NERC Data Catalogue Service
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This dataset contains the codes for water laboratory analysis, sampling dates and locations for soil samples collected from the Tamar catchment in winter 2013/2014 as part of the South West project. It contains soil chemistry data for metals and mineral contents of samples soils. It should be used in conjunction with datasets describing soil bacteria and soil eukaryote operational taxonomic unit sequence data. Full details about this dataset can be found at https://doi.org/10.5285/de35d4ea-e75e-464c-b82f-2c2c1402cf8e
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The dataset details global positioning system (GPS) locations recorded for survey quadrats at six UK saltmarsh sites. Three of the sites were in Morecambe Bay, North West England and three of the sites were in Essex, South East England, each of these sites consisted of a salt marsh area and adjacent mudflat area. Each site comprised 22 quadrats on the unvegetated mudflat and 22 quadrats on the salt marsh. The locations indicated by this dataset correspond to the south-east corner of the quadrats which were 1m square and oriented with their sides aligned North-South and East-West. This data was collected as part of Coastal Biodiversity and Ecosystem Service Sustainability (CBESS): NE/J015644/1. The project was funded with support from the Biodiversity and Ecosystem Service Sustainability (BESS) programme. BESS is a six-year programme (2011-2017) funded by the UK Natural Environment Research Council (NERC) and the Biotechnology and Biological Sciences Research Council (BBSRC) as part of the UK's Living with Environmental Change (LWEC) programme. Full details about this dataset can be found at https://doi.org/10.5285/e07386ba-f7a8-490d-99f7-1ce1ae14e95d
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This dataset contains operational taxonomic units for epilithon eukaryotes (water samples): Approximate location of sampling sites was determined from maps to provide good spatial coverage of the Wolf River through to the Tamar River. Exact sites were determined in the field, considering accessibility and other logistics. The exact location of each sample site was determined using a Garmin GPS12. Three stones were taken from each of the 20 locations and epilithon removed from a defined area. Samples were kept in the cold and removed to the laboratory for analyses. DNA was extracted from all soil and epilithon samples using the MOBIO Powersoil 96 well DNA extraction kit. DNA was quality checked for purity and yield prior to submission for 454 pyrosequencing to assess both bacterial and eukaryotic biodiversity within each sample. Following bioinformatic sequence processing, sequencing were clustered into operational taxonomic units (OTU) and the data tables display the percentage of each OTU within each sample. Full details about this dataset can be found at https://doi.org/10.5285/18023db5-25d8-44f7-b291-61869f937367
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This dataset contains operational taxonomic units for soil bacteria collected from various land use categories in the Wolf and Tamar catchments in South west England. A range of soils were targeted from the Tamar region comprising a range of land uses. Approximate location of sampling sites was determined from maps to provide good spatial coverage of the catchment. Exact sites were determined in the field, considering accessibility and other logistic, and soils taken. Full details about this dataset can be found at https://doi.org/10.5285/296ded8e-2c80-4a01-98cc-e71e3fa3fa1b
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This dataset contains operational taxonomic units for epilithon (water samples): Approximate location of sampling sites was determined from maps to provide good spatial coverage of the Wold River through to the Tamar River. Exact sites were determined in the field, considering accessibility and other logistics. The exact location of each sample site was determined using a Garmin GPS12. Three stones were taken from each of the 20 locations and epilithon removed from a defined area. Samples were kept in the cold and removed to the laboratory for analyses. DNA was extracted from all soil and epilithon samples using the MOBIO Powersoil 96 well DNA extraction kit. DNA was quality checked for purity and yield prior to submission for 454 pyrosequencing to assess both bacterial and eukaryotic biodiversity within each sample. Following bioinformatic sequence processing, sequencing were clustered into operational taxonomic units (OTU) and the data tables display the percentage of each OTU within each sample. Full details about this dataset can be found at https://doi.org/10.5285/16649ff0-af24-41b0-bcb4-15e610dac170
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This dataset contains operational taxonomic units for soil eukaryotes from the Wolf and Tamar catchments . A range of soils were targeted from the Tamar region comprising a range of land uses. Approximate location of sampling sites was determined from maps to provide good spatial coverage of the catchment. Exact sites were determined in the field, considering accessibility and other logistic, and soils taken. The exact location of each sample site was determined using a Garmin GPS12. Soil samples were kept in the cold and removed to the laboratory for analyses. Full details about this dataset can be found at https://doi.org/10.5285/4bf6228f-ce3d-449e-9438-c4b5c8291256
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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.
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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).
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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.
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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.