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  • The data set includes the classical oceanographic parameters of temperature, salinity, nutrients, oxygen, pH, alkalinity, and chlorophyll-a. This data set comprises more than 100,000 profiles collected by UK research and naval vessels in the shelf seas around the UK, the North Atlantic, the Norwegian Sea, the Barents Sea, the Mediterranean Sea, the South Atlantic, the Southern Oceans, the Indian Ocean, the Arabian Sea, the East Indian Archipelago (Indonesia) and the Pacific Ocean since the beginning of the twentieth century. In recent years, conductivity-temperature-depth (CTD) data have been collected in a higher resolution form than water bottle data; these have been included in this data set in a reduced resolution/water bottle form and merged with any available chemical parameters. This data set is one of the most complete of its kind in the world; the majority of the data known to have been collected prior to 1970 have been 'rescued' and work will continue to rescue the remainder. All of the profiles in this data set have been quality checked, cross-checked against original documentation, and all duplications removed. This data set has been compiled by the International Council for the Exploration of the Sea (ICES) Oceanographic Data Centre and is available from the ICES website.

  • The dataset comprises 43 hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, from across the English Channel, North Sea, Irish Sea and St. George's Channel, and the Bristol Channel areas, specifically from between Liverpool and the Isle of Man and then at various locations around the west, south west and south coasts up to the east of Ipswich. The data was collected during January and February of 2003. A complete list of all data parameters are described by the SeaDataNet Parameter Discovery Vocabulary (PDV) keywords assigned in this metadata record. The data were collected by the Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory.

  • This project aims to provide an estimate of the extent to which microplastic concentrations are underestimated with traditional sampling. Sampling events focus on coastal waters, where microplastics are predicted to have the greatest influence on marine life, on both sides of the North Atlantic Ocean. Samples were collected in the Gulf of Maine (USA) in July 2013 and the western English Channel off the coast of Plymouth (UK) between July and September 2015. Microplastic debris was collected via surface trawls using 100, 333 and 500 micrometer nets. Data collection was funded by the Natural Environment Research Council (NERC Grant NE/L003988/1 and NE/L007010/1); University of Exeter and Plymouth Marine Laboratory collaboration fund; in-kind contributions from the ‘Rozalia Project’; March Limited of Bermuda philanthropic support.

  • This application is an implementation of the Ecological Risk due to Flow Alteration (ERFA) method in R language. This method assesses the potential impact of flow change on river ecosystems. Although the code was developed with a geographical focus on southeast Asia (example datasets are provided for the Mekong River Basin), it can be applied for any location where baseline and scenario monthly river flow time series are available. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Full details about this application can be found at

  • The dataset comprises 22 hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, from across the Irish Sea and St. George's Channel and the North East Atlantic Ocean (limit 40W) area specifically both North and South of Loury Canyon, from April to June of 1971. A complete list of all data parameters are described by the SeaDataNet Parameter Discovery Vocabulary (PDV) keywords assigned in this metadata record. The data were collected by the National Institute of Oceanography.

  • This dataset consists of measurements of underway meteorology, navigation and sea surface hydrography. A comprehensive survey of the Southwest Indian Ocean, more specifically, the Southwest Indian Ridge (SWIR), was undertaken between 07 November 2011 and 21 December 2011 on the RRS James Cook cruise JC066. Navigation data were collected using an Applanix POSMV system and meteorology and sea surface hydrography were collected using the NMF Surfmet system. Both systems were run for the duration of the cruise, excepting times for cleaning, entering and leaving port, and while alongside. Data were collected as part of the NERC-funded project “Benthic Diversity of seamounts in the Southwest Indian Ocean”. The project aimed to describe and analyse the diversity and distribution of benthic assemblages, from meiofauna to megafauna, on seamounts in the central section of the SWIR between 41S, 42E and 33S, 58E. The NERC funded project was funded primarily by grant NE/F00504/1, with child grants NE/F006292/1 and NE/F005563/1. The lead grant is held at the University of Oxford, Department of Zoology, by Professor Alex David Rogers. The child grants are held at the natural History Museum, Life Sciences, by Dr Gordon Patterson, and the Scottish Asssociation for Marine Science, Dunstaffnage Marine Laboratory, by Dr Bhavani Narayanaswamy, respectively. Underway navigation, meteorology and sea surface hydrography data have been received as raw files by BODC and are available upon request.

