LIDAR (DSM, 1m) copyright Environment Agency (2022) - enhanced for archaeology.
Hartburn, Northumberland.
Agriculture not archaeology.
Fields showing faint diagonal "envelope marks" created by modern ploughing. Here in lidar but often seen as crop or soil marks on aerial photos.
"The 'envelope-pattern' is produced by agricultural operations which follow a spiral course, as opposed to going up-and-down the field."
An interesting reference from 1975 and of some relevance here is:
Some pitfalls in the interpretation of air photographs by D. R. Wilson pages 59-70.
In
Aerial reconnaissance for archaeology. Edited by D. R. Wilson (1975). Research Report No. 12. The Council for British Archaeology.
Archive Link
Agriculture not archaeology.
Fields showing faint diagonal "envelope marks" created by modern ploughing. Here in lidar but often seen as crop or soil marks on aerial photos.
"The 'envelope-pattern' is produced by agricultural operations which follow a spiral course, as opposed to going up-and-down the field."
An interesting reference from 1975 and of some relevance here is:
Some pitfalls in the interpretation of air photographs by D. R. Wilson pages 59-70.
In
Aerial reconnaissance for archaeology. Edited by D. R. Wilson (1975). Research Report No. 12. The Council for British Archaeology.
Archive Link
| aerial_reconnaissance_for_archaeology__pitfalls_.pdf |
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