Charting the Consequences
tsunami

Charting the Consequences

The catastrophic events following the Asian tsunami last Christmas have captured the world's attention. Governments and agencies are rushing to introduce a tsunami warning system mirroring the excelle...

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Digital Video: The Challenges
Survey

Digital Video: The Challenges

Digital methods of data acquisition are now commonplace in most offshore survey techniques. One of the last operations still being performed with analogue technology is the recording of video signals ...

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Standards in Offshore Survey
standards

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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Calling All ECDIS Stakeholders
ECDIS

Calling All ECDIS Stakeholders

The IMO is considering a phased programme to make the carriage of ECDIS compulsory. This could mean that certain vessels be required to carry ECDIS from as early as 2008. In my view, this is the key t...

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Towards ECDIS Mandatory Carriage
ECDIS

Towards ECDIS Mandatory Carriage

The International Hydrographic Organisation (IHO) and the International Maritime Organisation (IMO) are co-operating very closely to take appropriate action for the mandatory carriage of ECDIS to incr...

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Towards ECDIS Mandatory Carriage
ECDIS

Towards ECDIS Mandatory Carriage

The International Hydrographic Organisation (IHO) and the International Maritime Organisation (IMO) are co-operating very closely to take appropriate action for the mandatory carriage of ECDIS to incr...

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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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Regulations in Chapter V of SOLAS
IHO

Regulations in Chapter V of SOLAS

There are three new elements of hydrographic importance contained in Chapter V of SOLAS which will increase safety at sea; the provision of hydrographic services, the definition of nautical charts and...

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Web-based GIS for Nautical Charts
GIS

Web-based GIS for Nautical Charts

The existence of Web-based Geographic Information System (Web-based GIS) will enable the Hydrographic Information System to integrate all the activities of a Hydrographic Office on a single integrated...

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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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Sir, Can I Use My ECDIS Now?
ECDIS

Sir, Can I Use My ECDIS Now?

July 2002 signalled a significant milestone in the long, tortuous life of ECDIS. It was the month that ECDIS was formally recognised (and specifically mentioned) in SOLAS Chapter V. It should have bee...

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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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Worldwide High-resolution Bathymetry

Worldwide High-resolution Bathymetry

GOMaP, the Global Ocean Mapping Project, was a plan to methodically map all the world's oceans by multi-beam sonar. It may be stalled, but swath mapping of the oceans is certainly proceeding at a bris...

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