European Directory of Marine Environmental Data (EDMED)

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Data set name

British Mid-ocean Ridge (BRIDGE) Initiative (1992-)

Data holding centreNational Oceanography Centre, Southampton
CountryUnited Kingdom  United Kingdom
Time period1992 - 1995
Geographical area

North Atlantic


Transmittance and attenuance of the water column; Bacteria taxonomic abundance in water bodies; Bacteria generic abundance in water bodies; Bacteria generic abundance in sediment; Dissolved metal concentrations in the water column; Particulate metal concentrations in the water column; Dissolved concentration parameters for other gases in sediment pore waters; Salinity of the water column; Dissolved concentration parameters for other gases in the water column; Silicate concentration parameters in the water column; Side-scan sonar; Temperature of the water column; Bacteria taxonomic abundance in sediment


Optical backscatter sensors; transmissometers; CTD; bathythermographs; discrete water samplers; unconsolidated sediment corers; elemental analysers


BRIDGE is a research programme planned by a consortium of British geologists, geophysicists, geochemists, mathematicians, and marine biologists, and administered through the Natural Environment Research Council (NERC). It is investigating the processes that operate during the creation of new ocean crust at mid-ocean ridges, and the biological ecosystems associated with them. The BRIDGE Science Plan is carefully structured to focus progressively on four different and contrasted sections of mid-ocean ridge, starting at the regional scale and progressing to detailed work on individual volcanic hot spring systems on the ocean floor. Technological development accompanies the science programme, and will lead to new capabilities for sea floor exploration and experiments. Data collected using 'BRIDGET' and the Oregon State University ZAPS-sled (comprises a CTD-nephelometer-transmissometer array) includes temperature, salinity and transmittance. Water samples have been collected using a rosette sampler for determinations of manganese, helium, methane, silicate. In addition, samples were taken for joint microbiological and geochemical particle studies, and for bacterial counts and DNA extraction. Sidescan sonar images of the seabed have been collected and core samples have been taken.

OriginatorsNational Oceanography Centre, Southampton
Data web site
OrganisationNational Oceanography Centre, Southampton

National Oceanography Centre, Southampton
University of Southampton Waterfront Campus European Way
SO14 3ZH
United Kingdom

Telephone+44 23 8059 6666
Collating centreBritish Oceanographic Data Centre
Local identifier1017021
Global identifier277
Last revised2016-02-11