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TWCWG - Tidal Data Sets Analysis

Results of Analysis of Data Sets

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IHO C-55

The purpose of IHO C-55 Publication (available here) "Status of Hydrographic Surveying and Charting Worldwide" is to provide base data for governments and supporting international organizations as they consider the best means by which to implement responsibilities set out in Chapter V, Regulation 9, of the Safety of Life at Sea (SOLAS) Convention. It also informs IHO input to the United Nations Global Maritime Assessment. 

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NIPWG Product Specifications

NAUTICAL INFORMATION PROVISION Working Group (In English Only)  

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News

Using hydrography to adapt to a changing ocean

The marine environment is constantly changing, whether due to variations in the climate, extreme environmental events, or simply the natural movement of tides and currents. Up-to-date hydrographic information enables countries to measure and adapt to these changes.

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Using hydrography to adapt to a changing ocean

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Brochure, presentation & videos

The Brochure The IH Brochure provides a brief outline of the activities of the International Hydrographic Organization.  It is written for a wide audience, catering to all those that have an interest in the safe and efficient navigation of ships, protection of the marine environment and more generally to the improvement of the global economy through the provision of hydrographic services and products.  For further information, see IHO Publication M-2.                        English                                                        French                                                                                                    Spanish   The Presentation The IHO Secretariat have produced a generic presentation that desribes the importance of hydrography.  The presentation can be downloaded an used as needed.   Videos Hydrography involves measuring the depth of the water and fixing the position of all the navigational hazards that lie on the seafloor, such as wrecks and rocks. This is done mainly with specialised ships and boats operating echo sounders and sonars, but also using survey aircraft fitted with lasers. Useful information can also be derived sometimes from satellite observations. Hydrography also involves measuring the tide and the currents. The most well-known application of hydrographic information is for making the nautical charts that all mariners use for navigation. Hydrographic information is required for the safe, efficient and sustainable conduct of every human activity that takes place in, on or under the sea. These videos provide information on the importance of hydrography.

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HCA HPWG

HCA Hydrography Priorities Working Group (HPWG)

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IHO-NF GEOMAC Project

Originally started as Japan Capacity Building Project (2009-2013), the Cartography, Hydrography and Related Training (CHART) Project (2014-2019) is now becoming the Geospatial Marine Analysis and Cartography (GEOMAC) project. It aims at providing education programme for young nautical cartographers with cutting-edge knowledge and it will start in September 2020 (postponed to January 2021 or later due to the impact of COVID-19), thanks to the generous support from the Nippon Foundation of Japan. This capacity building project has connected the nautical cartography community, currently 94 fellows from 48 countries. The skill and knowledge of this community contributes to solving regional and global challenges beyond the SOLAS obligation.

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Special contributions from external donors

In addition to the annual contribution from the IHO Budget approved by Member States, the CB Fund receives donations made by governments, international organizations, funding agencies, associations or private individuals in support of the IHO CBWP.

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NCWG-Spanish language

Index to the files of  ‘Uso de Simbolos y Abreviaturas’ in the style of INT 3 produced in Spanish language by the Hydrographic Office of Mexico (Dirección General Adjunta de Oceanografía, Hidrografia y Meteorología), 2012

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