Nitrogen Fixation was determined from samples collected during CTD profiles at the surface and chlorophyll maximum once per day from the North Atlantic at approximately 24.5 degrees North on cruise D346 between 5th January and 19th February 2010. The samples were incubated at sea-surface temperature for 24 hours, filtered onto ashed-GF/F's and dried in oven at 50 degrees for further 24 hours. The data are being used as part of a wider study in the role iron has in nitrogen fixation. David Honey collected these data as part of his PhD, supervised by Martha Gledhill and Eric Achterberg.

This dataset consists of (1) Bulk properties of sea surface waves, including significant wave height, period and direction. Some additional wave properties relevant to their impact at the sea bed are also included: friction velocity, bottom orbital velocity, direction and period at the sea bed. (2) Depth-averaged eastward and northward current components and sea surface height above sea level. Additionally, eastward and northward current induced stresses at the sea bed. The modelled two datasets are prepared on the same regular grid. With a resolution of around 1/9th x 1/6th degree, i.e. ~ 12km. The continental shelf model extends from 48 to 63 degrees longitude north and from 12 degrees longitude west to 13 degrees longitude east. The dataset was generated by the Proudman Oceanographic Laboratory Coastal Ocean Modelling System (POLCOMS) and the spectral wave model (WAM). The data are available in single monthly files, for a 10 year period from January 1999 to December 2008, the POLCOMS data are 30 minute averages, and the WAM data are hourly. The dataset was generated by the UK National Oceanography Centre, Liverpool. The dataset consists of 240 data files in Climate and Forecast (CF) compliant NetCDF format, 120 from POLCOMS and 120 from WAM. This work is funded by the Aggregate Levy Sustainability Fund (ALSF) under contract MEPF 09-P114 and NERC National Capability funding. More information about the modelled data set and its applications can be found in Bricheno et al. (2015), and Aldridge et al. (2014).

Satellite-derived data and data used for satellite data validation from the SWOT-UK project. Validation sea level elevation data are from tide gauges re-referenced to ETRS89 (WGS84) This data covers the Bristol Channel, Severn estuary and river Severn. The bulk of the data spans the period from the beginning of 2022 to the end of July 2023, but the data used for the validation of the Cryosat2 satellite goes back to 2012. These data came from the Environment Agency and National Network of Regional Coastal Monitoring Programmes (Channel Coastal Observatory) APIs, with three addition Global Navigation Satellite Systems Interferometric Reflectometry (GNSS-IR) systems installed by the project team. The data were transformed to ETRS89 (WGS84) Ellipsoid using a software utility provided by the Ordnance Survey, for comparison to satellite altimetry data. Stations measuring relative to chart or stage datum were corrected to ordnance datum before transformation to ETRS89 (WGS84). The data are supplied as water surface elevation (altitude) in metres, relative to ETRS89 (WGS84) Ellipsoid. These real-time in situ data have not been corrected for atmospheric pressure, to match the total water level measurements of the satellite.

Multibeam swath bathymetry data were collected with a hull-mounted Kongsberg EM122 echosounder during RRS James Cook cruise JC215 (Principal Investigator Helen Oldridge) in June/July 2021. The cruise was conducted to carry out geophysical equipment trials off the continental margin to the southwest of the UK. The data were edited using CARIS HIPS software by Tim Henstock and exported as generic sensor format (GSF) files for subsequent gridding by users. The data were also gridded at 100m spacing by Tim Henstock in a WGS84 Mercator projection, and were exported as longitude-latitude-depth triples. Funding was provided by the UK's Natural Environment Research Council (NERC) to National Marine Facilities (NMF) under its National Capability Large Research Infrastructure support.

The data set comprises temperature, pressure, position and occasionally wave data from nine drifting buoys that were deployed across the Southern Hemisphere. Data were collected from 1979 to 1981. Each buoy carried surface pressure and sea temperature sensors, and seven of the buoys were equipped with drogues in order to aid the study of large scale, near surface ocean currents, and to complement concurrent oceanographic observations made in the area by the research ship RRS Discovery. Two of the buoys were designed with good wave following characteristics and contained accelerometers and simple processors so as to yield good wave information. The buoys were equipped with UHF telemetry transmitters to relay data to the ARGOS system on board the polar orbiting meteorological satellites Tiros-9 and NOAA-6. The buoys were were deployed by the Institute of Oceanographic Sciences Wormley Laboratory UK as part of the First Garp Global Experiment (FGGE) Southern Hemisphere Drifting Buoy Network.

