Unmanned systems provide significant advantages for hydrography applications, either operating on their own or as a force multiplier alongside manned vessels. Shephard explores the technical advances that are taking place in the market to meet growing demand. Hydrography is a wide-ranging area, with implications for many industries and organisations, both governmental and private. It is defined by the International Hydrographic Organization (IHO) as '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 defence, scientific research and environmental protection'.
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