Cruise inventory

RRS Challenger CH82A

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH82A
Cruise period1991-07-12 — 1991-07-17
Port of departureTroon, United Kingdom
Port of returnHirtshals Havn, Denmark
ObjectivesStudy of sulphide- and methane-based ecosystems. First part of two leg cruise
Chief scientistPaul Dando (Plymouth Marine Laboratory)
ProjectMAST 0044 Sulphide and methane based ecosystems
Coordinating bodyMBA, Plymouth
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea (UK Block 15/25, pockmarks in the Witch Ground Basin)
Track chartsRRS Challenger CH82A cruise track — trk3701.html
Physical oceanography 
CTD stationsQuantity: number of stations = 17
Current profiler (eg ADCP)Quantity: number of stations = 13
Description: ADCP measurements associated with dissolved hydrogen and CH4 stations
Chemical oceanography 
Other dissolved gasesQuantity: number of stations = 13
Description: dissolved hydrogen and CH4
Biology and fisheries 
ZoobenthosQuantity: number of samples = 30
Description: box core samples for species composition and biomass of macro- & meiofauna
Geology and geophysics 
Single-beam echosoundingQuantity: number of track lines = 27
Description: lines - Simrad EA500 10kHz echosounding
Long/short range side scan sonarQuantity: number of track lines = 25
Description: lines - Waverley side scan survey for shallow gas and seeps
Single channel seismic reflectionQuantity: number of track lines = 25
Description: lines - BGS deep tow boomer survey for shallow gas and seeps