OR/14/014 Data release: Difference between revisions
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The contractor delivered data are to be released, in simplified form, as ASCII comma-separated value (.csv) files. The data format of these files are shown in Tables 2 (Magnetic) and 3 (Radiometric), below. | The contractor delivered data are to be released, in simplified form, as ASCII comma-separated value (.csv) files. The data format of these files are shown in Tables 2 (Magnetic) and 3 (Radiometric), below. | ||
<center> | |||
{| class="wikitable" | {| class="wikitable" | ||
| | <span id="Table 2"></span> | ||
|+ Table 2 Contents of ASCII file Magnetic data. | |||
| '''Channel''' | | '''Channel''' | ||
| '''Description''' | | '''Description''' | ||
| Line 20: | Line 21: | ||
| Latitude in WGS84 | | Latitude in WGS84 | ||
| m ddd.mm.ss.ss | | m ddd.mm.ss.ss | ||
|- | |||
| Lon | | Lon | ||
| Longitude in WGS84 | | Longitude in WGS84 | ||
| ddd.mm.ss.ss | | ddd.mm.ss.ss | ||
|- | |- | ||
| flight | | flight | ||
| Survey flight number | | Survey flight number | ||
| Line 34: | Line 33: | ||
| Survey flight date | | Survey flight date | ||
| yyyy/mm/dd | | yyyy/mm/dd | ||
|- | |- | ||
| Line | | Line | ||
| Line 52: | Line 50: | ||
| nT/m | | nT/m | ||
|- | |- | ||
| levelled_mag | | levelled_mag | ||
| Total Magnetic Intensity (Levelled) | | Total Magnetic Intensity (Levelled) | ||
| Line 59: | Line 56: | ||
| levelled_mag_igrf_corrected | | levelled_mag_igrf_corrected | ||
| Residual Magnetic Intensity (Levelled) | | Residual Magnetic Intensity (Levelled) | ||
| nT | | nT | ||
|} | |} | ||
</center> | |||
<center> | |||
{| class="wikitable" | {| class="wikitable" | ||
<span id="Table 3"></span> | |||
| | |+ Table 3 Contents of ASCII file Radiometric data. | ||
| '''Channel''' | | '''Channel''' | ||
| '''Description''' | | '''Description''' | ||
| Line 112: | Line 108: | ||
| Ppm (eTh) | | Ppm (eTh) | ||
|} | |} | ||
</center> | |||
Additionally, gridded and georeferenced images of standard geophysical derived parameters are also available. These will be released for download via a BGS TellusSW data portal in the near future. Two of the standard images of the data are shown below. | Additionally, gridded and georeferenced images of standard geophysical derived parameters are also available. These will be released for download via a BGS TellusSW data portal in the near future. Two of the standard images of the data are shown below. | ||
[[Image:14014 fig6.jpg|thumb|center|500px|'''Figure 6''' Ternary radiometric image formed from the Potassium (%K), Thorium (eTh) and Uranium (eU) ground concentration estimates.]] | [[Image:14014 fig5.jpg|thumb|center|500px|'''Figure 5''' Total Magnetic Intensity (TMI), IGRF corrected to provide the final TMI anomaly data. Equal-area colour normalisation.]] | ||
[[Image:14014 fig6.jpg|thumb|center|500px|'''Figure 6''' Ternary radiometric image formed from the Potassium (%K), Thorium (eTh) and Uranium (eU) ground concentration estimates.]] | |||
[[Category:OR/14/014 TellusSW: airborne geophysical data and processing report | | [[Category:OR/14/014 TellusSW: airborne geophysical data and processing report | 04]] | ||
Latest revision as of 13:20, 22 April 2022
| Beamish D and White J. 2014. TellusSW: airborne geophysical data and processing report . British Geological Survey Internal Report, OR/14/014. |
The contractor delivered data are to be released, in simplified form, as ASCII comma-separated value (.csv) files. The data format of these files are shown in Tables 2 (Magnetic) and 3 (Radiometric), below.
| Channel | Description | Units |
| X_BNG | Easting (X) BNG (OSGB 1936) | m |
| Y_BNG | Northing (Y) BNG (OSGB 1936) | m |
| Lat | Latitude in WGS84 | m ddd.mm.ss.ss |
| Lon | Longitude in WGS84 | ddd.mm.ss.ss |
| flight | Survey flight number | |
| date | Survey flight date | yyyy/mm/dd |
| Line | Line number | |
| Igrf | International Geomagnetic Reference Field | nT |
| altimeter | Radar altimeter height from surface | m |
| processed_horizontal_gradient | Measured Horizontal Gradient (processed) | nT/m |
| levelled_mag | Total Magnetic Intensity (Levelled) | nT |
| levelled_mag_igrf_corrected | Residual Magnetic Intensity (Levelled) | nT |
| Channel | Description | Units |
| X_BNG | Easting (X) BNG (OSGB 1936) | m |
| Y_BNG | Northing (Y) BNG (OSGB 1936) | m |
| flight | Survey flight number | |
| date | Survey flight date | yyyy/mm/dd |
| Line | Line number | |
| altimeter | Radar altimeter height from surface | m |
| processed_total_count | Final corrected total count | cps |
| processed_potassium | Final corrected potassium | %K |
| processed_uranium | Final corrected uranium | ppm (eU) |
| processed_thorium | Final corrected thorium | Ppm (eTh) |
Additionally, gridded and georeferenced images of standard geophysical derived parameters are also available. These will be released for download via a BGS TellusSW data portal in the near future. Two of the standard images of the data are shown below.
