Cruise inventory

RRS Charles Darwin CD40

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Charles Darwin (74AB)
Cruise identifierCD40
Cruise period1989-06-19 — 1989-07-22
StatusCompleted
ObjectivesMarine geophysics
Chief scientistGraham K Westbrook (University of Birmingham Department of Geological Sciences)
Ocean/sea areas 
GeneralNorth East Pacific Ocean (limit 180W)
SpecificNE Pacific Ocean
Measurements 
Geology and geophysics 
Single-beam echosoundingQuantity: track kilometres = 7120
Description: 3.5kHz
Multi-beam echosoundingQuantity: track kilometres = 7120
Description: 10kHz
Long/short range side scan sonarQuantity: track kilometres = 5691
Single channel seismic reflectionQuantity: track kilometres = 2422
Gravity measurementsQuantity: track kilometres = 7120.94
Description: ng
Magnetic measurementsQuantity: track kilometres = 7120.94
Description: ng