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Challenge ID

CLS_OFF.2.2

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Title

seismic survey: current velocities (3D and 4D surveys)

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Originator of Challenge

Metocean experts

General description

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What data/products do you currently use?

historical adcp data, HADCP, models

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When do you use this kind of dataset?

survey preparation

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What are your actual limitations and do you have a work around? 

Lack of data, poor spatial coverage, inaccurate data

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Needs and expectations on EO data

Higher quality data and better 2D coverage

Challenge classification

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Lifecycle stage

Pre license

Exp.

Dev.

Prod.

Decom.

Score from impact

4

9

Geographic context/restrictions

Worlwide

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Topographic classification / Offshore classification

• Coastal water
• shallow water
• deep water

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Activity impacted/concerned

Operational cost reduction, less infilling, better quality seismic data

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Urgency

(How quickly does the user need the solution)

n/a

Information requirements

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Update frequency

Ocean processes: 3 hours as high as possible

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Temporal resolution

hourly

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Spatial resolution

as high as possible, at 4km

depth up to 100-200m or deeper (increased for 3D needs)

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Data quality

good

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Data Coverage and extent

Over survey area, typically 100km x 100km

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Example formats

GIS format, netCDF…

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Timeliness

RT application as fast as possible 

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Existing standards

n/a