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TWCWG - Vertical Reference Frame GNSS Datum details

Tides, Water Level and Currents Working Group (TWCWG) VERTICAL REFERENCE FRAME GNSS DATUMS Datum Details Supplied for General Analysis and Comparison

Reference Documents

Last Update: 4 February 2021

SCRUM8

Remote meeting hosted by IOC, Paris, France - 11 to 15 January 2021 (Online Symposium/Seabed 2030 - 11-15 January 2021)

TSCOM37

Remote meeting hosted by IOC, Paris, France - 11 to 15 January 2021 (Online Symposium/Seabed 2030 - 11-15 January 2021)

TSCOM36

General Information Document No Document Title GEBCO 2019 Letter Invitation Letter GEBCO 2019 Letter - Annex A Logistics Information for the Meeting (Invitation Letter) GEBCO36_Sub-A TSCOM/SCRUM/Outreach WG - Document Template (Word version) GEBCO36_Sub-B Presentation Template (.ppt) GGC35-13 Report on the 35th GEBCO Guiding Committee Meeting GEBCO 2018 TSCOM/SCRUM/SCOPE Final Meeting Notes

Content

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 Ocean conservation focus The Presentation The IHO Secretariat has produced a generic presentation that desribes the importance of hydrography. The presentation can be downloaded and 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. ________________________________________________________

Document Review Working Group - DRWG17 (2019)

Document Review Working Group Meeting (DRWG17)-IMO, London (29-31 January 2019)

Document Review Working Group - DRWG18 (2020)

Document Review Working Group (DRWG18) - IMO, London (28-30 January, 2020)

Programmes

Programmes supported by the Republic of Korea CB activities to be financed by the contribution from ROK/KHOA are jointly decided upon by the Republic of Korea and the IHO through the Programme Management Board (PMB) annual meetings and are included in the IHO Capacity Building Work Programme (CBWP).