RRS Challenger CH17/80
Cruise summary report
|Ship name (ship code)||RRS Challenger (74CH)|
|Cruise period||1980-11-04 — 1980-11-16|
|Port of departure||Barry, United Kingdom|
|Port of return||Barry, United Kingdom|
|Objectives||1. To obtain benthic samples with the I.O.S epibenthic sledge and semi-balloon trawl at a variety of depths in the Porcupine Sea-Bight.
2. To obtain quantitative samples of the megabenthos at approximately 500m depth intervals from about 500m to 4000m .
3. To obtain near-bottom amphipod samples using a pop-up trap system.
4. To test a deployed pop-up camera system (Bathysnap) designed to obtain a sequence of photographs of the same portion of the sea-bed over a period of hours or days, and at the same time to obtain a sediment sample and near-bottom current data.
|Chief scientist||Anthony L Rice (Institute of Oceanographic Sciences Wormley Laboratory)|
|Cruise report||(0.48 MB)|
|General||North East Atlantic Ocean (limit 40W)|
|Specific||North Atlantic/ Porcupine Bight|
|Biology and fisheries|
|Zoobenthos||Quantity: number of hauls = 12|
Description: distribution,description of communities