EA: MERCHANT_VESSEL_DENSITY
Status:
STD 2005/06/07
Code:
782
Concept definition:
The areal density of merchant <
WATER_SURFACE_VESSEL
>s (gross weight greater than 907 000 kilograms (approximately 1 000 tons) and <<
LENGTH
>> greater than 18 metres) in a <
WATERBODY_SURFACE_REGION
>.
Attribute value type:
REAL
Unit equivalence class label:
AREAL_ENTITY_DENSITY
Reference type:
IR
Reference:
[
OAML
, Historical Temporal Shipping Database]
Supplemental references:
Group membership:
HYDROGRAPHIC_INDUSTRY
HYDROGRAPHIC_TRNSP
INDUSTRY
RATE_OR_RATIO
TRNSP
VEHICLE
WATERBODY_SURFACE
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