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Ellipsoidally Referenced Surveying for Hydrography
Ellipsoidally Referenced Surveying for Hydrography
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2016/1/22
One of the most significant issues in hydrography today is using the ellipsoid as the vertical reference for surveying measurements. High-accuracy GNSS is used to position (vertically) hydrographic da...
Report on the Economic Benefits of Hydrography
Economic Benefits Hydrography
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2016/1/22
This publication aims to fulfil the objective of FIG Commission 4’s Working Group 4.4, to develop an awareness of hydrographic surveying and raise its profile in terms of how it can benefit society, c...