    • ENC & ECDIS
    • S-100 Universal Hydrographic Data Model
    • ENC & ECDIS TEST
  • Publications
    • Index of IHO Publications
    • International Hydrographic Review
    • IHO Bulletin
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There are 356 results for “sea” in All


Basic Commission Documents

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ARHC Intersessional VTC-01 Meeting (2020)

ARHC Intersessional VTC-01 Meeting 29 April 2020 Last Update: 26 May 2020

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ARHC13 (2023)

13th ARHC Meeting and Open Forum Nuuk, Greenland, Denmark 5 - 7 September 2023 Last Update: 13 November 2023

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MBSHC Letters

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Content

Crowdsourced Bathymetry

Crowdsourced bathymetry (CSB) is the collection and sharing of depth measurements from vessels, using standard navigation instruments, while engaged in routine maritime operations.  CSB test tracks (in green) collected by NOAA’s Bay Hydro II and overlaid on hydrographic survey data, demonstrates how changes can be detected. Image courtesy of NOAA.  

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North Indian Ocean HC

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East Asia HC

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US / Canada HC

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External Liaisons

Inter-Governmental Organizations and Non-Governmental Organizations are recognized as observers to be invited to meetings of the Assembly and all subsidiary organs and subordinate bodies of the IHO in which they have an interest and to which they can make a contribution. The IHO maintains a substantive number of Memoranda of Understanding and Co-operative Agreements with relevant organizations active in the maritime domain.

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News

Ex Abyssis ad Alta – IHO Award for Hydrographic Excellence 2025
News
Ex Abyssis ad Alta – IHO Award for Hydrographic Excellence 2025
Seabed Mapping: Enabling Ocean Action - World Hydrography Day 2025
News
Seabed Mapping: Enabling Ocean Action - World Hydrography Day 2025
News archive

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