Cruise inventory

Sperus 2/77 Leg 6

Cruise summary report

Cruise Info. 
Ship name (ship code)Sperus (74TJ)
Cruise identifier2/77 Leg 6
Cruise period1977-06-15 — 1977-06-28
StatusCompleted
Port of departureLeith, United Kingdom
Port of returnSouth Shields, United Kingdom
PurposeResearch
ObjectivesGravity survey: Area A & B.

Gravimeter, magentometer, echo-sounder and pinger
S75 gravity meter only
4 E-W lines (89, 91, 95 & 97)
2 coastal tie lines (90 & 96) off the Norwegian coast.
Chief scientistRobin A Floyd (Institute of Geological Sciences, Edinburgh)
Cruise reportSperus 2/77 Leg 6 cruise report sperus2_77.pdf — access key 'C' (14.75 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea
Track chartsSperus 2/77 Leg 6 cruise track — sperus2_77_all.pdf (00 MB)  Sperus 2/77 Leg 6 cruise track — sperus2_77_b_c.pdf (00 MB) 
Measurements 
Geology and geophysics 
Single-beam echosounding
Seismic refraction
Gravity measurements
Magnetic measurements