  • 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).

  • The dataset comprises 35 hydrographic data profiles, collected by a conductivity-temperature-depth (CTD) sensor package, from across the South West Atlantic Ocean (limit 20W) area specifically Drake Passage during December 2004. A complete list of all data parameters are described by the SeaDataNet Parameter Discovery Vocabulary (PDV) keywords assigned in this metadata record. The data were collected by the Southampton Oceanography Centre.

  • This dataset contains Radium (Ra) and Iron (Fe) concentrations along with supporting oceanographic measurements such as temperature and salinity of the water column. Data are from glacial melt waters around the West Antarctic Peninsula and Greenland as well as from the open southern ocean and at hydrothermal vents along the Mid-Atlantic Ridge. The data were collected for the Radium in Changing Environments: A Novel Tracer of Iron Fluxes at Ocean Margins (RaCE:TraX) project. The RaCE:TraX project is running between June 2017 and June 2022 and uses measurements of Radium (Ra) and Iron (Fe) along with knowledge of the half-life of Ra to predict supply and removal rates of Fe in the marine environment. The results hope to answer the questions 1) how much Fe comes from continental shelf sediments, 2) how much Fe is supplied by glacial meltwater, and 3) how rapidly is Fe scavenged from the metal-rich fluids at hydrothermal vents? Addressing these key gaps in the understanding of the marine Fe cycle will help determine how sensitive marine systems are to current Fe supply, as well as predict the impacts of changes in Fe supply on phytoplankton health, the biological pump, and global climate. The project is led by the University of Southampton School of Ocean and Earth Science and is a collaboration with the University of Bristol. The project received funding from the Natural Environmental Research Council (NERC, grant reference number: NE/P017630/1).

  • The data set comprises wave height and period statistics, and sea level measurements collected near Acajutla, El Salvador. Accurate positions are not known and the location of both instruments is approximated as 13 deg 32.0 N, 89 deg 57.0 W. There is no other information available regarding these sites. The data were collected between 1 December 1974 and 30 November 1975 using an Institute of Oceanographic Sciences (IOS) frequency modulated (FM) pressure recorder deployed in the harbour at Acajutla and a waverider buoy deployed offshore from the harbour. The IOS FM pressure recorder uses a pressure sensitive diaphragm to vary the gap of a parallel plate capacitor, resulting in a frequency modulation of a nominal 100 KHz carrier signal. This signal is recorded on a shore-based magnetic tape data logger linked to the pressure unit by armoured cable. Data were recorded for ten minutes every three hours and analysed later as described by Hardcastle (1978). Some uncertainty surrounds the ability of the pressure recorder to respond accurately to the surface waves since the transfer function from pressure to surface wave height is incompletely understood. Draper (1957) has derived a factor to correct for the hydrodynamic attenuation of the pressure signal. This factor varies with mean zero up-crossing period and may increase wave heights by up to 15 percent compared with classical wave theory (Fortnum and Hardcastle, 1979). This data set has not been corrected. The waverider buoy generates a heave signal via an internal accelerometer to an accuracy of better than five percent. This signal is used to amplitude modulate a 27-30 MHz radio signal which is transmitted continuously and can be received by the recording device at a range of up to 50 km depending on local conditions (Driver, 1980). The data were collected by Livesey and Henderson (now incorporated with Binnie and Partners, 65 London Rd., Redhill, Surrey, RH1 1LG, UK) and are stored at the British Oceanographic Data Centre.