1605 record(s)


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  • The purpose of this digital dataset is to provide accurate mapping of the distribution of sea-bed sediment types. Sea-bed sediments can only be mapped offshore, where the most recent deposits commonly form a veneer or superficial layer of unconsolidated material on the sea-bed. The dataset is produced for use at 1:250,000 scale. The boundaries between sediment classifications or types are delineated using sample station particle size analyses and descriptions, seafloor topography derived from shallow geophysical data and where available multibeam bathymetry and backscatter and side scan sonar profiles. The sediment types present on the sea-bed are of importance to a range of groups, including marine habitat mappers, marine spatial planners, the offshore construction and development sector, and the dredging and aggregate industries. These groups require detailed information on the nature of the sea-bed, including the sediment types present. The DiGSBS250k dataset has been created as vector polygons and are available in a range of GIS formats, including ArcGIS (.shp), ArcInfo Coverages and MapInfo (.tab). More specialised formats may be available but may incur additional processing costs.

  • In 1992, BIRPS joined with the Indonesian Marine Geological Institute to record two long multichannel normal-incidence reflection profiles, one of which is DAMAR, the other TIMOR, and one short profile (API) close to the volcano Gunung Api. The survey provides a modern analogue to tectonics hypothesized to have occurred across the Iapetus suture zone of northern England 450-400 Ma. The Banda Arc of Indonesia near the island of Timor is widely recognized as the premier example of the active subduction of continental crust and lithosphere beneath oceanic lithosphere. The crossing of a modern island arc and close passage to active volcanoes was intended to image reflections associated with magma in the crust and uppermost mantle.

  • Data from Marine Conservation Zone (MCZ) surveys are archived in the MEDIN Data Archive Centre (DAC) for Geology and Geophysics at the British Geological Survey. This includes geology (Particle Size Analysis) data and multibeam backscatter data. Data are delivered via the BGS Offshore GeoIndex. Additional data are available on request Other data types are archived with the other MEDIN DACs as appropriate (UKHO DAC for bathymetry data and DASSH DAC for biological data).

  • This presentation on the UKCCSRC Call 1 project, Chemical Looping for low-cost Oxygen Production, was presented at the Cranfield Biannual, 22.04.15. Grant number: UKCCSRC-C1-39.

  • This project contributes significantly to the de-risking of a technology which has a significantly lower efficiency penalty than post-combustion capture using Monoethanolamine (MEA) scrubbing. The work here specifically targets two industrial sectors where MEA scrubbing is at a significant disadvantage (only ~ 30 % of the low-grade heat required for MEA scrubbing is present in a cement plant, for example [1]), and in both cases the spent CaO is valuable as an input to the process itself (either as the main feedstock for cement clinker production, or as a flux in iron production). The project builds on several current projects at both Imperial College and Cranfield University and offers excellent value for money because of these synergies. Grant number: UKCCSRC-C2-209.

  • This poster on the UKCCSRC Call 1 project Chemical looping for low-cost oxygen production and other applications was presented at the CSLF Call project poster reception, London, 27.06.15. Grant number: UKCCSRC-C1-39. The project is based on the concept of CLOU (chemical looping oxygen uncoupling). Various forms of chemical looping are possible with different degrees of integration between the oxygen release and the thermal energy production cycles. • Most of the CLC and CLOU processes proposed thus far are conducted in a fluidised bed reactor encountering problems of contamination of the oxygen carrier and fuel leakage. • The project has designed a hybrid form of chemical looping that achieves the optimal degree of integration of oxygen release and thermal energy production. • The need for intimate contact between the oxygen carrier and the solid fuel is also avoided.

  • Data files and reports from NERC grant NE/L001934/1, Optimizing Road Development for Groundwater Recharge and Retention. 1. Optimizing Intensified Runoff from Roads for Supplemental Irrigation: Tigray Region, Ethiopia MSc Thesis by Meseret Dawit Teweldebrihan 2. Reconnaisance Report: Potentials of water harvesting from road catchments: the case of Freweign-Hawzien-Abreha Weatsbeha route, Tigray, Northern Ethiopia 3. Reconnaissance Report for Water harvesting from roads in Tigray, Northern Ethiopia: Practices, Opportunities and Design Considerations 4. Reconnaissance Report Road development and gully erosion in Ethiopia: Towards the design of multifunctional roads to harvest water 5. Where does the water flow? Roads runoff, soil erosion, groundwater, livelihoods and poverty alleviation in Tigray, Ethiopia

  • This presentation on the EPSRC project, DiSECCS, was presented at the Cranfield Biannual, 21.04.15. Grant number: Grant number: EP/K035878/1.

  • This low-resolution image has been produced from BGS airborne and marine magnetic data. The colour was generated using the BGS COLMAP software package. Colour levels are defined by histogram equalisation. Combining this image with the grey shaded relief image produces a similar image to the colour shaded relief image. A published coloured shaded relief map, using the full resolution of the data and produced at a scale of 1: 1500 000, is available. The map covers a larger area than this image, and includes additional data from other sources. The data used to compile this image are available in various forms for academic and commercial licensing. The data from surveys covering the UK mainland have been digitised from their original analogue form. Elsewhere data were acquired digitally. Standard methods of processing were used to remove diurnal and secular variations and to minimise line intersection errors. While efforts have been made to remove artefacts from the data, some may remain between adjacent datasets. Generally anomalies over man-made structures have not been removed. The data have been interpolated onto a 1km x 1km grid using a variable tension technique, and smoothed.

  • The newGeoSure Insurance Product (newGIP) provides the potential insurance risk due to natural ground movement. It incorporates the combined effects of the 6 GeoSure hazards on (low-rise) buildings: landslides, shrink-swell clays, soluble rocks, running sands, compressible ground and collapsible deposits. These hazards are evaluated using a series of processes including statistical analyses and expert elicitation techniques to create a derived product that can be used for insurance purposes such as identifying and estimating risk and susceptibility. The evaluated hazards are then linked to a postcode database - the Derived Postcode Database (DPD), which is updated biannually with new releases of Ordnance Survey Code-Point® data (current version used: 2020.1). The newGIP is provided for national coverage across Great Britain (not including the Isle of Man). This product is available in a range of GIS formats including Access (*.dbf), ArcGIS (*.shp) or MapInfo (*.tab). The newGIP is produced for use at 1:50 000 scale providing 50 m ground resolution.