TellusSW airborne geophysical data — WMS

Tellus South West

The TellusSW project acquired airborne geophysical data for the counties of Cornwall and parts of Devon and Somerset during the second half of 2013. The maps of the geophysical data and their derivatives are provided to facilitate spatial comparison with, and modelling of, the soil, geological and environmental aspects of the data.

The survey comprised a high resolution magnetic/magnetic gradient survey combined with a multichannel (256 channel) radiometric survey. The survey was carried out using 200 m (N-S) line separations at a mean elevation of 91 m. The survey provided 60,323 line-km of data.

The data can be downloaded from the TellusSW project website.

Service Address

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Example WMS Requests

Radiometric data (Total Count in cps) WMS 1.3.0 requests in British National Grid (BNG)
Magnetic data. Derived Analytic Signal (AS) of the Total Magnetic Intensity (TMI). WMS 1.1.1 requests in Lat/Long WGS84 (WGS84)

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Terms of Use

These data are delivered under the terms of the Open Government Licence, subject to the following acknowledgement accompanying the reproduced BGS materials: "Contains British Geological Survey materials © UKRI [year]". Contact us if you create something new and innovative that could benefit others

The BGS provides no warranty as to the quality, accuracy, completeness of this free map data or the medium on which it is supplied. This includes any warranty as to the continued provision of material or that the material taken from this site is compatible with your computer system and/or any other data with which the material is to be used.

Please be aware that the BGS may make changes to this service. This will include, but not limited to, the level of attribution seen for each type of geology, and changes to zoom thresholds. Please contact us if you have any feedback.

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