The data set comprises a series of ten reports containing tables of current data and diagrams of trajectories derived from neutrally buoyant floats deployed in seas across the globe. The floats were numbered between 1-180 and 209-227, with floats 1-180 being deployed between 1955 and 1964 and floats 209-227 being deployed between February and March 1969. Detailed deployment information is listed below, with deployment location, float numbers, deployment dates and ship name (if known). NE Atlantic: floats 1-5 (Jun 1955, Oct-Nov 1955); float 11 (Aug 1956); floats 12-20 (Mar 1957); floats 25-33 (May-Jul 1958); floats 34-39 (Nov 1958). Norwegian Sea: floats 6-10 (Apr-May 1956). NW Pacific: floats 21-24 (Jul-Aug 1957). Deep water off Bermuda: floats 40-53, 55, 58 (Jun-Oct 1959, RV Aries); floats 54, 56, 57 (Oct 1959, RV Crawford); floats 59-60,64-65,68, 69,71,73-74 (Jun-Dec 1959, RV Aries); floats 61-63,66, 67,70,72 (Nov 1959, RV Crawford); floats 75-77 (Dec 1959, RV Atlantis); floats 78-98 (Feb-Jun 1960, RV Aries); floats 99-119 (Jun-Aug 1960, RV Aries). Faroe-Shetland Channel: floats 120-127 (Jul 1961, RRS Discovery). Faroe Bank Channel: float 135 (1963, Ernest Holt). Labrador Sea: floats 128-132 (1962, Erika Dan). Arabian Sea: floats 133, 134, 136-139 (Jul-Aug 1963, RRS Discovery). Indian Ocean: floats 140-160 (Mar-Apr 1964, RRS Discovery); floats 161-180 (Apr-Aug 1964, RRS Discovery). NW Mediterranean: floats 209-227 (Feb-Mar 1969, RRS Discovery). The reports were produced by the National Institute of Oceanography (NIO), which later became the Institute of Oceanographic Sciences Deacon Laboratory.

Multibeam swath bathymetry data were collected with a hull-mounted Kongsberg EM120 and EM710 echosounder during RRS James Cook cruise JC125 (Chief Scientist Veerle Huvenne) from August-September 2015. The cruise was conducted to map Whittard Canyon, a deep ocean canyon in the Bay of Biscay, in order to obtain a better insight in the biodiversity patterns, benthic habitat distributions and sediment transport processes of submarine canyons. The data were edited using Caris HIPS software by Catherine Wardell and gridded at 50 m spacing (EM120) and 10 m (EM710) in a WGS84 UTM Zone 29N projection. The vertical datum of the data is matched to mean sea level (MSL). They were exported as longitude-latitude-depth triples. Funding was provided by the European Research Council to CodeMap (Grant No 258482) and the UK's Natural Environment Research Council (NERC) to MAREMAP.

A collection of raw dive computer data (latitude, longitude, date, time, minimum temperature, surface temperature and maximum depth) logged by unknown recreational divers and uploaded to a publicly available online dive logging application (divelogs.de) was exported and filtered for further analysis. The data were spatially restricted to the northern Red Sea: 23-30° N, 32-39.4° E. Only dives within standard recreational depths (maximum dive depth ≤ 40 m), years with more than 75 dives per year and with a spread of dives across most months were retained (2000 to 2017). The data were processed in R version 4.2, using the tidyverse suite of packages. A 15 arc-second (approximately 0.5 km) resolution bathymetric grid of the area was downloaded from GEBCO, allowing bathymetric depths associated with each dive location to be found using the marmap get.depth function in R. Data were collected as part of Celia Marlowe’s PhD project at the University of East Anglia, which aimed to assess the precision and accuracy of water temperature profiles collected from devices commonly carried by Scuba divers. The PhD project was part of the Next Generation Unmanned Systems Science (NEXUSS) Centre for Doctoral Training, funded by the Natural Environment Research Council (NERC) and the Engineering and Physical Science Research Council (EPSRC) (NE/N012070/1), and was additionally supported by Cefas Seedcorn (DP901D).

Multibeam swath bathymetry data were collected with a hull-mounted Kongsberg EM120 and EM710 echosounder during RRS James Cook cruise JC035 (Chief Scientist Veerle Huvenne) in June 2009. The cruise was conducted to map Whittard Canyon, a deep ocean canyon in the Bay of Biscay. The data were edited using Caris HIPS software by Catherine Wardell and gridded at 50 m spacing (EM120) and 10 m (EM710) in a WGS84 UTM Zone 29N projection. The vertical datum of the data is matched to mean sea level (MSL). They were exported as longitude-latitude-depth triples. Funding was provided by the UK's Natural Environment Research Council (NERC) to MAREMAP, Oceans2025, and HERMIONE project (Grant no 226354).

This dataset contains Autosub3 measurements (position, ice draft, sea bed depth, water temperature, salinity, depth and pressure) collected under the frame of the Natural Environment Research Council (NERC) Ice Sheet Stability Programme. The data were collected in the Amundsen Sea region of the Antarctic, more specifically in the Pine Island Glacier, during a series of missions from RRS James Clark Ross in February 2014. Radar measurements provided information about the bottom of the glacier, which then allowed for the definition of Autosub3 tracks for the different missions. Autosub3 was equipped with a CTD, oxygen sensor, transmissometer, GPS and ADCP. The Autosub missions were conducted as part of the ‘Ocean under ice: Ocean circulation and melting beneath the ice shelves of the south-eastern Amundsen Sea (iSTAR B)’ Project. This was one of four projects delivering the NERC Ice Sheet Stability Programme, aiming to better understand the physical processes governing the rate of ice melt in the West Antarctic ice sheet. The principal investigator for iSTAR B was Dr Adrian Jenkins from the British Antarctic Survey (BAS).