It Is on the Web

It Is on the Web

"It is on the Web" has become one of the most common responses that I hear whenever I ask for information about almost anything. The only problem with this has to be where on the Web? Typing the word ...

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Hydrography by the State
tide

Hydrography by the State

Legislation varies from country to country, with respect to the definition of the maritime, fluvial and lacustrine spaces administered by the state. In general, the sea floor and the water column are ...

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Offshore

I have just been reading about and studying some of the recent offshore Oil and Gas Exploration licences, not just in the North Sea, but all over the world. It reminds me of two things, one how much t...

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Doubtful Sound
Survey

Doubtful Sound

Some twenty years ago I was involved in a re-survey of Doubtful Sound, in the isolated Fiordland area of New Zealand. The existing chart dated from 1851 but was adequate for the small fishing vessels ...

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Pathways to Professionalism
surveyor

Pathways to Professionalism

Over the last few years it has become apparent to many in our profession that some form of recognised formal career development, above and beyond an initial degree or course of study, is becoming more...

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AUVs: A New Beginning
seafloor

AUVs: A New Beginning

This issue of Hydro international clearly demonstrates the level of effort and anticipation that is presently going into the development of Autonomous Underwater Vehicles (AUVs) for offshore marine su...

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Standards in Offshore Survey
Survey

Standards in Offshore Survey

The offshore industry has a range of standards in common use. As survey contractors/subcontractors, how far should we aim for standardisation in the work we do and how much scope should we leave for d...

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The Expanding Role of Hydrography
Multibeam

The Expanding Role of Hydrography

Traditionally the hydrographer, interested primarily in measuring the precise depth for charting purposes, suppressed acoustic ‘noise’ in the water column; now we realise what the ‘noise’ can ...

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The Use and Misuse of Nautical Charts
Chart

The Use and Misuse of Nautical Charts

My colleague Peter Johnson presented a paper at this year’s Canadian Hydrographic Conference explaining how Australia is implementing Zones of Confidence in its charts. The Zones of Confidence (ZOC)...

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Opening up the Seas
seafloor

Opening up the Seas

The resolution of object detection in the world’s oceans has increased exponentially during the past century, supporting engineering design of complex seafloor structures and leading to new sci...

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The New Role of JHOD
Nautical charts

The New Role of JHOD

It has been long years since Japan started the hydrographic organisation now called Japan Hydrographic and Oceanographic Department, JHOD, in 1872. The primary functions of the organisation have not b...

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